365 G Greenland Sea, geologic setting, 38S0205 tonalite, 600590 Ga hornblende, 370763 Necker Ridge, 200678 basalt, midocean ridge, 820396 hydrothermal alteration, 370763 Norwegian Sea, geologic setting, 38S0205 crust, oceanic, Costa Rica Rift Zone, 830185 Iberian margin W, evolution, 47B0768 opaque mineralogy, 450410 see also ierrogabbro igneous rocks, 840947 hematite, 450410 gabbro, 300403, 300409, 300410, 300411, geochemistry, 370672 oxygen isotope, geochemistry, 370603, 330891, 370714, 370741, 370757, 370763, Indian Ocean S, 280772 370604, 370618 370764, 450407, 561091, 580644, 820523, intrusion, 280772 Pacific Ocean C, petrology, 330891 820525 plagioclase, 280772 Pacific Ocean N, Aleutian Ridge, 190906 alteration, 300411, 300483 Japan Trench, 561091 peridotite, phase chemistry, 370841, 370844 basalt, 300483 K/Ar age, Atlantic Ocean, 370629 Peter I Island, geology, 350356 intrusion, 300487 limestone, compressional wave velocities, petrography, 330893, 330902, 370763, alteration, low-temperature, 300411 130595 600579, 600581, 600582, 600589 anhydrite, compressional wave velocities, lithology, 190331, 300073, 300074, 310138, petrology, 330891, 370711, 370714, 370763 130595 310139, 450140, 480221, 600579 Atlantic Ocean, 370711 Atlantic Ocean hornblende, 490233 chemical composition, 330893, 330895, 39Ar/40Ar age, 370629 metabasalt, 600579 330898, 330902 K/Ar age, 370629 provenance, 280157 Danger Islands, 330891 petrography, 370763 sill, 300073 hornblende, 370763 petrology, 370711 Magdalena Bay, sulfide chemistry, 630679 hypersthene, 370763 phase chemistry, 370825 , postmagmatic texture and fabric, Manihiki Plateau, 330891 physical properties, 370395 370362, 370757 mineral chemistry, 370714 postmagmatic fabrics, 370757 major element, 370741 petrography, 330893, 330902 postmagmatic textures, 370757 chemistry, 370651 phase chemistry, 370841, 370843, 370844 Atlantic Ocean N Manihiki Plateau, petrology, 330891 allivalite, 370844 Mediterranean Sea, 110802 Mariana Trench, petrography, 600721 alteration, 370841, 370844 Paleozoic, 801109 Mariana Trough, 600579, 600614 amphibole, green, 370844 basalt, 240785, 300403, 300404 Mariana Trough E, fore arc, 600660 Atlantic Ocean, 370825 39Ar/40Ar age, 370629 Middle America Trench, 840794, 840796, basalt, aphyric, 370841 chemistry, 450457 840954 basement, 370841 gas, 450647 cataclasis, 840804 breccia, sedimentary, 370841 K/Ar age, 370629, 380758 metamorphism, 840804 brecciation, 370843 midocean ridge, 820400, 820401 types, 840805 chrome spinel, 370844 petrology, 411103 mineral composition, Mariana Trough, 600579 chromite, 370841, 370843 basalt contact, 300409 mineralogy, 300410, 370714 clay minerals, 370844 basement, petrology, 370700 alteration, 600591 cumulate, 370844 bitumen, 450647 amphiboles, 600590 cumulate, feldspathic, 370844 California, Gulf of andesite, 600589 cumulate, orthopyroxene mafic, 370844 basalt, 650530 anorthite, 600589 cumulate, plagioclase-pyroxene, 370844 Guaymas Basin, 650616 biotite, 600587, 600588 eucrite, 370844 chalk, calcite, paragenesis, 260597 breccia, 600591 faulting, 370844 chemical composition, 330893, 330902 calc-alkalic differentiation, 600589 feldspar, 370841 major element, 330895 Cerro Prieto, 600591 fine exsolution lamellae, 370841 mineral analysis, 330898 chlorite, 600591 gabbro, olivine, 370841 minor element, 330895 crystallization, fractional, 600589, granulation, 370844 chemistry, 300404, 600583 600590 magnetite, 370844 Agrigan, 600585 epidote, 600590, 600591 melting, 370844 Mid-Atlantic Ridge, 600584 greenschist facies, 600590 micaceous material, low-K, 370844 Mid-Indian Ridge, 600584 hydrothermal alteration, olivine, 370841, 370844 peninsular Ranges, 600585 high-temperature, 600591 olivine, magnesian, 370844 Skaergaard intrusion, 600584 hypersthene, 600588 paragenetic sequence, 370843 Soufriere Volcano, 600585 Iceland comparison, 600591 peridotite, 370844 Stillwater Complex, 600584 ilmenite, 600587 peridotite, serpentinized, 370841 coarse-grained rocks, 370763 island arcs, proximity, 600589 plagioclase, 370841 hornblende, 370763 Lesser Antilles, 600587, 600590 plutonic rock, 370843 hypersthene, 370763, 370764 magma, 600591 plutonic series, 370841 compressional wave velocities, 130595 magnetite, 300410, 600587, 600590 primary materials, precipitation, 370844 evaporites, 130596 Mariana Islands, 600590 primary textures, 370844 limestone, 130596 Mariana Trough, 600579, 600591 pyroxene, 370841 schist, 130595 Mid-Atlantic Ridge, 600591 serpentine, 370844 crust, oceanic, 830461 mineral, opaque, 600587 serpentinization, 370843 density, 830459, 830465 norite, 600588 silicate, 370841 crystallization, fractional, melting, noritic composition, 600587 spinel, 370841 partial, 370539, 370542, 370546 olivine, iron-rich, 600589 sulfide mineral, 370841 Cyprus, evaporites, 42B1186 parental liquid, 600589 tholeiitic affinity, 370844 Danger Islands, petrology, 330891 peninsular Ranges, 600589 zoning, 370841 diabase, 411103 plagioclase, 300410, 300411, 600587 Philippine Sea, Mariana Trough, 600431 trace elements, 240785 pluton, 600590 physical properties, 370395 exotic pebbles, plutonic rock, 561091 prehnite, 600591 Atlantic Ocean, 370395 garnet, metasomatic, paragenesis, 260597 pyroxene, 300410 plagioclase, 300410, 300411 geochemistry, 370700 pyroxene, Fe-rich, 600588 zoning, 300411 igneous rocks, 370741, 370747 Salton Sea, 600591 plutonic rock, petrochemistry, 370684 glaciation, detritus, 360858 SiO2, 600589 polymict breccia, clast, 600647 Gondwana, dispersal, 260949 sodic composition, 600587 postmagmatic fabrics, Atlantic Ocean, 370757 Gorringe Ridge, compressional wave spinel, 600590 postmagmatic texture and fabric, 370751 velocities titanomagnetite, 300410 recrystallization, 370757, 370762 366 Gabbro

pyroxene, 300410, 370764 amphiboles, 600587 igneous rocks, 700396 mineralogy, 370764 clinopyroxene, 600587 mineralogy, 700401 recrystallization, 370757, 370762 gabbro, 600587 opaque petrology, 700394, 700395, 700396 Red Sea, geology, 230815, 230817 hercynite, 600587 silicate, 700391, 700394 regional, tectonic setting, 600613 hornblende, aluminous magnesic, 600587 basalt, sparsely phyric, ferrobasalt, Rio Grande Rise N, regional setting, 250690 Mt. Stuart Batholith, 600587 tholeiitic, 540621 schist, compressional wave velocities, olivine, 600587 Birch systematics, 540855 130595 plagioclase, 600587 California, Gulf of, basalt, 650534 seismic velocity, velocity-density, 370389 spinel, 600587 Costa Rica Rift sill, 300403 subsolidus reactions, 600587 alkali, 690492 South Fiji Basin, geology, 300625 petrography, 600582 basalt, 700437 sulfide, 370875 amphiboles, 600583 Curie temperature, 540867 chemistry, 630680 chlorite, 600583 East Pacific Rise, 540395 globules, 370875 crystallization, 600583 sediment chemistry, 540400, 540401, thermal conductivity, 370353, 370354 epidote, 600583 540402, 540403, 540404, 540405 tholeiite, major element, 590707 hydrothermal alteration, 600583 ferrobasalt titanomagnetite, 300410 metamorphism, retrograde, 600583 East Pacific Rise, 540836, 540837 trace elements, geochemistry, 370573, plagioclase, 600583 genesis, 920449 370574, 370575, 370741 spinel, 600583 MAR, 540846 Tuscany, 131063 subsolidus formation conditions, 600583 ferrobasalt, oceanic, crystal uranium, distribution, 370552 temperature, 600583 fractionation, 540835 Vema Fracture Zone, 390547 gabbro-diabase, 370711, 370741, 370757, 370763 glass, tholeiite, 540706 volcanic rock, 580644 chemical composition, 411104 hydrothermal activity, 540406 volcanism, Madagascar Plateau, 250539 crystallization, 411103 biogenic sediments, 540407 Wake Guyots, 200678 hornblende, 370763 carbonate, 540406 gabbro, amphibole hydrothermal alteration, 370763 cooling, lithospheric, 540408 chemistry, 600583 hypersthene, 370763, 370764 Fe-Mn oxide, 540407 mineralogy, 600588 petrology, 411103 heat flow, variable, 540407 hornblende, 600588 gabbro-eucrite-peridotite, geochemistry, nontronite, 540407 ilmenite, 600588 igneous rocks, 370735 oxyhydroxide, 540407 Lesser Antilles, 600588 gabbroid, Peter I Island, geology, 350352, shrinking agent, 540408 mineral, evolved, 600588 350355 subsidence, 540408 plagioclase, 600588 Gabon, 020422, 030464, 150505, 360537, venting, 540408 petrography, 600581, 600582 38S0709, 38SO715, 38S0845, 400034, hydrothermal deposits, origin, 540416, amphiboles, 600582 411091, 750469, 750477 540418 cumulus, 600582 Cocoa Beach, 400746 ilmenite, 540872 feldspar, 600582 continental margin, 750478 iron, basalt, 540861 heteradcumulate, 600582 diagenesis, 020422 iron sulfide, 540872 ilmenite, 600582 Gabon-Congo Salt Basin, diagenesis, 020422 magma, mixing, 540842, 540843 magnetite, 600582 gadolinium magnetic ages, 540865 mesocumulate, 600582 Bermuda Rise, rare earth elements, 511115, magnetism, 540865 plagioclase, 600582 511116 major element, argillaceous sediments, zoning, 600582 3He/4He ratio, 870863 580721 polymict breccia, clast, 600647 Indian Ocean SE, sediments, 260548 metalliferous sediments, 340575 gabbro, chloritized trace elements, geochemistry, 370573 Mid-Atlantic Ridge, basalt, 540596 glaciation, detritus, 360860 Gaferut Island, 060013 mineralogies, 540855 lithology, 360145 Galapagos Fracture Zone, 160019, 160053, natural remanent magnetization, 540865 gabbro, mylonitized, basalt, midocean ridge, 160151, 160473, 160622, 160899, 160904, Pacific Ocean C, equatorial sediment 820397, 820404, 820409 160911, 540086, 540087, 540140, 540233, thickness, 850825 gabbro, noritic 540234, 540236, 540319, 540327, 540395, Pacific Ocean E ore, deposit, 540804 540396, 540411, 540593, 540594, 540596, modified sediments, 540329, 540331, polymict breccia, clast, 600649 540598, 540621, 540673, 540685, 540687, 540332, 540333, 540334, 540335 gabbro, olivine 540688, 540690, 540705, 540706, 540708, sediments, 540319 chemistry, 600583 540715, 540716, 540765, 540835, 540842, Pacific Ocean EC, geologic history, 090912 crystallization, fractional, melting, 540844, 540845, 540848, 600705, 600780, paleomagnetic measurements, 540865 partial, 370542 641137, 641143, 641159, 650530, 650534, Paleomagnetism, 540865 gabbro, phase chemistry, 370841 690453, 690456, 690504, 690633, 690694, Panama Basin, tectonics and sedimentation, geochemistry, 370674, 370747 690760, 690775, 690855, 700183, 700197, 160899 mafic rocks, metals, 370578 700228, 700375, 700411, 700417, 700420, petrology, basalt, 540789 mineralogy, 600586, 600587 700421, 700439, 700457, 750933, 850831, rock magnetism, 540865 TiO2, 600587 890488, 920218, 920220 Seabeam bathymetric surveys, Clipperton peridotite, phase chemistry, 370841 basalt Fracture Zone, 850831 peridotite-gabbro-basalt, mineral analyses, alteration, 540415 sediment, 700333 370847 chemistry, 540682, 540683, 540684 hydrothermal mounds, 700285 petrography, 600581, 600582 Costa Rica Rift, 700437 seismic modeling, paleoceanography, ultramafic rocks, 370578 distribution, 540837 conclusions, S boundary, 850967 gabbro, pyroxene magma chamber, axial, 540833 seismic reflection, seismic section Atlantic Ocean, mineralogy, 370763 microcracks, 540856 characteristics, 850950 igneous rocks, geochemistry, 370674 physical properties, 700423 seismic velocity, 540860 mineralogy, Atlantic Ocean, 370763 sulfur, 700419, 700420 spreading rate, 830381 tholeiite sulfur isotope, 700419 tectonics and sedimentation, 160899 geochemistry, 590681 velocity, 540853 tholeiite petrology, 590681 velocity-density, 540853 ferrobasalt, 600705 gabbro, spinel-bearing basalt, altered, 700391, 700401 magmatism, 540715 basalt, 540755 basalt, 700398 titanomagnetite, 540870 mineralogy, 600587 geochemistry, 540671, 700391 velocity-density, 540853 Galapagos Spreading Center 367

Galapagos Hydrothermal Mounds, 540308, origin, 540411 islands, 090912 540325, 540403, 540405, 540407, 540410, origins, 700367 magma, parental, basalt, 670581 540413, 600226, 600781, 640695, 640708, Pacific Ocean C, geochemistry, 850781 mineralogy, basalt, 540765 640712, 690451, 700011, 700277, 700286, petrology, 700197, 700199, 700200, 700201, ore, deposit, 540802, 540803, 540804 700315, 700317, 700318, 700319, 700325, 700203, 700204, 700205, 700206, 700207, Pacific Ocean E, ferrobasalt, 540845, 540846 700328, 700329, 700330, 700333, 700355, 700208, 770204 Pacific Ocean EC, geologic history, 090912 700357, 700361, 700391, 700459, 700467, physical properties, 700355, 700356, 700357 paleotemperature, cold-water diatoms, 850942 850781, 850793, 850795, 920239, 920241, pore water chemistry, 700343 petrology 920612 porosity, 700356 hydrothermal field, 540744 ash, 690451 rare earth elements, 700318 tholeiite, Fe-rich, 540746 ash, rhyolitic, 690451 sediment, 700315, 700333 pumice, source, 850821 basalt, 690453, 690456 chemical composition, 700269 ridges, 430882, 460389 rhyolite, 690451, 690452, 690453 isotopes, elemental and stable, 700315 seamounts, ridges, volcanic origin, 330784 basalt sediment chemistry, 700269 Suiko Seamount, trace elements, 550567 ash, 690451 sediments, 850791 triple junction, 690747 geochemistry, 700391 Al, 850791 Volcanic rocks, petrography, 200691 mineralogy, 700391 basalt, 850791 volcanism, 160615, 160899 basalt, altered calcium, 850791 Galapagos Ridge. See Colon Ridge geochemistry, 700391 detrital phases admixture, 850791 Galapagos Rift. See Galapagos Fracture Zone mineralogy, 700391 hydrothermal fluid, 850791 Galapagos Rise, 160633, 680394, 850790, basement, 690451 iron, 850791 920255, 920302 basement, basalt manganese, 850791 basalt, geochemistry, 920449 chemistry, 700375 nontronite, 850791 Bauer Basin, structure, 340157, 340159 petrography, 700375 silica, 850791 clay minerals, Pacific Ocean, 680394 Birch systematics, 540857 smectite, Fe, 850791 crest, 540236 calcite, synthetic, dissolution rate, 700369 suboxic conditions, 850791 crust, subsidence, 920302 carbonate trace elements, 850791 crust, oceanic, clay minerals, 540310 basalt, 540755, 540757 Sr isotope, 700325 evolution, 340803, 340804 crust, 540377 metalliferous sediments, 700325 Galapagos Fracture Zone, 920449 interstitial water, 540391 stable isotopes, 700315 lithology, 340123 petrology, 540327 strontium isotope, sediment, 700329 magnetic properties, inclination, 920528 sediment classification, 540323 sulfur, 700333 Mendoza Rise, basement, 920615 chemistry, 540408, 540411 sulfur isotope, 700333 metalliferous sediments, 340575 chronology, 700303 uranium, 700303 Mid-Atlantic Ridge, temperature, 460389 clay, green, 700211 Galapagos Islands, 090912, 160054, 160529, northern flank, 680392 geochemistry, 700211 160622, 160663, 160830, 160899, 160912, Pacific Ocean E, basalt, 920435 major element, 700218 200691, 260571, 320952, 330784, 430734, sedimentology, Nazca Plate, 340779 mineralogy, 700211 540007, 540110, 540112, 540113, 540249, tectonic setting, spreading, 920599 trace elements, 700218 540251, 540315, 540317, 540419, 540537, thermal conductivity, heat flow, 460389 convection, interstitial water, 920612 540545, 540575, 540690, 540691, 540737, Galapagos Spreading Center, 401046, 540005, crust, oceanic, 700459 540744, 540747, 540761, 540765, 540862, 540008, 540093, 540101, 540240, 540262, density, 700358 540875, 600005, 600890, 620646, 621057, 540267, 540268, 540307, 540313, 540314, dissolution, hydrothermal, 700361 650353, 650697, 670581, 670582, 670784, 540315, 540319, 540329, 540339, 540371, dissolution rate, 700369 680472, 690007, 690355, 690366, 690812, 540385, 540391, 540406, 540410, 540427, ooze, calcareous, 700369 700168, 700216, 700218, 700220, 700225, 540487, 540497, 540501, 540509, 540514, East Pacific Rise 700229, 700269, 700304, 700369, 700370, 540515, 540517, 540535, 540545, 540593, Pb isotope, 920391 700371, 700372, 700394, 700409, 700473, 540596, 540741, 540752, 540753, 540775, sediments, 850793 700479, 850821, 850822, 850942, 850943 540776, 540778, 540812, 540825, 540858, Sr isotope, 920391 alteration, products, 810736 540861, 640662, 641147, 650602, 660703, geochemistry, 700225 basalt 670568, 680397, 680400, 680410, 690007, geochemistry, partition, 700297 magma chamber, axial, 540833 690245, 690246, 690256, 690343, 690355, glass, 690451 petrology, 540753 690375, 690530, 690647, 690702, 690761, heat flow, 700361 basalt, tholeiitic, 670581 690791, 690812, 690818, 700050, 700080, heat flow, surface, 700358 Bauer Basin, sediment, 850794 700118, 700137, 700197, 700277, 700303, hydraulic properties, 700359, 700360 chlorite, 540317 700333, 700376, 700383, 700385, 700391, hydrothermal circulation, 700355, 700361 Colon Ridge, 680246 700397, 700400, 700410, 700416, 700419, hydrothermal deposits interstitial water, 680472, 680473 700423, 700455, 700458, 700476, 751193, geochemistry, 700235 crust, oceanic, 700459 820450, 820511, 850500, 910219, 910483, mineralogy, 700235 Galapagos Fracture Zone, 540683 910484, 910486, 910487, 910488, 910491, hydrothermal sediment, 700277 East Pacific Rise, 540403, 540405 920473, 920585, 920586 hydrothermal system, 700361 hydrothermal activity, 540406 Al, 540378 isotope stratigraphy, 700303 Galapagos Spreading Center, 540746 alteration, 700384 halo, 700377 lead isotope, 700325, 700328 interstitial water, 540391, 540392 mineralogy, 540775 metalliferous sediments, 700325 geochemistry Ba, 540378 lithostratigraphy, 700183, 700185, 700187, basalt, 540765 700189, 700191, 700192, 700193, 700194, Guaymas Basin, 640708, 640712 basal sediments, origin, 540381, 540382 700783 hydrothermal field, 640695 basalt, 540725, 540737, 540751, 540773, major element, 700277 manganese, 810715 700383 metalliferous sediments nontronite, 810715 alteration, 540773 elements, 700315 Rockall Plateau, 810736 Atlantic Ocean N, 540725 stable isotopes, 700315 hot spot, Galapagos Fracture Zone, 540846 basalt, aphanitic, 540738 mineralogy, 700225 hydrothermal deposits, 540325 chemical diversities, 540773 deposits, 850795 origin, 540415, 540417, 540419 chemistry, 920473 iron-bearing phase, 850782 hydrothermal field, thin flows, 540812 crust, oceanic, 540773 minor element, 700277 interstitial water, geochemistry, East Pacific Rise, 540773 nontronite, 700317 hydrothermal alteration, 640693 FAMOUS area, 540725 368 Galapagos Spreading Center

basalt (Cont.) crust, noncarbonate oxide, 540322 salinity, 540388 Fe-Mn oxide, 540737 crust, oceanic Siqueiros Fracture Zone, 540388 ferrobasalt, 540737, 540738 clay minerals, 540312, 540313 iron, 540378 geochemistry, 540755, 540756, 540768, geothermal processes, 540395 magma, parental, basalt, 670582 650579, 650591, 700409, 700410, 700411, young, 700459, 700461, 700464, 700467, magmatism, hydrothermal activity, 540322 700412, 700415, 700417 700468, 700469, 700471, 700472, 700473, major element, geochemistry, 930693 heat flow, 540773 700474, 700475 manganese, 540377 high heat flow, 540737 crystallinity, 540377 mobilization, 540379 hydrothermal field, 540737, 540773 descriptive geochemistry, 540322 manganese-iron, 540377 hygromagmatophile (HYG) elements, 540725 dissolution rate, 700369 Mendoza Rise, East Pacific Rise, 920595 La/Ta ratio, 540725 downward percolating seawater, heated, mineral, secondary, 540807, 700377, 700381 magma, 540322 540322 mineralogy, 540339, 540855 magnetic properties, 700437, 700438, East Pacific Rise, initiation, 920586 minor element 700439 ferrobasalt, 820404 East Pacific Rise, 650602 magnetism, 700429, 700430, 700432, fresh rock petrography, 700375 Tamayo Fracture Zone, 650602 700433, 700434 Galapagos Fracture Zone, 540727, 540853, mixed isotope and radio chemical model, major element, 540738 540865 uranium, 700308 mantle, 540725 Galapagos Islands, 540746 Mn oxide, 540378 mantle, upper, 700409 geochemistry, 540339 molybdenum, 540322 Middle America Trench, 660703 geothermal measurements, 700445, 700452, Nazca Plate, sediments, 540379 mineral chemistry, 540738 700754 Neogene planktonic foraminifers, 540487 mineralogy, 540755, 540768, 540773 geothermal setting, 700445 nickel, 540377 Nb/Ta ratio, 540725 heat flow, 700446 niobium, 540322 oceanic island, 540725 heat transfer in sediment boundary layer, nonsedimentary origin, 540322 OCP Ridge, 540773 700452 nontronite, 540385 Paleomagnetism, 700429 temperature, 700446 layer, 540378 petrochemistry, 670580, 670581, 670582 thermal conductivity, 700450 origin, 540377 petrology, 540671, 540737, 540751 heat flow, 540377, 830379 oxide, hydrothermal, 540322 physical properties, 700423, 700425, hydrothermal deposits, 540339, 540341, Pacific Ocean E 700426 700235 basalt floor, 660707 REE, 540738 altered siliceous organisms, 540341 sediments, 540319 rock magnetism, 700429 argillaceous phase, 540341 Paleomagnetism, 540865 seamount, 540725 basalt, 540339 petrology, 540379, 540380, 540381 seawater/rock interactions, 540773 bottom currents, 540341 ferrobasalt, 540744 sediment mound formation, 540737 calcareous organisms, 540341 plagioclase, 540378 Siqueiros Fracture Zone, 540773 calcite, 540341 planktonic foraminiferal biostratigraphy, source, 540725 chemical composition, 700241, 700242, 540509 tholeiite, 540725, 540738 700244, 700247, 700248, 700249, 700252 planktonic foraminifers trace elements, 540738 coccoliths, 540341 Neogene, 540487 weathering, 540773 diapirlike emplacements, 540377 Pliocene and Quaternary, 540509 Y/Tb ratio, 540725 discoasters, 540341 Pliocene and Quaternary deposits, 540509 Zr/Hf ratio, 540725 foraminifers, 540341 Pliocene-Pleistocene radiolarians, 540425 basalt, altered geochemistry, 540339 Pliocene-Quaternary sediments, 540307 bulk rock geochemistry, 700382 glass, silicic, 540343 pneumatophile elements, 540322 weathering, 540773, 540779 glass, volcanic, 540341 pore water, 700343 basalt, Fe-Ti, 820424, 820431 granules, sharp-edged, 540341 , 540378 basalt floor, 660707 hydrothermal system, 540339 radiolarians, Pliocene-Pleistocene, 540425 birnessite, 540377 hydroxide, 540343 rock magnetism, 540865 bulk-rock compositions, 700375, 700377 Lithologic description, 540339, 540340 salt, 540378 CaCO3, 540378 mineralogy, 540339, 700235, 700236, sand, basaltic, origin, 460337 calcite, 540322 700238, 700239, 700241, 700244, 700245, seamounts, ridges, volcanic origin, 330784 calcium, 540322 700247, 700248, 700250, 700252 sediment, 700333 California, Gulf of, Guaymas Basin, 650616 mounds, heat flow, 540339 sediment classification cations ooze, foraminiferal nannofossil, 540341 amorphous ferromanganese oxides, 540323 anomalous distribution, 540322 oxyhydroxide, 540341 birnessite, 540323 diadochy, 540322 quartz, 540341 clay, siliceous, 540322 clay, 540322 sediment thickness, 540339 Co, 540322 clay, green, 700211 sedimentology, 540339 copper, 540322 Al, 700213, 700216 sponge spicules, 540341 hydrothermal sedimentation, 540323 Fe-Mn oxide, 700213 zonation, 540341 iron, 540322 hydrothermal mounds, 700211 hydrothermal origin, 540322 manganese, 540322 magnesium, 700213 hydrothermal system, seawater, formation, manganite, 540323 mineralogy, 700214, 700216 540377 nickel, 540322 nontronite, ferroan, 700211, 700213 hygromagmaphile elements, 540725 noncarbonate material, hydrothermal sedimentology, 700213 hygromagmatophile (HYG) elements, 540727 origin, 540323 smectite, 700211, 700212 interstitial water Pacific Ocean, 540323 clay minerals, 540307, 540313 accumulation rate, 540388 silica-poor, Fe-poor, Mn-rich ooze, foraminiferal nannofossil, 540313 alkalinity, 540388 sedimentation, 540323 ooze, siliceous, 540313 alteration, 540388 SiO2, 540322 Co, 540322, 540377 biogenic sediment reactions, 540387 smectite, 540323 comparisons, other volcanic provinces, Ca2+, 540388 todorokite, 540323 540825 diagenesis, 540387, 540388 transition elements, 540323 convection, 540377 interstitial water chemistry, 540387 uranium, 540322 copper, 540377 magnesium, 540388 zinc, 540322 crust, 540377 ooze, biogenic, 540388 sediment composition, 540377 crust, ferromanganese, 540377 pore water, 540391 sediment source, 540377 Gardar Ridge 369

sedimentology, 540339 structure, 47B0654 Bengal Geosyncline, 220406 silica, 540377 tectonics, 47B0663, 47B0671 geological history, 220407 silicate, hydrothermal, 540322 acoustic stratigraphy, 47B0663, 47B0665, Ninetyeast Ridge, 220406 Siqueiros Fracture Zone, hygromagmatophile 47B0666 stratigraphic-seismic section (HYG) elements, 540725 Atlantic continental margin, 47B0667 correlations, 220403, 220406, 220407 smectite, authigenic, 540315 Atlantic Ocean, 47B0667, 47B0674 tectonics and sedimentation, 220408, smectite, K, Fe, 540308 compression, 47B0675 220410 Sr/calcium ratio, deviation, 540322 Cretaceous, 47B0666, 47B0667, 47B0669, turbidity current, 220406 strontium, 540322 47B0671 unconformity, 220403 CaO, 540322 earliest known sediments, 47B0663 Indian Ocean NE TiO2, 540322 first tensional phases, 47B0671 Cretaceous, 220723, 220771 todorokite, 540377 Iberian Peninsula NW, 47B0663 history, 220403 trace elements rifting, 47B0663 sediment history, 220771, 220772 East Pacific Rise, 650602 tensional movements, 47B0674 Indian Ocean S, geologic history, 260910, ferrobasalt, 920440 Tertiary, 47B0669, 47B0671 260919, 260940 geochemistry, 930693 Galician Basin, Atlantic Ocean N, Paleozoic, lithology, 220199, 220276 Tamayo Fracture Zone, 650602 801108 Norwegian Sea, basalt, 38S0242 velocity, density, 540851, 540853 Galilee, 42B1204 regional summary, 220816 weathering, 540773 Gallipoli porphyry, Ross Sea W, 280772 Ninetyeast Ridge, 220825 yttrium, 540322 gallium sediment, 220825 zinc, 540322, 540377 analyses, 920433 turbidites, 220818 zirconium, 540322 Assemblage IA( + ), 710394 unconformity, 220818 galena Assemblage IIA( + ), 710395 Wharton Basin, 220822 Costa Rica Rift, stockwork-like zone, 830277 Assemblage IIIA( + ), 710395 sand, mineralogy, 220711 Costa Rica Rift Zone B, trace elements, 920491 sedimentary structure, 220739 basalt, 830233 basalt, 240785 chalk, nannofossil, 220739 stockwork-like zone, 830266, 830270, alkali metal, 810757, 810761 folding, 220739 830273, 830274, 830277 chemical variation, 340303, 340305, 340306 lamination, 220739 crust, oceanic, Costa Rica Rift Zone, 830185 petrology, 220459 Miocene section, 220739 Red Sea, uranium, 230943 basalt, altered sand, 220739 sulfur, distribution, 42B0625 geochemistry, 580807 silt, 220739 thorium, 230943 major element, 580875 seismic profiles, 220365 Galicia, 47B0671, 481042, 801108 trace elements, 580875 see also Indian Ocean NE arc, 801108 Cretaceous/Tertiary boundary, mineralogy, Ganges River, 220411, 220489, 220492, 220711, Atlantic Ocean N, Paleozoic, 801108 620851 220723, 220742, 220825 Biscay, Bay of N, continental margin, 481037 diabase, trace elements, 240785 delta, 220406, 220825, 260007, 260910, continental margin, 47B0633, 47B0654 Falkland Plateau, basement, 360896 260940 continent and continental shelf geology, geochemistry, 620851 Indian Ocean C, noncarbonate sediment, 47B0633, 47B0635, 47B0636, 47B0654 chemistry, 340220 220492 stratigraphy, 47B0639, 47B0640, 47B0641, trace elements, 220459 Indian Ocean NE, Cretaceous, 220723 47B0646, 47B0647 Hess Rise lithology, 220021 structural evolution, 47B0648, 47B0649, post-Jurassic sedimentation, 620820, gangue, Costa Rica Rift Zone, stockwork-like 47B0651, 47B0654, 481042 620821 zone, 830263 Galicia Bank, 120079, 120920, 121174, 121177, rocks, 620864 Gansbaai, 400967 47B0005, 47B0026, 47B0095, 47B0636, Hess Rise N continental shelf, onshore geology, 400967 481045, 801108, 801110, 801111, 810235 post-Jurassic, 620806, 620807 Gardar Drift. See Gardar Ridge acoustic reflectors, 47B0080 sedimentary sequences, 620765 Gardar Ridge, 120314, 120326, 120361, 120373, Atlantic Ocean N Indian Ocean SE, sediments, 260542, 260547 120449, 120911, 121163, 121177, 121186, paleogeography, 121174, 121177 Indian Ocean W, basalt, 250548 481099, 490007, 490861, 810035, 810692, Paleozoic, 801110 Li, trace elements, 920491 810695, 941075, 941222 carbonate, 47B0477 Mellish Seamount, post-Jurassic acoustic basement, 941222 carbon isotope, 47B0477 sedimentation, 620834, 620835 Atlantic Ocean, margin, 481099 oxygen isotope, 47B0477 Pacific Ocean NW, geochemical history, Atlantic Ocean N, paleogeography, 121177 stable isotopes, 47B0477 620786, 620787 bedding, 941076 Cenozoic, sedimentary evolution, 47B0050 Pacific Ocean SE, basalt, 340220 bottom current, 941107 clay, 47B0440 sediment chemistry, trace elements, 350451 bottom water, circulation, 941220, 941240 continental block, 47B0757 tetrapyrrole, geochemistry, 630809 chalk, nannofossil, sediments, 941095 continental fragmentation, 47B0028 trace elements current effects, 941077 continental margin distribution, 42A0504 drift, sediment, 941217 stratigraphy, 47B0633 strontium, 920495 Atlantic Ocean N, 490861 structural evolution, 481045 yttrium, 920495 erosion, sediments, 941107 Cretaceous lithostratigraphy, 47B0683 see also Ga ice rafting, sediments, 941107 eroded surfaces, 47B0770 Galveston, paleoceanography, 780471 Iceland Basin, 121186 evolution, structural, 47B0654 Galway Bay, 121177 Labrador Sea S, deep current-controlled fracture, 47B0649 Atlantic Ocean N, paleogeography, 121177 sediment body, 121163 geology, 47B0633 Gambia, 020422, 140968 lithology, 120326 Iberian margin W, evolution, 47B0761, Gambier Islands, 330922 sandstone, 120372 47B0764, 47B0766, 47B0768, 47B0770 Gamma Glacial Stage, 42B0124 magnetic fabric, sediments, 941083 Iberian Peninsula, 47B0026 Black Sea, sediment, 42B0489 Miocene sediments, 941095, 941096 lithostratigraphy, 47B0683 lithology, 42B0124, 42B0125 morphology, 941221 Magnetic Anomaly J, 47B0766 Ganges Fan, 220365, 220771, 260007, 260910, Neogene sediments, 941083 magnetic data, 47B0636 260940, 600926 Norwegian Sea Overflow Water, 941220 morphology, 47B0766 depositional packets, comparison, 960426 pelagic sediments, 941233 physiography, 47B0633 geophysical measurements, 220366, 220367 Pliocene sediment, 941095, 941096 Portugal, 47B0026 Greenland Sea, basalt, 38S0242 quartz, sediments, 941103 structural history, 47B0633 history, 220403, 220411 Quaternary sediments, 941083, 941097 370 Garden Cove Formation

sand, quartzose, 941103 clay, siliceous, mineral, heavy, 271005 250437 sediment, 941075 claystone, siliceous, mineral, heavy, 271005 turbidites sediment wave continental margin sediments, petrology, bedding, graded, 250444 field, 941218, 941224, 941231, 941233, 280736 sand, 250444 941236, 941238 detrital to biogenic sediment trends, turbidites, volcaniclastic, 430407 migration, 941238 mineral, heavy, 291074 volcaniclastics, 550504 patterns, 941077 dispersal patterns, 350292, 350295 Voring Plateau, mineral composition, 38SOO31 sedimentation, 941217 Falkland Plateau, basement, 360893, 360894, Walvis Ridge, basalt, 740752 sedimentation rate, 941233, 941236, 941240 360896, 360902, 360904, 360905, 360906, Wharton Basin, sand, 220711 sediments, 941075, 941076, 941217, 941222, 360907, 360910, 360911 garnet, aluminous 941232, 941233 Falkland Plateau E, sedimentation, 360877, Caribbean Sea, sediments, 150935 accumulation, 941107 360880 chalk, calcite, paragenesis, 260597 climatic change, 941105 flysch, 500752 garnet, metasomatic, paragenesis, 260597 current effects, 941077 Ganges Fan, sand, 220711 garnet, authigenic erosion, 941107 geochemistry, 060831, 060832, 060833, 600624 Caribbean Sea, sediments, 150934 glaciation, 941105 mineralogy, special features, 060831 chalk, calcite, 260593 ice rafting, 941107 gneiss, mineral composition, 360904 Indian Ocean S, geologic history, 260915 lithology, 941219, 941232 Greenland Sea, other mineral components, garnet, metasomatic magnetic fabric, 941083 38S0237 absence, 370893 magnetic grain alignment, 941084 Guatemala, trench, 670515, 670519, 670522 abundant water, 260597 magnetic susceptibility, 941085, 941087 Indian Ocean, chalk, calcite, 260593 albite-epidote-hornfels, 260598 magnetostratigraphy, 940642 Indian Ocean NW, grain size, 250417, andradite, 260593 mineralogy, 941095 250418, 250422, 250423 burrow mottling, 260593 provenance, 941103 Indian Ocean SE, sediments, 260542 calcite, recrystallized, 260593 sand, quartzose, 941103 Indian Ocean W calcium carbonate, 260593 seismic reflectors, 941219 mineralogy, 260573 chalk, calcite, 260593 stratigraphy, 941075 regional aspects, 250754, 250755 recrystallization, 260598 wave patterns, 941077 Japan Trench, silt, 561005 chalk, micarb, 260593 seismic reflectors, 941222 lithology, 150022, 150368, 190417, 220196, chalk, nannofossil, 260593 topology, 941222 220326, 250071, 250072, 250184, 250265, chemistry, 260594 turbidity current, 941239 260080, 280370, 290275, 38SOO16, 400043, clay minerals, detrital, 260593 Garden Cove Formation, 290021, 290026, 400047, 400048, 400049, 400205, 42B0294, colloidal gels, 260598 291031, 291032 430205, 440032, 480179 diagenetic conditions, 260598 Campbell Island, 291147 biotite, 290041 greenschist facies, 260598 lithology, 290023 turbidites, 120260 magma, source, 260597 Garet Uedda Formation, 131248, 131250 Mediterranean Sea, lithostratigraphy, 131033 metamorphism, 260598 Gargasian/Bedoulian boundary, 480138 mineral and chemical composition, mineral micarb, Indian Ocean, 260593 garnet, 260593, 260598 composition, 38SOO31 nucleation, metastable, 260598 Atlantic Ocean, metasomatic, 370893 mineral, chemical composition, sediments physical parameters, 260593 basalt mineral composition, 38SOO31 intergrowths, 260593 geochemistry, 550603, 550604, 550605, mineral distribution, 38S0032 opaque inclusions, well-crystallized, 590775 mineral composition, gneiss, 360905 260593 minor element, 490667 mineral, heavy peridotite, hornblende, 260594 basalt, alkali, genesis, 920449 Arabian Sea, 230498 spinel, 260594 basalt, altered Argo Plain, 270524 present occurrence, authigenic, 260598 major element, 580877, 580889 characteristics, 350292, 350295 pressure, 260597 trace elements, 580877, 580889 Cuvier Plain, 270524 pyrite, framboidal, 260593 basement Gascoyne Plain, 270524 rodingite, 260593 Alboran Basin W, 130760 Indian Ocean, 270526 silica, excess, 260597 chemistry, 600622 Indian Ocean S, 270523, 270524, 270526 skarn, 260593, 260598 mineral composition, 360905 Timor Trough, 270524 temperature, 260597 Black Sea mineralogy, 350309, 960578 zeolitic facies, 260598 mineral, terrigenous, 42B0654 Norwegian Sea, other mineral components, garnet, residual sediments, 42B0378, 42B0385, 42B0389 38S0237 basalt, 820417 boninite, geothermometry, 600697 ooze, calcareous, ooze, nannofossil, 271008 midocean ridge, 820416 breccia, Alboran Basin W, 130760 Pacific Ocean NE, 151086 garnet, synthetic California, Gulf of, gulf mouth, 650363, palynological residue, organic matter, chalk, calcite, 260593 650407, 650415 maturation index, 640747 paragenesis, 260597 Caribbean Sea, sediments, 150940 pebbles, petrography, 801040 garnet, metasomatic, 260593 Cenozoic sediments, mineral composition, petrology, sand, 960499 paragenesis, 260597 42B0415, 42B0418, 42B0422 Rockall Plateau, Paleogene sediments, Garrett Fracture Zone, 920026, 920217, chalk, calcite, 260593, 260594, 260598 810653, 810655 920218, 920302, 920599 andradite, 260594 Ross Sea, basement, 280866 crust, subsidence, 920302 calcium, 260594 sand tectonic setting, 920599 chemistry, 260594 mineral, heavy, 180878, 180880 Garrett Ridge, 630914 formation, 260597 petrology, 280746 gas grossular, 260594 texture, 960578 alteration, thermal, 660544 hydrogarnet, anhydrous, 260594 trench slope, 660432 yield, 660544 hydrogrossular, 260594 sandstone, petrology, 660432 Atlantic continental margin low specific gravity, 260595 sedimentation, 42B0607 C,/C2 ratio, 960782 metasomatic, 260593 silt, mineral, heavy, 561005 interstitial water chemistry, 101011, nucleation, 260598 South Fiji Basin, history, 300629 111009 paragenesis, 260595, 260597 strontium, 42B0607 mineralogy, 100783 physical parameters, 260593 Suiko Seamount, trace elements, 550563, Atlantic Ocean NW silicon, 260594 550568 carbonate, 110791 clay minerals, 38S0016 terrigenous minerals, mineralogy, 250436, regional aspects, 110966 Gas 371

Atlantic Ocean NW (Cont.) C15 + , terrigenous organic matter, 660543 Blake Ridge, 760357, 760359, 760363 sedimentation, 440978 California canned core samples, 181013, 181014, Barbados Ridge, 780385, 780390 basin, 960783 280815 basalt, 450647, 450651 continental margin, 630758, 630759, 630760 gas, residual, 42B0679 alcohol-benzol extracts, 450647 offshore, 630960 gasoline range, 130813 alteration, 450651 California, Gulf of, 650667 migration, 960783 39Ar/40Ar age, 340449 basalt, 650667 Pacific Ocean NE, 181013 association, rock structural defects, canned sediment samples, 210721, 230971 production, 960783 450647 bitumen, 230971 Ross Sea, 280815 bitumen, 450647, 450648 carbon, 230971 volume, 220673 brecciated rocks, 450647 carbon, organic, 210721, 230971 hydrocarbon, Cj-C5 C2H4, 450647 gas, residual, 210721 Japan Trench, 571336, 571338, 571339, C2H6, 450647 hydrocarbon, 230971 571341, 571343 C2H8, 450647 methane, 230971 midslope, 571343 C3H6, 450649 petroleum, 230971 source, 571335, 571344, 571346 California, Gulf of, 650667 Cape Bojador, 500016 hydrocarbon, C,5, migration, 870886 CH4, 450647 carbon, 47B0559 hydrocarbon, extractable, organic chemical composition, 450647 geochemistry, 500026 petrology, 630834 CO2, 450647 caprock, 010461, 010463 hydrocarbon, gaseous, 241157 CO4, 450647 carbon isotope, 010463, 010467 changes with depth, 500617 condensates, 450649 fluid characteristics, 010421 retaining ability, rock, 500618 crystalline defects, 450647 carbon, 090798 hydrocarbon generation potential, organic epigenetic stage, 450647 deep-sea sediments, 580752 facies, 640865, 640867, 640868, 640869 epimagmatic rock changes, 450651 pyrolysis, 660543 hydrocarbon, heavy, 241157 extrusive, 450651 carbon dioxide, 870884, 960782, 960783 hydrocarbon, light, 410859 fractures, 450647 methanogenic reduction, 960694 hydrocarbon, thermogenic, migration, 960783 gabbro, 370629, 450647 carbon isotope, 950647 hydrogen isotope, 950647 gaseous phase, 450649 compositions, 950647 13C/12C, 950647 geochronology, 411115 fractionation, 960783 CO2, 950647 helium, 450647 New Jersey Transect, 950647 compositions, 950647 hydration, low-temperature, 450649 carbon, light, 960783 D/H, 950647 hydrocarbon, 450647, 450649 carbon, organic, 960782 hydrocarbon gas, 950647 hydrocarbon, heavy, 450647 carbonate, 090798 interstitial water chemistry, 950647 hydrogen, 450647, 450649 diagenesis, 110791 molecular compositions, 950647 intrusives, 450651 carbonate mineral, stable isotopes, 550653, New Jersey Transect, 950647 island arcs, 450647 550654 oxidation, 950647 island, oceanic, 450647 Cariaco Basin interstitial water, 200773 low-boiling, 450647 chemical composition, 200773 California, Gulf of, 630626 melt, primary, 450651 interstitial water, 200773 Cariaco Basin, 200773 methane, 450647 Caribbean Sea chemical composition, 200773 Mid-Atlantic Ridge, 450649 interstitial water, 200773 hydrocarbon, 870869 nitrogen, 450647 isotopic composition, 200773 recovery, 670603 oxygen, 450647 chemical data, 670597 interstitial water, geochemistry, Pacific Ocean SW, 450647 potential, 670597 hydrothermal alteration, 640693 peridotite, serpentinized, 450647 chemistry, 460227, 460233 intraslope basin, 960694 petrochemistry, 490727, 490736 Mid-Atlantic Ridge E, 460227 isopentane, 870884 reduced carbonaceous compounds, 450647 Mid-Atlantic Ridge N, 460232, 460233 isotopic analysis rocks, bituminous matter, 450647 concentration, 870924 Middle America Trench, 840719 serpentine, 450649 cracking, temperature range, 711003 Mississippi River, 960781 serpentinization, 450651 dacite, conglomerate, 571287 isotopic composition, 960782 structural defects, 450647 diagenesis interstitial water, 200773 volcanic manifestation, 450651 organic matter, 870878 isotopic fractionation, 960694 zeolitization, 450651 thermally controlled, 630945 Japan Trench bitumen, 450647 diagenesis, low-temperature, 960783 3He/4He ratio, 870861 association, rock structural defects, ethane, 960782, 960783 hydrocarbon, C2-C5, 960783 450647 geochemistry, 660547, 660551 kerogen chemical composition, 450647 biogenic origin, 660551 sediments, 410843 formation, 571331 composition, 660551 volume, 220673 geochemistry, 42B0687, 42B0688, 42B0690, frozen hydrated material, 660551 kerogen, terrigenous, 870884 42B0696 frozen sediments, 660550, 660551 labile organic matter degradation, 960782 hydrogen, 450649 hydrocarbon, 660551 limestone, stable isotope, 150802 low-boiling, 450647 ice, 660547, 660549 lithology, 42B0051, 47A0026, 100058, Black Sea, 47A0531 ice inclusion, 660547 100060, 100093, 100097, 100122, 140164, age, 47A0531 major oxides, 540359 190329, 240021, 280232, 410332 sediments, 42B0661 Mexico, Gulf of, 660551 physical properties, 180503, 190223, Blake Ridge, sediments, 760374, 760377, potential, 440625 190420 760381, 760384, 760393, 760403, 760425 geotechnical properties Pliocene to Eocene, 110318 brine, high ionic composition, 960782 consolidation effect, 960824 sand, 190221 C/C2 ratio, 960694, 960782, 960783 physical properties effect, 960824 silt, 190221 C4, C2, C3, 110937, 140164, 240021, 500016, H2S, 870884 localized mass movement, 960782 500025, 650667, 870884, 960694, 960782, 3He/4He ratio, 870861 lower fan channel-levee, organic matter, 960783 Japan Trench, 870861, 870862 960761 C,, 960694, 960782, 960783 Kuril Islands, 870861 major element, argillaceous sediments, CO2, 870677 Nankai Trough, 870862 580721 methane, 870884 pore waters, 870861 marine phytoplankton, 870884 hydrocarbon, 280815, 870884, 960782 Mazagan Escarpment, 790745 372 Gas

methane-producing microorganisms gas hydrate, 960694 distribution, 660553 formation mechanisms, 960767 sulfate, 960782 exsolved solution, 660554 migration, 960767 organic chemistry, 870888 hydrated zones, 660551 methanogenesis, 960782 hydrocarbon, 870888 immature sediments, 660554 methanogenic bacteria, 960695 Nankai Trough, 870888 over-pressurized shallow accumulations, methanogenic microbiologic activity, 960695 organic geochemistry, 640717 660554 methylene chloride accumulations, 640723 seismic stratigraphy, 960575 production decrease, 660583 Baja California, 640942 shale, organic geochemistry, 400557, 400558 yield increase, 660584 diagenesis, 500553 shale, black, thermal maturation, 711026 yield trends, 660584 formation, 380783 Shikoku Basin, basalt, 580898 Mexico, methane hydrate, 660547 gasoline, light, 640945 Sigsbee Basin, organic analyses, 100127 Mexico, Gulf of, regional aspects, 100744, geothermometry, 640726 substrate depletion, 960782 100745 Guaymas Basin, 640943, 640945 sulfate Mid-Atlantic Ridge, physical properties, hydrocarbon, light, 410815 decrease, 960694 370410 products, 640717 reduction rate, 960782 Mid-Pacific Mountains W, Aptian sediments, source, 640723 sulfate, interstitial, 960782 620910 organic matter, 870884 turbidite, pelagite, 870884 Middle America Trench, 840755 bacterial degradation, 870884 Vigo Seamount, carbon, 47B0559 continental slope, 670591, 670594 generation, 960763 vitrinite, reflectance, 870884 geotechnical properties, 660484 geochemistry, 640856 volcanic rocks, ages, 550665, 550668, 550674 hydrocarbon, C2-C5, 960783 organic matter lability, 960782 Walvis Ridge isotopic analysis, 840719 organic-rich sediment, Red Sea, 230971 geotechnical properties, 751110 Mesozoic sediment, 840955 origin, 870884 sediments, 751062 microbial, 840955 Pacific Ocean, margin, 960782 see also hydrocarbon gas; methane serpentinite, 840955 Pacific Ocean N gas, atmospheric, basalt, K/Ar age, 160651 source, 840955 ooze, diatomaceous, 190911 gas, biogenic transect, 670610 sediment, 190879 carbon isotope, 950647 upward migration, 840955 Pacific Ocean NE absence, 950649 Miocene depositional history, 950799 chalk, 200035 continental slope basins, 960706 Mississippi Fan, 960694 hydrocarbon, 181013 geochemistry, 660551 consolidation, 960797 Pliocene, 200035 gas, 660551 isotopic analysis, 960781 Pacific Ocean SW, 210721 hydrocarbon, C,-C5, Japan Trench, 571339, Mississippi River, 960781 palynological residue, generation 571343 molecular composition, 960782 potential, 640729 hydrocarbon generation potential, 660545 molecular, isotopic analysis, 960781 permeability, 870843 organic facies, 640869 aerobic bacterial respiration, 960781 petroleum generating potential hydrogen isotope, 950647 anaerobic bacterial respiration, 960781 Magdalena Fan, 630958 absence, 950649 brine, 960781 organic matter, 571327, 571328, 571329, kerogen, organic geochemistry, 640883 carbon dioxide, 960781 571330 lipid chemical diagenetic reactions, 960781 petrology, ilmenite, 540801 geology, 571384 diapiric activity, 960781 physical properties organic geochemistry, 640883 differentiation, 960781 consolidation, 960821 methane hydrate, 660553 faulting, 960781 evolution with temperature, 370410 accumulation, 660554 fracturing, 960781 shear strength, 960820 concentration, 660554 microbial origin, 960781 Pigmy Basin, 960782 Mexico, Gulf of, regional aspects, 100745 migration pathways, 960781 constituents, 960783 Orca Basin, lithology, 960573 Orca Basin, 960781 sulfate, 960782 organic geochemistry, 410815, 640724, 640950 Pigmy Basin, 960781 Po Basin gasoline, light, 640945 pressure/depth, 960781 organic matter, 870884 Guaymas Basin, 640944, 640945 salt diapir, 960781 Pliocene-Pleistocene, 870884 petroleum generating potential, organic slumping, 960781 pore water chemistry matter, 571330 sulfate, 960781 hydrocarbon, 960693 Quaternary sediments, sedimentology, 640926 temperature, 960781 pore, 960693 seismic reflections, 660554 thermogenic reduction, 960781 propane, 960783 shallow accumulations, 660554 mud, 870913 preferential incorporation, 960783 Walvis Ridge, 750979 content, 870915 radiolabeled substrates, sediment gas, dissolved mud, terrigenous, organic geochemistry, incubation, 960695 Atlantic continental margin, interstitial 400557, 400558 Red Sea, 230971 water chemistry, 111011 Nankai Trough, 870884 geochemistry, 230988, 230989, 230991, Black Sea, 42B0661 isotopic composition, 870884 230992, 230993, 230994 Caribbean Sea, interstitial water, 200765 Japan Trench, 870866 organic-rich sediment, 230971 interstitial water, traces, 151069 sediments, 870857 reworked sediment, 960782 major element, argillaceous sediments, turbidite, 870913 rhyolite, conglomerate, 571287 580721 turbidites, 870915 Ross Sea methane hydrate, origin, 660553 neopentane, 870884 continental shelf, 280005, 280231, seismic reflections New Jersey, wedge toe, 950638 280887, 280925, 280938, 280940, 280947 biogenic/petrogenic origin, 660553 New Jersey Transect, 950647 hydrocarbon, 280815 interstitial water, 660553 carbon isotope, 950647 San Jose Canyon, hydrocarbon, 840930 phase change, 660554 hydrogen isotope, 950647 sapropel, Cretaceous, 620891 gas, dry midslope, 950636 sedimentation rate, 960782 Angola Basin, organic geochemistry, 750987 nitrogen, deep-sea sediments, 580752 sediments, 760377 Biscay, Bay of, shale, black, 480955 oil, 010461, 010463 Blake Ridge, 760357, 760359, 760374, protokerogen, hydrothermal effects, 640909 carbon isotope, 010463, 010467 760377, 760379, 760381, 760384, 760393, gas, exsolved fluid characteristics, 010421 760403, 760425 methane, solubility, 670592 Orca Basin, 960782, 960783 seismic reflections Shikoku Basin, basalt, 580896 13C, 960783 accumulation mechanism, 660554 gas, free Gas hydrate 373

Blake Ridge, gas, natural, 100797 18O, 670612 dissociation, 670603 gas hydrate, 670610 formation conditions, 670591 Middle America Trench, 840727 occurrence/reflector association, 670610 formation requirement, 840951 interstitial water chemistry, formation, gas, natural, zonation, 110797 fresh waters intrusion, continental origin, 670607 seismic reflections 670612 ionic strength conditions, 670591 distribution, 660553 freshwater dilution, 670611 isotopic analysis, 960781 phase change, 660554 freshwater/overlying sediments diffusive Mississippi River, 960781 gas hydrate, 670591, 670594, 670610, 670612, exchange, 670612 isotopic values, 960694 840950, 960781, 960783 gas, 670591, 870884, 960694, 960783 liberation, ethane, 670592 abundance, 840951 expansion cracks, 670591 lithified sediments, 670591 accumulation rate, Quaternary, 670611 expansion cracks, pressure, 670591 lithologic control, 670591 advection, 670611, 670612 formation, 960783 magnesium, 670612 alkalinity, 670611 molecules/crystalline solid, forces, Messoyakha Field, 670591 alkalinity decrease, 670612 670591 methane, 670591, 670610, 670612, 840950, ash, hydrate, 670612 Orca Basin, 960694 840951, 960783 ash, lithic, 840950 reservoir, 670610 biological activity, 960783 Atlantic Ocean N, 760367 gas, free, 670610 generation, 670610 Atlantic Ocean NW, regional aspects, 110972 occurrence/reflector association, 670610 isotopic fractionation, 960783 biogenic processes, 840951 gas, natural, 110791 primary source, 960783 Black Sea, 670591 gaseous components concentrations, 670591 solubility, 670592 sediments, 760353 geochemistry, 660547 methane, dissolved, 670610 Blake Ridge, 760353, 760913, 760938, 760941 frozen sediments, 660549 methane hydrate formation, 760363 ice inclusion, 660547 decomposition, 660554 sediments, 760377, 760391, 760403, instability, 660547 Mexico, 660547 760405, 760453, 760455 Middle America Trench, 840699 in situ pressure conditions, 660553 bottom-simulating reflector, 670591 pressure, 660551 temperature, 660553 sediments, 760353, 760378 stability, 660547 Mexico, methane hydrate, 660547 seismic profiles, 670610 stability areas, 660547 Mexico, Gulf of, regional aspects, 100745 C/C2 ratio, 960783 temperature, 660551 Middle America Trench, 670591, 670598, Cj/C2 ratio, anomalous, 960783 geologic setting, 840923 840667, 840695, 840773, 840788, 840954 13C, Cj, 960783 geophysical data, reflection base, 840941 continental slope, 670591, 670592, 670594 carbon dioxide, 670591, 960783 geothermal gradient, sediments, 760353, hydrate P-T, 670591 production, 670611 760361 interstitial water, 840727 carbon isotope, fractionation, 960783 Green Canyon, hydrate, 960783 landward slope, 840951 carbon, organic, 670610 Guatemala reflection base, 840955 Central America, western continental slope, continental margin, 670603 sedimentology, 670772 840922, 840935 continental slope, 670610 sediments, 760353, 760453 CH4, dilution water decomposition, 670610, midslope continental margin, 840929 seismic reflection, 670686 670612 upper slope, 840925, 840929 slope deposits, 670726 18 chloride, 670611 H2 O enrichment, freshwater reservoir, structural analysis, 670663 expected maximum, 670612 670612 transect, 670603, 670605, 670607, 670608, gradient, 670611, 670612 heavy isotope depletion, 670612 670610, 670611, 670612 migration, 670611 heavy water, pore water dilution, 670611 water, 840695, 840699 chlorinity helium, 670591 Mississippi Fan decrease, 670611 carbon dioxide, 670591 isotopic analysis, 960781 water pool, 670612 crystallize, cubic system, 670591 molecular analysis, 960781 chlorinity profile, 840950 ethane, 670591 molecular analysis, 960781, 960783 chlorite methane, 670591 mudstone, fracture, 840950 increase, 670611 propane, 670591 Nankai Trough migration, 670611 high-porosity lithologies, 670592, 670594 geologic setting, 870911 clathrate, 670610 high-porosity rock sequences, association, heat flow, 870737 stability, 670610 670591 Japan Trench, 870866 comparison, phase diagrams, 870738 high-porosity sediments, 670591 sediments, 870857, 870858 continental margin, sediments, 760353, hydrocarbon, 670591 Northwest Territories, 670591 760354, 760378 evolved, 840950 18Q continental slope pressure, 960783 gas, residual, 42B0679 expected minimum, 670612 continental slope temperature, 960783 migration, 960783 gradient, 670612 Costa Rica, continental margin, 840924 production, 960783 increase, 670611 crystalline "icelike" structures, 960783 hydrocarbon, C2-C4, 960783 interstitial water, 670611, 670612 crystallization, 670591 hydrocarbon, thermogenic, migration, 960783 Orca Basin, 960783 crystallography, 760353, 760359 hydrogen, 670591 gas, 960783 decomposition, 670610, 670612 carbon dioxide, 670591 lithology, 960573 diagenesis ethane, 670591 organic chemistry, 870888 low-temperature, 840951 methane, 670591 organic matter, 670612 organic matter, 870878 propane, 670591 organic matter decomposition, 670610 slope sediments, 840584 ice Pacific Ocean, bottom sediments, 571315 diagenesis, low-temperature, 960783 crystal geometry, 670591 Pacific Ocean N, ooze, diatomaceous, 190911 diffusion, 670611 formation, 670591 permafrost areas, 670591 water reservoir, 670612 water, 670611 permeability, 840951, 870843 dissolution, 670611 ice water system, oxygen isotope, 670611 Pigmy Basin, gas, 960783 distribution, Nankai Trough, 870738 icelike material, 670591 porosity, 670591, 670611, 840951 ethane, 670591, 840950, 840951, 960783 increase, 670611 potassium, decrease, 670612 evidence, 670591 inorganic, organic geochemical evidence, pressure conditions, 670591 fault, transverse, 840951 840950 pressure gradients, 670610 formation, 670610, 670611, 960694, 960783 interstitial water propane, 670591, 840950, 960783 Blake Ridge, 760363 chemistry, 840727 preferential incorporation, 960783 374 Gas, hydrothermal

recovery, 670612 BaCO3, 640781 degradation, 410861 reflection base, 840950 biogenic range, 640786 propane, 410861 resistivity logs, 840950 C2H6, 640781 stable isotopes, 640815, 640816, 640817 sand, 670591, 670592 C3H8, 640781 C2/Ct ratio, 640816 13 sand, vitric, 670591 C5H12, 640781 C, 640815, 640816, 640817 sedimentary hiatuses, 670611 13C, 640786, 640787 California, Gulf of, 640815, 640817 sedimentary processes, 840560 carbon, 640787 Cape Verde Terrace, 640817 sedimentation breaks, 670611 carbon dioxide, 640787 Cariaco Trench, 640817 sediments, 760353, 760367, 760378, 760391 carbon isotope, 640781, 640787 CH4, 640815, 640816, 640817 acoustic reflectors, anomalous, 760353 carboxyl, 640787 closed-system conditions, 640816 anomalous acoustic reflectors, 760353 CH4, 640781, 640786 CO2, 640815, 640816 Blake Ridge, 760354, 760367, 760377, CH4, biogenic, 640787 convection, 640816 760391, 760403, 760405, 760453, 760455, CO2, 640781, 640786, 640787 D/H ratio, 640816 760913, 760938, 760941 CO, 640781 degassing, 640816 crystallography, 760353, 760359, 760377 continental slope, 640784, 640785, 640786 deuterium, 640816, 640817 decomposition, 760382 deposits, age, 640781 diagenesis, 640816 formation, 760363 exchange system, 640787 dolerite, 640816 geothermal gradient, 760353, 760361, gas, 640787 dolomite, 640816 760362 gas, natural, 640781 ethane, 640816 Middle America Trench, 760453 Guaymas Basin, 640783, 640784, 640786 gas, 640817 Nankai Trough, 870738 heat flow, 640781, 640786 gas, bacterial, 640817 pore water chemistry, 760362 hydrocarbon, 640781, 640786 gas, natural, 640817 structure, 760353, 760359, 760367, 760377 hydrocarbon, heavy, 640787 geologic setting, 640815 seismic records, bottom simulating hydrogen, 640781 hydrocarbon, 640815, 640816 reflector, 670591 inorganic origins, 640787 hydrocarbon, C2, 640816 seismic reflection, 660552, 660554, 670610 methane, 640786 hydrogen, 640815 Blake Ridge, 660551 nitrogen, 640781 interstitial water chemistry, 640816 distribution, 660553, 660554 oil, 640786 isotopic analysis, 640815 Mexico, 660551 organic matter, anaerobic decomposition, light isotopes, 640817 velocity structure, 660552 640787 magma, 640816 seismic reflector, 760353 organic matter oxidation, 640787 methane, 640815, 640816, 640817 sediments, 760378 organic matter, source, 640781 methane, biogenic, 640816 seismic velocities, 670610, 670611 oxygen, 640781, 640787 methane, thermogenic, 640816 specific conditions, temperature, 670591 oxygen isotope, 640781 oil, crude, 640817 stability conditions, 960783 thermal conditions, 640781 organic matter, decarboxylation, 640816 stability field, 670591 transformation products, 640781 Pacific Ocean, 640817 stratigraphic sequences, 670591 isotopic analysis, Quaternary sediments, propane, 640816 sulfate, 670610 640815 sedimentary basins, young, 640817 temperature conditions, 670591 kerogen sedimentation rate, 640815 temperature gradients, 670610 organic geochemistry, 640883 similarity, 640816 trench slope, 670607 sediments, 410839 South German Molasse, 640817 interstitial water, 670603, 670605, 670607 lipid, organic geochemistry, 640883 gas, light hydrocarbon, Rio Grande Gap, interstitial water chemistry, 670608 methanogenesis, sediments, 640760 geochemistry, 720841 sedimentary facies, 670607, 670608 organic geochemistry, 640717, 640723, gas, natural turbidites, Guatemala, 840925 640724, 640727 Atlantic continental margin water, geochemistry, 840699 Cabo San Lucas, 640724 carbonate, 100791 water removal, 670611 carbon, residual, 640726 interstitial water, 100795 water trap, 670611 Guaymas Basin, 640724, 640943, 640945 lower continental rise, 100791, 100792 water, upward advection, 670611 hydrocarbon, biogenic, 640723 sediments, 100791, 100792 water volume, 670612 Walvis Ridge, 750465 Blake Ridge, zonation, 100791, 100797 weak seismic reflectors, 670612 Red Sea, temperature, 42B1087 carbonate, diagenesis, 100791 see also methane hydrate sediment, 410861 gas, interstitial gas, hydrothermal sediments, 410861, 410862 geochemistry, 640781 Blake Ridge, sediments, 760357, 760359 alteration, thermal, 410861 stable isotopes, 640817 organic geochemistry, 640727 buried sediments, 410861 lipid, 660584 gas, inert Cj/C.-C4 ratio, 410862 oil, crude, 660583 abundance, Costa Rica Rift, 830305 12C/13C ratio, 410861 mud, terrigenous, organic geochemistry, Caribbean Sea, interstitial, 200777 13C, 410862 400557 Costa Rica Rift, 690651 carbon isotope, stable, 410862 organic geochemistry, seeps, 590648 abundance, 830305 carbon, organic, 410862 sedimentology, physical properties, 100715, Costa Rica Rift Zone, basalt, 830308, diabase, 410862 100716 830309, 830310, 830311 ethane, 410861, 410862 shale, organic geochemistry, 400557 interstitial water, 200777, 200778 gas, 410861, 410862 Sigsbee Basin, organic analyses, 100057, argon, 200778 gas, biogenic, 410861 100058 Caribbean Sea, 200777 high temperature, 410862 zonation, 100791 gas, 200777 hydrocarbon, 410861, 410862 carbonate, 100791, 110791, 110793, 3He, 200778 hydrocarbon, heavy, 410861 110794, 110795, 110797, 110799 4He, 200780 isobutane, 410861 gas, nitric krypton, 200778 low molecular weight, 410861 basalt, petrochemistry, 490735 neon, 200778 marl, argillaceous, 410862 gas, organic, distribution, 490735 gas, interstitial methane, 410861, 410862 gas, organic California, Gulf of methane, biogenic, 410862 basalt, 490727 geochemistry, 640781 organic matter, 410862 distribution, 490727 isotopic analysis, 640815 organic matter, bacterial fermentation, petrochemistry, 490735, 490736 stable isotopes, 640815 410861 California, Gulf of, basalt, 650667 geochemistry organic matter, thermochemical distribution, 490727, 490735 Geothermal gradient 375

distribution (Cont.) sediment immaturity, 640945 Blake Spur, north rim, 440069 CO2, 490735 sill, 640945 Scotian Bank, 760864 gas, 490727, 490736 Gaspe Current, 950321 seismic profiles, 950606 gas, nitric, 490735 Gat Member, 42B1201 Georges Basin, 950020, 950023, 950766 hydrocarbon, 490736 Gatun, Panama, 840533, 840537 dolomite, 790717 hydrogenous, 490735 Gault Section, Copt Point, 260635 Iroquois Formation, limestone, 790717 petrochemistry, 490729, 490731, 490734, Gautier Formation, 151100 Jurassic sedimentation, 760864 490735 Gavdos Formation, 130231 Atlantic continental margin, 760864 regional distribution, 490736 Gavdos Island, 131003, 131210 New Jersey Transect, stratigraphy, 950766 volcanism, 490736 Messinian environments, pre-evaporitic Georgia, 440521, 760391, 760646, 930506, gas pocket, 860520, 860522 setting, 42A1004 930801, 950365, 950565, 950573 Blake Ridge, sediments, 760356, 760358, Gavrovo-Tripolitza flysch, 131117 Campanian sequence, 950779 760403 Gaza, 42B1202 continental slope, 950465, 950771 hydrocarbon, C1-C?, volatile organic Mediterranean Sea E, history, 42B1202, diagenesis, 020422 compounds, 571353 42B1203 New Jersey Transect, stratigraphy, 950771 interstitial water, 151071 sand, 42B1203 North Carolina, margin, 950488 Japan Trench, hydrocarbon, CJ-CJ, 561335 Gaza-Beersheba Canyon, 42B1202, 42B1216 tektite, 950570, 950571 Vigo Seamount, 47B0561 Mediterranean Sea E, history, 42B1202, Georgia Embayment SE, 931354, 950023 gas, rare 42B1210, 42B1214, 42B1216 Georgia SE, 950476 Bermuda Rise, basalt, 511121, 511122, Gaza-Beersheba Channel, 42B1206 Georgia (U.S.S.R.), basin, 42B1077 511123, 511124, 511125 Mediterranean Sea E, history, 42B1206 geothermal gradient fractionation, 670567 Gazelle Basin, 210897, 300005, 300007, alteration, remnant arc debris, 590737, interstitial water, 141072 300630, 300631, 300700 590740 gas, thermogenic, 960782 Pacific Ocean SW, 210897 basalt, geochemistry, 590780 gas, gas, biogenic, 960783 island arcs, 300700 Blake Ridge, sediments, 760361 hydrocarbon generation potential, organic South Fiji Basin carbon facies, 640868, 640869 geology, 300619 deep-sea sediments, 580750 kerogen, sediments, 410843 history, 300629, 300630, 300631 geochemistry, 571324 organic geochemistry Gazelle Formation, 030466 carbon isotope, stable, chert, 410944 gas, biogenic, 640723 Gearle Formation, 061287 chert, oxygen isotope, 620753, 620755 gasoline, light, 640945 Australia W, continental margin, 270573 Costa Rica Rift, siliceous rocks, 690425 Guaymas Basin, 640944, 640945 Gebiz Mountains, 42A0903 foraminifer tests, isoleucine, 370633 gas, volcanic, 3He/4He ratio, Kamchatka, Neogene formations, paleogeography, 42A0903 gas hydrate, sediments, 760353, 760362 870861 Gediz Mountains, Kyrenia, Antalya Basin, hydrate, high-porosity lithologies, 670594 gas, wet 42A0975 hydrocarbon, Cj-C5 Angola Basin, organic geochemistry, 750987 geikielite, basalt, Fe-Ti oxide, 550644 CrC8, 571344, 630775, 640763 California, continental margin, 630758 geikielite-prophanite-hemoilmenite, basalt, Japan Trench, 571337 contact metamorphism, kerogen, 410822 Fe-Ti oxide, 550644 hydrocarbon, Cj-C7, volatile organic hydrocarbon generation potential, organic Geisel Valley, 200944 compounds, 571354 facies, 640867 Geisha Guyots, 200653, 200658, 200667, hydrocarbon, C,-Cg sediments, kerogen, 410822 200682, 200683, 200687, 200694 Baja California, 630781 Vigo Seamount, shale, black, 47B0533 volcanic rocks, petrography Guaymas Basin, 640769 Gascony, margin, 480350 alkalic province, 200687 hydrocarbon, extractable, organic Gascony Ridge, 481053, 481059, 801162 andesite, hypersthene, 200683, 200684 petrology, 630834, 640851 continental margin, structural evolution, Cretaceous reef fossils, 200687 igneous rocks, geochemistry, 370675 481053, 481059 intermediate character rocks, 200691 interstitial water, sediment relationship, Goban Spur, continental margin, 801162 rock petrography, 200682 870870 Gascony Seamount, 120673, 120753 Shatskiy Plateau S, 200683 interstitial water chemistry, 850808 Gascoyne Plain, 270089, 270314, 270339, submergence, 200694, 200695, 200698 isotopic study, 590639 270341, 270380, 270551, 270624, 270631, volcanic rocks, petrogrpahy, 200667 hydrothermal alteration, 590638 270663, 271001, 271049 Gemini fault system kerogen, organic geochemistry, 640900, geophysical, 270339, 270341 Campanian sequence, 950775, 950776 640901, 640902 mineral, heavy, 270524 principal objectives achieved, summary, New lipid chlorite, 270524 Jersey Transect, 950809 cyclic components, 610616 clay, 270524 regional seismic grid, borehole data diagenesis, 630771 clinopyroxene, 270524 extrapolation geology, 571385 epidote, 270524 chalk, siliceous nannofossil, 950791 organic geochemistry, 640900, 640901, garnet, 270524 deposition, 950784 640902 hornblende, 270524 Miocene depositional history, 950800 Middle America Trench, continental slope, opaques, 270524 Genoa, 131221 670594 orthopyroxene, 270524 Genoa, Gulf of, 42A0961 nitrogen, deep-sea sediments, 580750 phosphatic fish fragments, 270524 Genovesa, 160663 organic geochemistry, 571298 pyrite-filled tests, 270524 geomagnetic pole, virtual, 730640 gulf mouth, 640879 pyroxene, 270524 stratigraphy, magnetic, 730640 kerogen, 630849 rutile, 270524 geomagnetic secular variation oxygen isotope, stable, chert, 410944 sphene, 270524 Black Sea, geophysical framework, 42B1069 palynological residue, 640752 zircon, 270524 magnetic polarity reversal, Quaternary, Guaymas Basin, 640731 see also Indian Ocean E 42B1069, 42B1070, 42B1073 organic matter, maturation index, 640748 gasoline, light Quaternary, Black Sea, 42B1069 petroleum generating potential, thermal organic geochemistry, 640945 George Bligh Bank, 120449, 480166, 481061, maturity, 640874 C/N ratio, 640945 810916 sediment-interstitial water interaction, ethane, 640945 lithology, Reflector, 4, 120449 silica, 571273, 571274 gas, biogenic, 640945 Rockall Plateau W, stratigraphy, 481061 sediments gas, thermogenic, 640945 structural evolution, morphology, 481061 Blake Ridge, 760361 hydrocarbon, light, 640945 Georges Bank, 430734, 440007, 440069, 440337, gas hydrate, 760353, 760361 methane, 640945 950606 tholeiite 376 Germanium

tholeiite (Com.) magnetic anomaly, 121164, 121166 continental shelf, onshore geology, 400974 geochemistry, 590682 Rockall Plateau, basalt, 810804 lithology, 180217, 310363, 430038 petrology, 590682 Rockall Plateau W, stratigraphy, 481062 Middle America Trench, Costa Rica, 840555 germanium, lithology, Orphan Knoll, 120051 structural evolution, tectonic history, glacial maximum Alpha, Black Sea, sediment, Germany, 710802, 801162, 810535, 810536, 481062 42B0489 810581, 930914, 950360 gibbsite glacial rock flour ash, 800849 Antarctica, mineralogy, 350749, 350752 Antarctica, glaciation, 291041 continental margin, structural evolution, Argentine Basin, mineralogy, 361019, mudstone, petrology, 180911 481058 361020, 361022, 361023 glacial sedimentation, 100009, 280220, Goban Spur, continental margin, 801162 deposition 280231, 280757, 280758, 280760, 280761, salt rock, single dome intrusion, 790524 chalk, nannofossil, 250492 280762, 280763, 280764, 280765, 280879, Tertiary basin, 800580 ooze, nannofossil, 250492 290125, 38SOO31, 38S0041, 380048, Zechstein Group, 790523 Indian Ocean W, mineralogy, 130608, 150850 38S0071, 380170, 380173, 380207, 380391, Germany N, 38S0689, 800579, 800591, 800614, lithology, 260299 380453, 380457, 380528, 380531, 380538, 800849, 801209, 810568, 810919, 820605, Gibraltar, 130043, 130692, 130799, 130800, 380600, 380663, 490036, 490123 950429 131417, 140007, 140049, 42A0936, 760887, Antarctica, 280757 coalification, lignite, 670602 760890, 790524, 790525 glaciation, 291042 Hemmoor Transgression, 480484 diapir, 790510 basement, 280758 Walvis Ridge, sediments, 751057 Mediterranean Sea bedding characteristics, 280763 Germany SW, 110573, 790675 evaporites, 131217 carbon, organic, 810867 Africa, 790889 Neogene, 131260 Cenozoic, 280757 glauconite, 730630 Messinian environments, Lago Mare, 42A1025 Indian Ocean S, 280769 Germany W, 100608, 110631, 121010, 131079, Moroccan Basin, margin, 500808, 500810 Ross Sea, 280769 210651, 210696, 270290, 270984, 330383, Newfoundland, fracture zone, 47B0080 Challenger Plateau, Quaternary, 901420 340383, 38S0493, 38S0498, 38S0764, 380906, ridges, 090918 clay, 280763 390658, 480371, 480549, 480611, 480612, Rif, Greece, 131216 claystone, 280760 480613, 480614, 480615, 480616, 480780, sill, 130799, 131414, 160880, 42A1025 climatic interpretation, 280763 481005, 481058, 481124, 670602, 760550 thresholds, 131006, 131353 Alpine temperature, 280765 Astrup, 081000, 091204, 160015 waterfall, 131217, 131219, 131228 climate, cold, 280765 Bavaria, 410504 Gibraltar Fracture Zone, 140787, 790510, glaciation, 280763, 280765 Brunswick, 39S0719 790523 ice sheet, 280765 Doberg, 081000, 091204, 160015 Moroccan Basin, evolution, 500801 melting, 280763 Guatemala, continental slope, 670602 Gibraltar Gate, 131064, 131208, 131219, Ross Sea, 280765 Halle, 200944 131414, 42B1196, 42B1219 sedimentation rate, 280763 Kassel, 081000, 091204 Mediterranean Sea, evaporites, 131208 current, traction, 280760, 280761, 280762, Kimmeridgian, 110633 Mediterranean Sea E, history, 42B1212, 280765 Luneburg, 42A0661 42B1214, 42B1219 Gauss Chron, 280761 northern, 080999, 091203, 120067, 121019, Gibraltar, Strait of, 130007, 130029, general synthesis 220604, 230830, 230876, 350168, 380825, 130606, 130719, 131055, 131063, 131207, accumulation rate, 280930 381101, 381200 131212, 131215, 131216, 131217, 131227, biostratigraphy, 280925, 280927 Onstmettingen, 110608 131239, 131242, 131258, 131411, 131420, climate, 280936 Solnhofen, 38S0719, 410499, 410501, 410503 401045, 411179, 42A0396, 42A1040, 42B1214, lithology, 280925, 280927 Weissjura Gamma, 110633 430889, 800726, 800813, 950488 nearshore environment, 280933 Wurttemberg, 410503 Atlantic Ocean NE, evolution, 411233 glacier, temperature, 280765 Gerona, 130770, 131439 lithostratigraphy, Messinian salinity ice rafting, 280763 Gessi Formation, 100645 crisis, 42A1140 sand, 280763 formations, 100645 Mediterranean Sea, Miocene-Pliocene, 131242 ice shelf, 280765 Gessoso Solfifera Formation, 130159, 130230, Mediterranean Sea E, history, 42B1218, ice tongue, 280765 42A0573 42B1219 ice-eroded debris, 280761 Messinian environments mineralogy, 130719 Indian Ocean S, Cenozoic, 280769 marl, gypsiferous, 42A1032 opening, 42A1040 lithology, 280220, 280231, 290125, 380048, Messinian fossils, 42A1017 sapropel, petrography, 130719 380170, 380173, 380207, 380457, 380528, salinity crisis, 42A1030 Gibraltar-Rif seaway, 790890 380531, 380538, 380600, 380663, 490123 Ghana, 760822 Gilbert Islands. See Kiribati paleoenvironment, 490036 Giacomini Seamount, 180287, 180377, 180381, Gilbert Ridge, 070003, 071170, 071172 Lofoten Islands, Pliocene-Pleistocene, 180554, 180591, 180943 Pacific Ocean W, equatorial, 071172 38S0071 lithology, 180381 turbidites, 071172 magnetostratigraphy, Ross Sea, 280879 Gibbs Fracture Zone, 120003, 120036, 120180, Gilliss Seamount, 430725, 430734 mineral, chemical composition, sediments, 120313, 120315, 120905, 120911, 120913, seamounts, bathymetry, 430725 38SOO31, 38S0041 121155, 121164, 121166, 121178, 260480, Gioia Basin, 130405 mud, 280760 47B0095, 47B0096, 47B0764, 47B0768, Gippsland Basin, 220506, 291143, 300663, Norwegian Basin, Pliocene-Pleistocene, 480167, 480212, 480213, 481062, 481099, 901452 38S0071 490005, 490007, 490843, 490859, 801158, Lord Howe Rise C, Neogene evolution, 901452 Ohio, glacial till, 280763, 280765 810033, 810804, 810884, 810896 regional unconformity, 300663 Oligocene to Miocene, 280765 Atlantic Ocean, margin, 481099, 481102 Ross Sea, continental shelf, 280940 Oligocene-Miocene, Ross Sea, 280879 Atlantic Ocean N, paleogeography, 121166, Tasman Basin S, borderland, 291143 Pacific continental margin, geomorphology, 121171, 121178 gismondine 350280, 350281, 350285 bottom water, circulation, 941220 alteration, products, 450615 paleomagnetic stratigraphy, 280879 Goban Spur, continental margin, 801158 geochemistry, mineral, secondary, 450615 pebble characteristics, 280769 Iberian margin W, evolution, 47B0764, Giusulana, 42A1005 postdepositional processes, 280761 47B0768 glacial cycles preglacial sediments, 280757 Labrador Sea S deep-sea environment reworked sediments, 280761 basement, 121157 circulation, 800812, 800813, 800814 Rockall Bank, organic matter, 810823 bathymetry, 121155 glacial modes, 800809, 800810, 800811 Rockall Plateau, sediments, 810807, 810812 deep current-controlled sediment body, glacial events, Atlantic Ocean N, 950757 Ross Ice Shelf, formation, 280765 121161, 121163 glacial maxima, 180217, 310363, 430038 Ross Sea, 280757, 280879 Glaciation 377

Ross Sea (Cont.) Miocene, Antarctica, 720986 continental slope, 291042 Cenozoic, 280769 18O, 800814 Cretaceous, 291039 Oligocene-Miocene, 280879 Pacific Ocean C, paleoceanography, 850948 Emerald Basin, 291042 paleomagnetic stratigraphy, 280879 Pacific Ocean E, 680409 feldspar, 291040 sand-silt-clay distribution, 280760 Pacific Ocean SW fluorescence, 291040 sea floor stress, 280761 Cenozoic, 901514 fracture, 291042 sedimentation onset, 280765 paleoceanography, 901512, 901513 glass, 291040, 291042 estuarine sediments, 280765 paleoclimatology, estimated temperatures, history, 290801, 291039, 291040, 291041, nearshore marine sediments, 280765 800703 291042, 291043, 291084, 291161, 291164 sea level, 280765 paleoenvironment, deep water replacement, hornblende, 291042 talus, terrigenous, 280765 800819 ice rafting, 291041, 291042 sedimentation rate, 280761 present-day hydrological framework, iceberg, 291039 sorting, 280761 terminations, 800794 manganese nodules, 291039 Southeast Pacific Basin, 350206 Rio Grande Rise, mineralogy, 720997 mineralogy, 291041 stratification, 280765 Rockall Plateau, sediments, 810811, 810812, Miocene, 291040, 291042 stratigraphic variation, 280763 810813, 810815 ooze, diatomaceous, 291040 suspension, 280760 sedimentation rate, calcareous biogenic ooze, nannofossil, 291040 transport productivity, 901485 plagioclase, 291040, 291042 mud, 280761 seismic stratigraphy, 901329 Pleistocene, 291040, 291042 water, 280757 Miocene-Recent, 901330 Pliocene, 291040, 291042 wind, 280757 stable isotope analysis, 800797 quartz, 291039, 291040, 291042 turbidity current, 280760 Pleistocene surface temperature changes, quartz, glacial, 291039, 291040, 291042 unstratified intervals, 280762 800800 quartz, terrigenous, 291042 Voring Plateau, 38SOO31, 38SOO41 surface water, 800797 Recent to Pleistocene, 291039 erosion, 38SO041 thermohaline flow, Quaternary, 720990 Ross Sea, 291039 wave base, 280763, 280765 turbidite, mineral composition, 670541 sand, quartzose, 291040, 291042 wind/water sediment modification, 280757 glaciation, 120168, 120169, 120260, 120267, sanidine, 291040, 291042 glacial stage, 130068, 180102, 42B0161, 490260 120372, 120373, 120694, 120766, 120920, Southern Ocean, 291039, 291041, 291155 Atlantic Ocean NE, climate, 800805 120962, 130064, 130198, 130719, 180241, unconformity, 291039, 291040, 291041, biostratigraphy, Neogene, 180957 180295, 180409, 180412, 180912, 180926, 291042 carbon isotope, benthic foraminifers, 800814 180927, 220330, 280378, 290135, 290285, Atlantic continental margin Colombian Basin, isotope stratigraphy, 290330, 310419, 350140, 350163, 350309, evolution, 950562, 950563, 950564 680450 38S0055, 380168, 380170, 380392, 380400, mineralogy, 121137 glaciation, Pliocene-Pleistocene, 120959 380525, 380657, 390437, 42A0130, Atlantic Ocean N, 120073 lithology, 180102, 42B0161, 490260 47A0036, 480272, 490124, 810685, 810687, history, 490583 sedimentology, 100009 810692, 810763, 810871, 810875 sedimentation, 120920, 120925 microfossil distribution, 641248 abyssal plain, benthic microfauna, 800744, Atlantic Ocean NE oxygen isotope, North Atlantic Deep Water, 800745 evolution, 411233 800814 accumulation rate Quaternary nannofossils, 800767 paleoenvironment, deep-water environment, calcareous phytoplankton, 800786 stable isotope, 480477, 480484 800819 effects, 800786 Atlantic Ocean NW, regional aspects, 110960 Quaternary calcareous benthic foraminifers, Goban Spur, 800786 Atlantic Ocean S, Cretaceous, 720981 continental shelf material, 800745 noncarbonates, 740628 Atlantic Ocean SW, basin, evolution, Quaternary isotopic record, 680460 Pleistocene, 800786 361006, 361008, 361009 transition between modes, 680462 Alaska, Gulf of, 180835, 180836 biostratigraphic zonation Quaternary, Pliocene planktonic age determinations, 180836 extent, 800687 foraminifers, water temperature, 800704 erratics, 180835 zones, subzones, definition, 800689 sedimentation rate, 42B0522 fluctuations, 180836 biostratigraphy, paleoenvironment, 840950 stable isotope analysis, Goban Spur, 800796 , 180835 biostratigraphy, multiple, California thermohaline flow, Quaternary, 720989, granodiorite, 180835 Current, 180957 720990 graywacke, 180835 Black Sea Tohoku Arc, volcanism, 870703 ice rafting, 080041, 180005, 180288, mineral, terrigenous, 42B0653 glacial-interglacial cycle, 140220, 810663 180295, 180407, 180556, 180592, 180835, sediment, 42B0489 Black Sea 180897, 180904, 180961, 180974, 190005, terrigenous sedimentation, 42B0513 evolution, 42B1142 190019, 190414, 190569, 190731, 190831, Blake Basin, Antarctica, 440202 sediment, 42B0492 190887, 190898, 190899, 190908, 260709, calcareous phytoplankton carbon isotope, 800802 291163, 360849, 38S0235 Atlantic Ocean, 800786 benthic foraminifers, 800814 Malaspina Glacier, 180835 barren zones/glacial periods, carbonate measurements, abundance, 180835 correlation, 800786 dissolution, 150809 metavolcanic rock, 180835 diachronism, cause, 800786 Quaternary, 901436 mica, 180835 foraminifer responses, difference, 800787 Challenger Plateau, Quaternary, 901420, Pleistocene, 180836 Goban Spur, 800786 901422, 901423 rafted origins, pebbles, 180836 isotopic curve/nannofossil abundance, Chatham Rise, Quaternary, 901425 sand, 180835 800786 Costa Rica Rift, Pliocene record, 690439 slate, 180835 major climatic cycles, 800786, 800787 deep-sea environment, 800809 Antarctica, 290743, 291039, 291040, 291042, nannofossil abundance, 800786 intraslope basins, Pigmy Basin, 960591 291084, 360156, 391060, 480746 productivity variations, 800786 isotopes amphiboles, 291042 sedimentation rate, 800786 18O, 800806 Antarctissa strelkovi, 291041 termination ages, correlation, 800787 oxygen isotope, 800806 ash, 291040 calcium carbonate, stable isotope, 850735 lithology bottom current, 291039, 291040, 291042 carbon isotope, benthic foraminifers, 800814 ooze, foraminiferal nannofossil, 140220 bottom water, 291041 carbonate, 810862, 810867 paleoenvironment, 490036 breccia, 291042 Quaternary, 901435, 901436 magnetostratigraphy, rock-magnetic carbonate, 291040 Cenozoic paleoceanography, Northern stratigraphy, 960683, 960684 Cenozoic, 290743, 290745, 290750, 290751, Hemisphere, 901493 Mexico, Gulf of, regional aspects, 010625 290752, 290754 Cenozoic paleotemperatures, 47B0511 378 Glaciation

Challenger Plateau, Quaternary, 901420, Gardar Ridge, sediments, 941105 Northern Hemisphere, 901380 901422 general synthesis New Jersey Transect, 950811 chronostratigraphy Antarctica, 280938, 280939 Northern Hemisphere, 490869, 780486, 780505 climatic changes, 42B0518, 42B0522 biostratigraphy, 280922, 280927 Arctic, 42A0441 isochronous events, 42B0516 climate, 280936 history, 290801 Wisconsin interstadial, 960589 history, 280919 ice sheet, 780486 clay minerals, 810687 ice rafting, 280927 importance, 480272 coarse fraction variation lithology, 280922, 280927 low elevation, 490462 Northern Hemisphere, 901213 nearshore environment, 280933, 280934 Pliocene, 720987, 720988 Patagonia, 901213 Northern Hemisphere, 280939 Norwegian Sea, Greenland Sea, 380805 Weddell Sea, 901213 oceanography, 280937, 280938 18O, trends, 901374, 901375 Colombian Basin, isotope stratigraphy, offshore environments, 280935 onset, 120178, 120267, 120373, 120953, 680446 paleoceanography, 280933 280233, 280758, 280759 continental shelf, onshore geology, 400972 unconformity, 280931 organic geochemistry, terrigenous continental slope basins, Wisconsin geochemistry, Antarctica, 720438 influence, 800963 interstadial, 960706 glacial sedimentation, 280757 organic matter cooling climatic interpretation, 280763, 280765 origin, 380805 Antarctica, 710417 Goban Spur source, 380805 Miocene, 850936 chronology, 800697, 800700 Orphan Knoll, onset, 121181 Costa Rica Rift planktonic foraminifers, 800793 oxygen isotope onset, 690440 upper slope, 801195 Pleistocene, 800814 Pleistocene, 690440 grain shape, quartz, 941105 Pliocene, 901399 deposition, bottom water, 250500 Guyana Basin, 140974 Pacific continental margin, geomorphology, detritus, 360857, 360858, 360860, 360864 Iceland, 490036 350279, 350280, 350281, 350283, 350285, andesite, rhyolitic, 360858 Indian Ocean S, geologic history, 260937 350287 basalt, 360857 intraslope basins, Pigmy Basin, 960591 Pacific Ocean C, Pliocene, 850723 clast, 360857 isotopes, oxygen isotope, 800808 Pacific Ocean N clay, diatom, 360857 isotopic paleotemperature estimates, clay, 190908 crystalline metamorphic rocks, 360858 Antarctica, 710415 sedimentation, 190908 dropstone, 360858 lithologies, major, ooze, 901481 Pacific Ocean NE, regional aspects, 050623 exotic clastic material, 360857 lithology, 120169, 120372, 120694, 180241, Pacific Ocean NW feldspar, 360857 180295, 180409, 180412, 220330, 280378, eolian sedimentation, 860598, 860600, ferromanganese, 360858 290135, 290285, 290330, 310419, 350140, 860602 gabbro, chloritized, 360860 350163, 380168, 380170, 380391, 380392, geochemical history, 620802 glauconite, 360857 380400, 380453, 380525, 380657, 490124 Pacific Ocean S, eolian sedimentation granite, 360858, 360860 Antarctica, 360156 history, 920601 gravel, 360857, 360858 breccia, 120260, 120267 Pacific Ocean SE, trade winds, 920332 graywacke, 360860 clay, 120766 Pacific Ocean SW ice-rafted detritus, 360864 deposition, 47A0036, 480272 Cenozoic, 300680, 901514 iceberg, 360858 onset, 120178, 120267, 280233 oxygen isotope, 901347 metasandstone, 360860 ooze, marl, 130064 paleoceanography, 901495, 901502, 901512, metasiltite, 360860 paleoenvironment, 490036 901513 nodule, 360857 physical properties, 120169 paleoceanography, Reflector Green, 850966 nonbasaltic, nonmanganiferous pebbles, Pleistocene, 130068, 130198, 310288 paleoclimatology, estimated temperatures, 360857 Pliocene sediment, 120168 800703, 800704 ooze, diatomaceous, 360860 Pliocene-Pleistocene, 120264, 120402 paleoenvironment, 800818 plutonic rock, crystalline, 360858 pulse, 280233 paleomagnetic stratigraphy, 280879 quartz, 360857 sand, 130262 paleotemperature quartzite, 360860 sandstone, 120373 cold-water diatoms, 850941 rock fragments, 360857 sapropel, 130262 Thalassionema nitzschioides, 850937 rock types, 360858 sedimentation, 120073 Palynology (climatic indicators), 42B0489 sand, 360857, 360858 lithology, Tertiary, Pliocene, 380771 pebbles, petrography, 801040, 801041 sand, quartzose, 360858, 360864 lithostratigraphy, clay minerals, 810687 Pendragon Escarpment sandstone, 360860 Lord Howe Rise bathymetry, 800743 sandstone, arkosic, 360858 isotope stratigraphy, 901384 bottom water, 800743 sediment source, 360858 Neogene evolution, 901361 climatic results, 800742 shale, 360857 Lord Howe Rise C, Neogene evolution, 901452 Peter I Island, geology, 350343, 350356 siliceous concretions, 360857 Mediterranean Sea Pleistocene, 130262, 310288 siliceous microfauna, 360857 Ionian Basin, 131267 Pliocene terrane, 360857 Tyrrhenian, 131267 accumulation rate, 850723 volcanic, felsic, 360857 Mid-Labrador Sea Ridge, turbidites, 121186 age, 850730 volcanics, 360858, 360860 Middle America Trench, Costa Rica, 840554, Antarctic Bottom Water, 850731 diatom paleoceanography, paleoclimatology, 840555 bottom water, 850731 Antarctica, 850944 mineral and chemical composition, 38S0041 calcium carbonate, 850723 dispersal patterns, 350300 mineral, heavy, characteristics, 350300 carbon isotope, 850723 East Mariana Basin, sedimentary history, mineralogy, 350309, 38SO111 carbonate, 850723 890665 Quaternary, 130719 changing isotopic composition, 850730 eolian record, Northern Hemisphere, 920337 Miocene, Antarctica, 720986 climate, global, 850731 eolian sedimentation, 680409 Miocene changes, Antarctica, 850943 covariation, benthic/planktonic record, Northern Hemisphere, 860598, 860600, Miocene-Pliocene isotope stratigraphy 850731 860602 high latitude, 901403 faunal indices, 850730 sedimentation rate, 680411 Northern Hemisphere, 901403 Globigerinoides, 850723 erratic, 180835 Southern Hemisphere, 901403 ice, 850730, 850731 foraminifers, planktonic, Miocene to mudstone, petrology, 180912 ice rafting, 850730 Quaternary, 940822 Neogene oceanography isotopic, carbonate record, comparison, Ganges Fan, 220825 California Current, 180957 850723 Glass 379

Pliocene (Cont.) 960623 paleoceanography, 901512 isotopic composition, 850731 Quaternary nannofossils, reworking, glacier, 280219 isotopic composition enrichment, 850730 features, 800768 age, 290754 isotopic values, 850730 Quaternary, Pliocene planktonic Antarctica, glaciation, 290754 Mammoth Subchron, 850731 foraminifers, water temperature biostratigraphic zonation, Quaternary Northern Hemisphere, 850723, 850730, fluctuations, 800704 bioclimatic subdivisions, 800692 850731 radiolarians, outcrop erosions, 960650 continental shelf, onshore geology, 400973 18O, 850723, 850730, 850731 Rio Grande Rise cooling, sea level, 710418 onset, 850731 climate, 720873, 720874, 720876, 720878 general synthesis oxygen isotope, 850723 subsidence, 720969 climate, 280936 Pacific Ocean C, 850723, 850731 Rio Grande Rise N, regional setting, 250699 ice rafting, 280927 paleoceanographic data, 850723 Rockall Bank, organic matter, 810823 nearshore environment, 280933 planktonic patterns, explanation, 850731 Ross Sea, Antarctica, 291039 glacial sedimentation, temperature, 280765 Pliocene sediment, 850723 sand, quartzose, 180926, 180927 Greenland, 120077 preglacial Pliocene low variability, low source, 941103 ice rafting, sedimentation rate, 280752 isotopic values, 850730 sapropel, petrography, 130719 lithology, 280219 sea level, 850723 sea level, 710419 ice rafting, 280156 surface water, 850731 sediment, lithology, 38S0111 oxygen isotope, Miocene, 901398 timing, 850730 sedimentation, 42B0614 Pacific continental margin, geomorphology, variability, 850731 sediments, 941104 350279, 350280, 350287 Pliocene-Pleistocene Gardar Ridge, 941105 Peter I Island, geology, 350341, 350343, Atlantic Ocean N, 120953, 120959 seismic modeling, paleoceanography, 350344, 350346 biostratigraphy, 120956 conclusions, Northern Hemisphere, 850968 tongues, 280156 Bull Lake, 120961 seismic stratigraphy glacier floods, 120369, 120373 carbonate, 120953 erosion, 901334 lithology Central European-North American episodes, sea level, 901336 sandstone, 120373 correlation, 120958, 120959, 120961 Southeast Pacific Basin sandstone, volcanic, 120369 chronology, 120956, 120962 evolution, geologic, 350724, 350730, glacier, low-latitude, biostratigraphic clay, 120953 350732, 350734, 350735, 350738, 350739 zonation, Quaternary bioclimatic climate, 120956 sediment distribution, 350206, 350226 subdivisions, 800692 cycles, cold-warm, 120961 Southern Ocean, Antarctica, 291039, 291155 glass, 180935, 180940, 180941, 180942, deep-sea record, 120958, 120962 stable isotope, Miocene paleoceanography, 180943, 340616, 360871, 450507, 47A0699, detrital minerals, 120953 850745 540706, 540709, 580617, 580618, 600473, discoaster, 120956 stratigraphy, Colon Ridge, 680361 820509, 830335 discoaster extinction, 120956 stratigraphy and evolution Africa E, continental rise, 250520 European sequence, 120962 composite, 801185 A12O3, 540706, 580618 glacial stage, 120959 Goban Spur, 801182 alteration, 110873, 110874, 300487, 490601, Gulf Stream, 120956 strontium, 42B0614 490605, 490710, 511021 Gunz interstadial, 120959 Tasman Sea S, Quaternary, 901414 basement, 110874 Gunz-Mindel interglacial stage, 120959 tectonic history, Aleutian Trench, 180970 bulk chemical changes, 650648, 650650 Irvington mammal stage, 120959 terrigenous detritus, Northern Hemisphere, palagonite, 490710 Kansan Glacial Stage, 120959 860657 pillow lava, 511022, 511025 Labrador Current, 120956 Tertiary, Pliocene, 801181 plagioconite, 830302 land record, 120958 turbidite, eolian-sand, 41S0952 products, 450615, 450616, 511274, 511275, loess, 120961 unconformity, Polar Front Zone, 710467 511278, 511279, 511280, 511281, 511282 Mammoth Subchron, 120959 upper slope, autochthonous benthic remnant arc debris, 590739 Mindel Glacial Stage, 120961 foraminifers, 800733 sand, 300485 Nebraskan Glacial Stage, 120959 upwelling, 750917 siltstone, 300485 North America, 120962 Walvis Ridge, geologic evolution, 750535 temperature, 920499 Northern Hemisphere, 120958, 120962 see also ice rafting alteration, low-temperature onset, 120953 glaciation, continental basalt, 490709, 490710, 490712 Pleistocene, 120956, 120958 Antarctica, 280081, 360156 basalt, oceanic, 490710 Pliocene, 120956 history, 350008 mineralogy, 050531, 110874 Pliocene/Pleistocene boundary, 120953, general synthesis alteration minerals, trace elements, 920496 120956, 120958 circulation, circumpolar, 280938 altered rocks, basalt, 590735 Polar Faunal Realm, 120956 formation, 280939 andesite, 360871, 360873 Quaternary, 120956 ice rafting, 280927 andesite, alkalic, 180937 radiolarians, 120953 initiation, 280938 petrology, 180936, 180937 Riss Glacial Stage, 120961 offshore environments, 280935 Angola Basin, geologic evolution, 750518 sand, quartzose, 120953 isotopic paleotemperature estimates, Antarctica sea level, 120961 Antarctica, 710415 geochemistry, 350403, 350404 silica, 120953 Pacific Ocean N glaciation, 291040, 291041, 291042 silt, quartzose, 120953 Umnak Plateau, 190905 ash, 050531, 38SO1O1, 38S0102, 561029, sponge spicules, 120953 uplifting, 190905 600473, 870684, 870707, 870709 Tjornes, 120962 Pliocene, 850731 alteration, 050531 uranium, 120961, 120962 Southeast Pacific Basin, sediment basalt, 320545, 490440 Wurm Glacial Stage, 120961 distribution, 350226 bubble wall, 870681 pulse, 280233 Tasman Sea S, Quaternary, 901413 Central America, 670479, 670480, 670482, quartz, 941104 glaciation, polar 670487 sediments, 941104 Atlantic Ocean NE, stable isotope, 480477 distribution, 660692 Quaternary, Pleistocene, 801181 Cenozoic paleoceanography, 901493 geochemistry, 660689, 660691, 870700 Quaternary calcareous benthic foraminifers, oxygen isotope glass, basalt, 650479, 650480, 650482 changes, 800746 Miocene, 901397 Honshu E, 870685 Quaternary isotopic record, oxygen isotope, thermal gradients, 901401 hyaloclastite, 650479, 650480, 650482 680461 Pacific Ocean SW lamina, 320546 Quaternary nannofossil biostratigraphy, Cenozoic, 901513 mud, vitric, 600476 380 Glass

ash (Cont.) crystal fractionation, 540721 microtektite, 151031, 151032 Nankai Trough, 870684 crystallization, 460271, 460274, 460278, Mid-Atlantic Ridge, 540721 origin, 870685 460280, 820512 midocean ridge, 450507, 540708, 820408 refractive indices, 600473 dacite, 360871 mineral assemblage, 511224 sideromelane, 38SO1O1, 38S0102 dating, 370625 mineral chemistry, 550611, 550615, tachylite, 38SO1O1, 38S0102, 38SO1O3 decorated vesicles, 450551 550632, 630690 Walvis Ridge, 390528, 390534 depletion, 600607 mineral, opaque, 511434 Atlantic continental margin, mineralogy, devitrification, 540314 mineral, secondary, 340406, 511245 121137 diabase, olivine, 411104 mineralogic features, 820510 Atlantic Ocean, 450507 differentiation, 370732 mineralogy, 291103, 291104, 370729, Cenozoic sediments, 140796 dike, 830179 411103, 540695 Cretaceous sediment, 140796 distribution, 820510, 820511 MORB, 600604, 600607, 600608 Atlantic Ocean N dolerite, 450529 Na2O, 650554 grain size, 020307 East Pacific Rise, 540705, 540721 Nazca Plate, 340363 mineralogy, 431023 evolution degree, 650554 Nd isotope studies, 600607 Atlantic Ocean NC, 820509 Fe3 + /Fe2+ ratio, 820512 olivine, 600604, 650554, 820512 Atlantic Ocean NW, lithology, 110903, 110916 FeO, 540721, 600608, 650554 overall liquid trend, 650554 Atlantic Ocean SE, Cretaceous, 740767, fission track chronology, 340451, 340452, palagonite, 050533 740771, 740773, 740776, 740781 370625, 370626, 370627, 370628 parental uniformity, 540721 Atlantic Ocean W, chemistry, 460123 fluid, hydrous, 600608 Pb isotope, 820498 Barbados Ridge, basalt, 780395 fluorine, 600604 petrographic features, 820510 basalt, 050532, 150970, 151031, 180935, fractionation, 650554 petrography, 260467, 260470, 260471, 180940, 210523, 210524, 210525, 210530, fractionation, mineral, 600604 540695 240784, 240785, 260467, 260470, 260471, fractionation trends, 540721 petrology, 160626, 180935, 180936, 291103, 330895, 340189, 340220, 340605, geochemical variation, 540721 180937, 180941, 320563, 320565, 330589, 370729, 38S0101, 38S0102, 38S0106, 411104, geochemistry, 260567, 260569, 350330, 350330, 411103, 450465, 460106, 460107, 411107, 450426, 450507, 450508, 450510, 370729, 370732, 370733, 460106, 460107, 460108, 460121, 460123, 460124, 460181, 450529, 460089, 460115, 460179, 460180, 460108, 490601, 490605, 550604, 590754, 460182, 460187, 460229, 540751, 580845, 460271, 460283, 490611, 511271, 540705, 590757, 590758, 590759, 590760, 590761, 580846, 580849, 580853, 580854, 580856, 540709, 540710, 540718, 650553, 810639, 590762, 590764, 590765, 590766, 590769, 580857, 580859, 580861, 580868, 590670, 820509, 820510 590771, 590773, 590774, 590776, 590777 590672, 590673, 590675, 590677, 590678, acidic, 360871, 360873 geochronology, 411113, 411116 590679 active backarc basins (BAB), 600607 glomerocryst, 180935 phenocryst accumulation, 650554 active marginal basin environment, groundmass, 210525 Philippine Sea, 600606 600604, 600607 H20, 600604 pillow, 411107 age, 050531, 050532 hyaloclastite, 460341, 460342, 460343, pillow lava cooling selvage, 650554 A12O3, 600608, 650554 460346, 650477 pillow liquid composition, 650554 A12O3, 600604 hydrous conditions, 600604 pillow margins, 830179 alteration, 050531, 050533, 050534, hydrovolcanic origin, 38SO1O1, 38SO1O5 plagioclase, 600604, 650554, 660713, 110874, 490710, 600604, 650477, 650479, incompatible element abundances, 600608 660716, 820512 650480, 650482, 650648, 650649, 920499 incompatible element ratios, 600607 plagioclase-clinopyroxene, 540721 alteration, low-temperature, 511300 iron, 540721, 600604 plagioclase-olivine, 540721 alteration minerals, 920496 K, 600608 plagioclase-olivine-clinopyroxene amphiboles, 600604 K/Ar age, 160652, 340445, 360871, 360873, projections, 820511 andesite, 180936, 180937, 360871, 360873 380755, 380758, 380759 plate boundary, convergent, 600606 Atlantic Ocean, 370625 K/Ba ratio, 600607, 600608 plume, 600606 back arc basin lavas, difference, 600604 K/Rb ratio, 600608 P2O5, 540721, 650553 back arc basin sources, 600607, 600608 K20, 540721 potassium-argon age, 340443 back-arc basin, source difference, large ion lithophile elements (LIL), pyroclastic rock, 810749 600604, 600607 600608 pyroxene, 590693, 590694, 590698, 590702, Barbados Ridge, 780393, 780395 Lau Basin, 600604 590703, 590705, 600604 basalt, porphyritic, 340189 lavas, 460284, 460285, 460286 rare earth elements, light, 600606, basalt, trachytic, 411103 leaching, 810639 600607, 600608 basalt, transitional, 540721 LIL element, 340283, 340284, 340286 Rb, 600607, 600608 basalt, variolitic, 411103 liquid fractionation, 650553 Rb/Sr ratio, 600607 basalt, vitric, 411103 liquid variation, 650553, 650556 refractive index, 360871, 360873 basement, 260467, 260470, 260471, 460106, lithosphere, 600608 rhyolite, 360871, 360873 460112, 460121 low partition coefficient elements, 540721 Rio Grande Rise, 390357, 390537, 390539, C02, 600604 magma, 540721, 600604, 600607 390542 CaO, 650554 magnetic sulfide, 340363 Scotia Sea, 600606 Ce/Ba ratio, 600608 major element, 330895, 370729, 460182, selvage, 490611 central, 820510 510973, 510974, 510975, 511002, 511008, shard characteristics, 050531 chemical composition, 320563, 320565 511009, 511012, 511017, 600604, 600607, shards, 210525, 360875 chemistry, 450448, 450458, 460121, 640643, 650549, 810639 sideromelane, 050533, 180935, 38SO1O1, 460123, 460124, 460187, 460229, 650553, mantle, 600607, 600608 38S0102 920473, 920478 MAR, 540721 single-cooling unit pairs, 650554 chondrite, 600606 Mariana Trough, 600601, 600606 SiO2, 650554 chrome spinel, 820512 melt, primitive, 540721 Siqueiros Fracture Zone, 540705, 540721 classification by discriminant function melt, primitive initial, 820512, 820513, source, 360871, 360874 (D), 820509, 820511 820514 source composition, 540721 clinopyroxene, 540721, 650554 melting, 540721, 600606, 600607 source mineralogy, 600604, 600607 composition, 690701, 820510, 820512 mesostasis, 291103, 460283, 460285, 460286 source region enrichment, 600608 convection, 600606 MgO, 600608, 650554 spherule, 450551, 450553, 450554, 450556 cooling rind, 650554 microcrystalline matrix, 180935 86Sr/87Sr ratio, 600607 Costa Rica Rift Zone, 830145 microlite, 180935 Sr/Ba ratio, 600608 Cretaceous, 511087 microphenocryst, 180935 strontium, 600607, 600608 Glass 381

basalt (Cont.) CaO/Al2O3 ratio, 540709 stockwork-like zone, 830268, 830269 subsidence, 600606 carbonate, diagenesis, 320521 crust tachylite, 38S0101, 38S0102, 38SO1O3 Caroline Abyssal Plain, chalk, 200067, alteration, 370825 tectonic conditions, 600605 200069, 200071 basalt, 370825 tholeiite, 600604 chalk, calcite, paragenesis, 260595 preservation, 830298 TiO2, 540721, 600604, 650553 Challenger Plateau, Quaternary, 901420 crust, oceanic trace elements, 180936, 600604, 600607, chemical analyses Costa Rica Rift Zone, 830184, 830185, 820511 back arc basin, 600604 830186, 830196, 930191, 930192 transport, 360873 Mariana Trough, 600604 seawater interaction, 511171 tuff, 360873 MORB, 600604 crystal fractionation, 540709 vesicle, 450551 chemical and mineral composition, 350465 crystallization, 210525 volatile element sources, 600608 chemical variation basalt, augite-plagioclase, 450426 volatiles, 600604, 600606 A12O3, 510984 droplets, 460284, 460285 volcanics, 150970, 340605 Al, 510982 crystallization, fractional volume relationships, 450510 anorthite, 510984 basalt, oceanic, 460283, 460284, 460286 Walvis Ridge, 390528, 390534 B, 510979, 510982 melting, partial, 370543 water content, 600605, 820513 Ba, 510979 crystals, 180935 West Mariana Basin, 600604 basalt, 510979 augite, 180935 zones, 411107 calcic, 510984 olivine, 180935 basalt, alkali, 540709 calcium, 510982 plagioclase, 180935 olivine tholeiite mixing, 540709 CaO, 510982, 510984 dacite, 360871 tholeiite, 540709 chromium, 510977, 510980, 510984 Dai to Ridge, sandstone, 580609 basalt, altered clinopyroxene, 510984 deposition, origin, 600448 chemistry, 511319, 511324 Co, 510977 detrital modal analysis, turbidites, 870623 crystal morphology change, 600702 cooling, 510977 diabase, trace elements, 240784, 240785 geochemistry, 540673, 540688, 580791, copper, 510977, 510980 diagenesis 580792, 580793, 580798, 580809, 580813, europium, 510984 mineral, 47A0746 580835 FeO, 510984 Miocene to present, 690366 petrochemistry, 580791, 580792, 580793, FeO/MgO, 510981 slope sediments, 840573, 840589 580798 Fe2O3/FeO, 510980, 510982 differentiation, gravitational, basalt, petrology, 540688 glass, palagonite, 510982 370732 basement, 180937 hafnium, 510977 dolerite, 630714 alteration, 110874 iron, 510982 basalt, 630713 ash, 050531 K, 510982 Cretaceous, 450523, 450526, 450529 basalt, 050533, 050534, 411103, 490601 K2O, 510980 dissolution, 630713 geochemistry, 590743, 590747, 600654 Li, 510979, 510982 hyalobasalt, 630714 mineral chemistry, 460106, 460112, 460121 LIL element, 510982 microcrystals, 630720 petrography, 600654 magma, 510986 East Mariana Basin, sedimentary history, petrology, 180935, 180936, 180937, magnesium, 510982 890666, 890667 220419, 220428, 370695, 370696, 370700, MgO, 510982 East Pacific Rise 370701, 370702 mineralogy, 510978, 510979 basalt, 540405, 540705, 920372, 920463, basement, volcanic, mineral chemistry, nickel, 510977, 510979 920471 460106, 460112, 460121 olivine, 510977, 510979, 510982, 510984 composition, 540839 Bauer Basin, basalt, 340227 oxygen isotope, 510977 crest, 540811 Bermuda Rise petrology, 510978, 510979 lithology, 920438 basalt, 510957, 510962, 510963, 511122, plagioclase, 510977, 510982, 510984 magmatism, axial, 540837 511124, 511125, 511150, 511201, 511205, pyroxene, 510977, 510982, 510984 petrology, 540819 511206 rare earth elements, 510977, 510979 sediments, 540400, 650381 chemical analyses, 511331 Rb, 510977, 510979, 510982 tholeiite, 540706 crystallization, 511040, 511043 scandium, 510977 Emperor Seamounts, petrology, 550509, geochemistry, 511518 silica, 510982 550511, 550516, 550522, 550572, 550573, Magnetic Anomaly MO, 511129, 511132 Sr isotope, 510977 550574, 550576, 550577, 550578, 550579, oxygen, 511177 strontium, 510977, 510979 550580, 550581, 550582 plagioclase, 511055 TiO2, 510979, 510984 equatorial sediment bulge, basalt, 850974 trace elements, 511137, 511140, 511141, titanium, 510979, 510982 FAMOUS area, basalt, 460123, 460183, 511143 V, 510977, 510979, 510982, 510984, 510985 510982, 511009, 511107 biogenic sediment, diagenesis, 300446 vanadium, 510979 faults, fractures, sand-filled fracture, Black Sea, sediments, 42B0375 whole rock composition, 510986 870819 boninite Y/Zr ratio, 510979 Fe-montmorillonite, basalt, 540314 geothermometry, 600695 yttrium, 510977, 510979 FeO, 540706 mineralogy, 600691, 600694 zinc, 510977, 510980 FeO content, 580618 breccia zirconium, 510977, 510979 ferrobasalt basalt, 411107 chemistry, 950570 East Pacific Rise, 540836 Rio Grande Rise, 390539, 390542 major element, 950570 MAR, 540847 breccia, volcanic, Neogene, 630645, 630652, trace elements, 950570 ferrobasalt, oceanic, FAMOUS area, 540835 630653 clay, clay, nannofossil, 300432 ferromanganese sediment, 190630 bulk-rock compositions, 540638 clay minerals, 511271 fossils, minerals, rare and unusual, 340616 California, Gulf of, 650463 mineralogy, 140730 Galapagos Fracture Zone basalt, 640643, 640644, 640645, 650477, clay minerals, volcanic, 220731 East Pacific Rise, 540405 650530, 650635 composition, basalt, 690701 tholeiite, 540706 Campeche Escarpment, sediments, 100026 cooling rind, 370653 Galapagos Hydrothermal Mounds, 540812, CaO, 540706 chemistry, 370653 690451 CaO and alkali variation, causes, 580618 cooling unit, mineralogy, 511022, 511025, garnet, metasomatic, paragenesis, 260595 hydration, 580618 511033 gas hydrate, trench slope, 670608 magma, 580618 Costa Rica Rift Zone geochemistry, 060832, 060833, 370695, CaO content, 580618 basalt, 830223, 830235, 830250 370696, 370700, 370701, 840610 382 Glass

geochemistry (Cont.) 40K/40Ar age> Goban Spur) 800944 margins, 180941 acidic composition, 840610 least-altered rocks, chemistry, 630735, Mariana Islands, 600615 composition, 870698 630736 fore arc, 600619, 600652, 600658, 600743 deposition, 840614 limestone, stable isotope ratios, 510763 Mariana Trench, 600619 emplacement mode, 160626 lithologic, chemical stratigraphy, 510955 boninite, 600731 FAMOUS area, 370702 basalt, 510939, 510941, 510947, 510952 Mariana Trough, 600487, 600615 hydration, 840610 stratigraphy, 510947, 510949 basalt, 600601, 600602, 600650 iron, 840610 lithologies, minor, tephra, vitric, 901483 Fe/Mg ratio, 600488 K, 840610 lithology, 040246, 050017, 050170, 050205, iron, 600487 Mg/(Mg + Fe) ratio, 650535 050411, 060249, 060296, 060352, 070478, silica, 600487 mineral, secondary, 450615, 450616 070730, 070823, 100026, 100072, 100261, SiO2, 600487 mineralogical, geochemical relationships, 150218, 150337, 150408, 160154, 160155, tholeiite, 600657, 600658 370702 160156, 170288, 180033, 180040, 180289, Mariana Trough E, fore arc, 600660 petrology chemistry, 370695 190023, 190466, 190556, 210018, 210020, Mascarene Basin, volcanic sediment, 250517 plate, 840616 210037, 210059, 210060, 210106, 210372, material, shards, 850783 SiO2, 840610 220016, 220041, 220042, 220196, 230120, Mediterranean Sea, lithostratigraphy, 131034 skeletal quench phases, 370695 230297, 260160, 260161, 280020, 280084, Meiji Guyot, K/Ar age, 550679 sodium, 840610 290125, 290195, 300030, 300032, 310030, Melanesian Basin, ash, 610633, 610634 trench slope, 940616 310053, 310280, 310443, 320022, 330110, melting, tholeiite, olivine, 450516 volcanism, 840616, 840617, 870699 330306, 340025, 340086, 370028, 370042, Mendoza Rise glomerocryst, 180935 42A0237, 430205, 480179, 490163, 540756, basalt, 920537 augite, 180935 800940 characteristics, 920506 plagioclase, 180935 age, 390034 lithology, 920436 Goban Spur, evolution, 801209 ash, 130194, 130195, 140054, 190220, metal oxide, 580622, 580623 Greenland Sea, 38SO238 300071, 300075 MgO, 540706 axis, extinct, 38S0240 ash, altered, 170106 MgO content, 580618 Guadalupe Island, alteration, 630714 basalt, 160372, 160416, 170020, 170059, microlite, 180935 Guatemala, offshore sediment, 840620 170106, 220041, 250196, 260161, 260301, Mid-Atlantic Ridge, 450507, 460183, 510967 3He/4He ratio 270134, 280085, 300242, 320299, 340028, basalt, oceanic, 490710 East Pacific Rise, 870861 340087, 510047 Mid-Pacific Mountains, 200671 Mid-Atlantic Ridge, 870861 breccia, 120260 Middle America Trench, 670479, 840609 heavy metals, Cenozoic sediments, 450350 chalk, 120411 ash, 660689, 660690, 660691 Hess Rise, pyrite-marcasite, 620857 chert, zeolitic, 170250 transect, 670608 Hess Rise N clay, 120261, 140054 mineral, chemical composition, 660712, post-Jurassic, 620814, 620817 clay, zeolitic, 170020, 170264 660713 sedimentary sequences, 620760, 620766 claystone, zeolitic, 170250 mineral and chemical composition, mineral heterogeneity, 630735, 630736 devitrification, 310030 composition, 38SOO31 Horizon Tablemount, 200668 diatomite, 180034 mineral chemistry hyaloclastite limestone, 170055 basalt, 460106, 460112, 460121 alteration, 650479, 650480, 650482 ooze, calcareous, 170287 basalt, porphyritic, 450465 ash, 650477 ooze, limestone, 120411 other phases, 920440 hydration, 580623 ooze, nannofossil, 180034, 300141 plagioclase, 920440 Iceland Basin, Cenozoic sediments, 38S0073 Paleocene red sediments, 120167 mineral, secondary igneous rocks San Bias Oceanic Formation, 090452 basalt, 370825, 650646, 670551 chemical composition, 590720 sand, 190221, 370242 formation sites, 540807 chemistry, 630733 sapropel, 130194, 130195 mineralogy, 210524, 210525, 210535, 291103, geochemistry, 370653, 370654, 370660, silt, 190221 660689, 950568 370672, 370674 tuff, 310194 basalt, 370729, 38SO111, 38S0114 inclusions, 180936, 180937, 511063 unconsolidated oozes, 170051 chemistry, 480780 mineral, opaque, 180937 volcanic components, 190171 clinopyroxene, 540762 plagioclase, 511063, 511064 volcanic sediment, 170055 composition, 660689 pyroxene, 511067 volcanogenic sediment, 170267 geochemistry, 600713 Indian Ocean S, geologic history, 260930 Lord Howe Rise interstitial, intersertal material, 540744 Indian Ocean SW, iron-rich sediment, 250401 pale green laminae, 901145 mesostasis, 291103, 291104 Indian Ocean W rhyolite, 210523, 210525, 210530, 210535, mineral, 660691 basalt, 250543, 250546, 250549, 250553 210538 mineral, secondary, 600718, 800942 regional aspects, 250757 Lord Howe Rise S, volcanic components, petrology, 480775 volcanic sediment, 250515 210486, 210487 primary textures, 600710 interstitial water, interstitial water Madagascar Basin, volcanic sediment, 250523 shards, 210728 chemistry, 350419 magma, 370655, 370672, 370674, 901164 volcanics, 150970, 340605 iron, 580622, 580623 rind, 370674 Miocene, 580618 iron oxide, 580623 magma, calc-alkaline, 660700 Mozambique Ridge, volcanic sediment, 250529 isotope ratios chemistry, 660702 mud, vitric, 600473 heterogeneity, 630737 composition, 660701 refractive indices, 600473 K/cesium ratio, 630737 intermediate zone, 660700 Na2O, 540706, 580618 K/Rb ratio, 630737 pelitic layer, 660702 Nankai Trough, ash, 870695 Jan Mayen Ridge, 38S0095 magmatic fractionation, major element, Nazca Plate, basalt, 340227 Japan Trench 460181, 460182 Neogene formations, paleogeography, 42A0912 ash, 561029 major element, 590707 nepheline, norm, 540709 chalk, 200011 geochemistry, 930693 normative mineralogy, 370732 dispersed, 870921 selvage, 650560 basalt, 370729 sedimentology, 870909 major oxide abundances, 540709 rock divergence, 370729 sediments, 571213, 571255 Manihiki Plateau Norwegian Sea, 38S0238 Juan de Fuca Ridge, basalt, 540709 diagenesis, 330880 axis, extinct, 38S0240 K2O, 540706, 580618 mineralogy, 330878 ocean basin K/Arage, 360871, 360873 mantle, source, 540709 ash, 050531 Glass 383 ocean basin (Cont.) residue, insoluble, fine-grained sediment, oxides, 511070 basalt, 050533 670498 petrology, 511070, 511071, 511072 OCP Ridge Reykjanes Ridge, basalt, oceanic, 490710 phase chemistry, 511073 basalt, 540709 rhyolite, 360871 pyrite, 511075 volcanism, 540710 mineralogy, 210524, 210525, 210535 pyrrhotite, 511075 olivine, 180941 Rivera Plate, alteration, 630720 silicate, 511070 separation, 540709 rock types, 540709 sulfur, 511069 olivine-spinel, 540709 Rockall Plateau composition, 511069 ooze, calcareous, 300434 concretion, fossil polymetallic, 810702 sulfur isotope, pyrite, 340381 ooze, nannofossil, 300432 volcanogenic sediments, 480775, 480780 tachylite, 180941 ore, deposit, 540803, 540804 sand, 060729, 060730, 060731 tektite, 950565 oxygen isotope, geochemistry, 340337, sandstone tephra, 580617, 901162 340338, 350512 basalt, 320541 chemistry, 901164 Pacific Ocean E, sediments, 540322 devitrification, 580609 petrography, 901163, 901164 Pacific Ocean N, 050525 volcanic grains, 320541 SiO2, 580992 Pacific Ocean NE, grain size, 050421 sandstone, calcareous turbiditic, volcanic, source, 901166, 901169 Pacific Ocean NW 320544 thin flows, margins, 830125 clay, 200389, 200395 Sardinia, slope, 130731 tholeiite, 540709, 600657 geochemical history, 620798 scoria, 580618 ash, 050531 Pacific Ocean SE sea floor spreading, 020426 basalt, 050533 basalt, 340381 seamounts, 540709 geochemistry, 590682, 590685, 590689 convective fluid flow, 920419 sediment, lithology, 38SO111, 38S0114 magmatism, 540711, 540714, 540715 ridge flank sediments, 920417 sediment chemistry, lower part, 350430 major element, 590707 Pacific Ocean SW sedimentary facies, basalt, 670608 petrology, 180935, 180941, 590682, Eastern Marginal Basin Province, 210902 sedimentary sequence, lithology, 200727 590685, 590689 Pacific Plate, 210904 separation, 540709 tholeiite, olivine, alkali basalt mixing, tephra, vitric, 901161, 901162 shards, 360873, 360875 540709 Pacific Ocean W Shikoku Basin, 580617, 580618 Timor Trough, ash, 271011 mineralogy, 200324, 200325 A12O3 content, 580618 TiO2, 540706 volcanic rocks, 210481, 210483, 210486, basalt, 580896, 580897, 580898 total alkalies, 580618 210488, 210490 CaO, 580618 trace elements Pacific Plate, volcanic components, 210483 CaO and alkali variation, causes, 580618 composition, 540710, 540711 palagonitization, 490710 chemical composition, 580622 Cretaceous, 511087 alteration, 630734 FeO content, 580618 East Pacific Rise, 650594 Panama Basin, sediments, 690392 hydration, 580623 geochemistry, 930693 Patton Escarpment, alteration, 630713, iron, 580622, 580623 Tamayo Fracture Zone, 650594 630714 K2O, 580618 transport, modes, 360873 Peter I Island, geology, 350348, 350352 metal oxide, 580622, 580623 trondhjemite, droplets, 460283, 460286 petrographic description, inclusion, 660711 MgO content, 580618 tuff, 360873 petrography, 540738, 600731 Na2O, 580618 Neogene, 630645, 630652, 630653 inclusions, 650635 pumice, 580618 turbidites petrology, 180935, 180936, 180937, 180941, refractive index, 580617, 580618, 580622, clay, 300433 38SO1O1, 38SO1O2, 540744, 540795 580623 mineral composition, 670540 igneous rocks, 38SO1O1, 38S0102, 38SO1O3 scoria, 580618 petrology, 300424 iron oxide, 540801 SiO2, 580618, 580622 uranium OCP Ridge, 540637 tephra, 580992 ages, 340451 sideromelane, 38SO1O1, 38S0102 total alkalies, 580618 basalt, 340452 tachylite, 38SO1O1, 38S0102, 38SO1O3 shut flows, margins, 830125 distribution, 370548, 370551, 370553, phenocryst sideromelane, 180935 370555 olivine, 540655 silica, mineralogy, 140730 volcanic components, 210481, 210486, 210488 water influence, phenocryst compositions, silicate, unstable assemblages, 010543 ash, 210481, 210483 540658, 540659 SiO2, 540706, 580618, 580622 clay, nannofossil, 210483 Philippine Sea, West Mariana Ridge, 600430 SiO2 content, 580618 composition of volcanic material, 210490 Philippine Sea N, 580617 Siqueiros Fracture Zone volcanic deposit, 901185 Pigmy Basin, tephrochronology, 960685 basalt, 540605, 540607, 540705, 540706, volcanic rock, petrology, 180935 pillow lava 540709, 540717 volcanic sediment basalt, 411107 basalt, porphyritic, 540608, 540615, lithostratigraphy, 901176 mineralogy, 511022 540616 Paleocene and Eocene, 480775 plagiogranite, droplets, 460283, 460286 Somali Basin, volcanic sediment, 250519 petrography, 901176 Pleistocene and Pliocene, 580618 source, 360871, 360874 primary volcanic material, 901180 Pliocene-Pleistocene sediments, pyroclastic South Fiji Basin volcaniclastics, volcaniclastic matter, input, 810666 geology, 300622, 300623 550503, 550504 P2O5, 540706 volcanic components, 210483 volcanics, 180937 Porcupine Plain, 801197 Southeast Pacific Basin, evolution, mineralogy, 210524, 210525, 210535 pumice, 580618 geologic, 350729 Pacific Ocean C, 291103, 291104 Queensland Plateau, volcanic components, spreading center, ore minerals, 540789 petrology, 180936, 180937, 180941, 180943 210488 86Sr/87Sr ratio, 511137, 511143 volcanism rare earth elements, geochemistry, 600736, metal, alkali, 511140, 511141 ash, 050531 600738, 600739 Sr isotope Caribbean Sea, 150970, 340605 Red Sea alteration, 590720 Neogene, 47A0707 evaporites, 230835 ratio, 540709 volcanism, explosive sediment history, 230854 stable isotope, basalt, 350502 Central America, 670479, 670480, 670482, refractive index, 360871, 580617, 580618, stratigraphy, Mariana Trough, 600469 670487 580622, 580623 sulfide, 310515, 511069, 511075 Neogene, 870716 chemical composition, 580622 composition, 511069 Wake Guyots, 200678 refractive indices, 600473 Cu/Ni ratio, 511076 Walvis Ridge, basalt, 740741 384 Glass, acidic

whole-rock compositions, 540709 petrology, Siqueiros Fracture Zone, 540638 petrology, 580847 see also glass, volcanic silica, mineralogy, 140730 chemistry, 370825 glass, acidic uranium, distribution, 370551, 370552, East Mariana Basin, sedimentary history, ash, geochemistry, 870700 370554 890668 clay mineralogy, 650372 glass, fresh geochemistry, basalt, altered, 450618 geochemistry, 060833 ash, 020417 glass, chemical variation, 510982 glass, 870698 Indian Ocean W, regional aspects, 250757 igneous rocks, geochemistry, 370654 volcanism, 870700 lithologies, minor, pale green laminae, rare earth elements, geochemistry, 600738 Guatemala, trench, 670515, 670518 901484 glass, palagonitized, alteration, 630734 Hess Rise N, post-Jurassic, 620815, 620817 Pacific Ocean SW, Western Marginal Basin glass, parental, basalt, geochemistry, 590773 Iceland Basin, Cenozoic sediments, 38S0081 Province, 210903 glass, perlitic Japan Trench, sediments, 271220, 271234 southwest regional unconformities, breccia, volcanic, Neogene, 630641 mineral, chemical composition, sediments, sedimentation, 210903 crystallization, 210524, 210525, 210530 mineral composition, 38SOO31 tuff, altered, 020417 lithology, 210202 southwest regional unconformities, Wake Guyots, 200679 tuff, Neogene, 630641 devitrified, 210715 glass, hyalo-ophitic glass, pumice glass, altered igneous rocks, chemical composition, 590720 glass, volcanic, petrology, 870710, 870711 alteration, products, 450618, 810735 Sr isotope, alteration, 590720 pumice, source, 850821 basalt, 820446 glass, hyaloclastic glass, quartz-normative petrology, 590675 sandstone, 320540 basalt, sparsely phyric pyroxene, 590696 bedding, parallel, 320541 ferrobasalt, tholeiitic, 540624 Bermuda Rise, Magnetic Anomaly MO, 511130 cross-bedding, 320541 petrology, 540628 clay minerals, mineralogy, 140737 West Mariana Basin, 590607 ferrobasalt, MAR, 540847 crust, oceanic, seawater interaction, 511175 glass, hyalopilitic basaltic, 38S0116 glass, rhyolitic East Pacific Rise, sediments, 650381 glass hydrolysis ash, 490440 Emperor Seamounts, petrology, 550516 alteration, products, 810739 diagenesis, slope sediments, 840573, geochemistry East Pacific Rise, sediments, 650382 840576, 840589 basalt, altered, 450618 geochemistry, Rockall Plateau, 810739 geochemistry Rockall Plateau, 810735 glass, interstitial glass, 870698 Horizon Tablemount, 200668 alteration, products, 450615, 810733 volcanism, 870699 igneous rocks, 580659 Baja California Seamount Privince, basalt, Lord Howe Rise, rhyolite, 210524 chemical composition, 590720 630717 Panama Basin, sediments, 690392 limestone, petrography, 510756 Baja California Seamount Province, basalt, glass, sideromelane mineral, chemical composition, 660713 630716, 630718 basalt, petrology, 160620, 160626, 160633 mineralogy, primary textures, 600717 basalt chalk, calcite, paragenesis, 260595 silica, mineralogy, 140737 geochemistry, 590758 dolerite, 630713, 630715 Sr isotope, 590720 mineral, secondary, 340401 smectite, 630714 volcaniclastics, 550503 California, Gulf of, basalt, 650643, 650661 garnet, metasomatic, paragenesis, 260595 Eocene, 720957 dolerite, 630712, 630715, 630720 geochemistry, 160620, 160633 glass, basic glass interstitial,, dolerite, alteration, emplacement mode, 160626 geochemistry, glass, 870698 630713 Guadalupe Island, alteration, 630715 glass, volcanic glass, interstitial Patton Escarpment, alteration, 630713, Mariana Trough, 600494 East Pacific Rise, basalt, 920463 630714 Tonga, 600494 Emperor Seamounts, petrology, 550511, 550522 volcanic rocks, petrology, 180935 Pacific Ocean W, volcanic rocks, 210490 geochemistry glass, silicate volcanic components, composition of mineral, secondary, 450615 Pacific Ocean E, sediments, 540322 volcanic material, 210490 products, 810733 petrology, iron oxide, 540801 volcanic deposit, 901181 Guadalupe Island, alteration, 630715 glass, silicic glass, black Magdalena Bay, dolerite, 630723 Atlantic Ocean SE, Cretaceous, 740781 basalt mineral, secondary chert petrology, 160618 East Pacific Rise, 650647, 650648 mineralogy, 320443 pyroxene, 590696 Tamayo Fracture Zone, 650647 petrography, 320443 geochemistry, 160618 mineralogy diagenesis, Miocene to present, 690354 glass, chloritic geochemistry, 600719 Galapagos Spreading center, hydrothermal basalt, mineralogy, 411104 mineral, secondary, 600712 deposits, 540343 diabase, olivine, 411104 Patton Escarpment, alteration, 630712 glass, volcanic, Miocene, 411064 lithology glass interstitial,, Patton Escarpment, porcellanite chert nodule, 300241 alteration, 630713 mineralogy, 320443 limestone, radiolarian, 300241 glass, interstitial petrography, 320443 olivine, diabase, 411104 petrography, replacement, 650635 sedimentology, volcanogenic sediments, glass, devitrified rare earth elements, geochemistry, 600737 340783 alteration, remnant arc debris, 590739 Rivera Plate, alteration, 630720 glass, sodic basalt tholeiite, iron enrichment, 600705 tholeiite geochemistry, 590771 glass, magnesium geochemistry, 590690 midocean ridge, 820402, 820411 basalt, glass, 540721 petrology, 590690 petrology, 160620 Siqueiros Fracture Zone glass, spherulitic pyroxene, 590696, 590697, 590698, 590699 basalt, 540718 igneous rocks, chemical composition, 590720 clay minerals, mineralogy, 140730 basalt, porphyritic, 540608 Sr isotope, comparison suite, 590720 geochemistry, 160620 glass, magnetite, Melanesian Basin, ash, glass, subvariolitic igneous rocks, 370735 610637 dolerite, 630715 igneous rocks, chemistry, 630733 glass, palagonite Guadalupe Island, alteration, 630715 lithology, 660731 alteration, products, 450618 glass, tholeiitic Mariana Islands, fore arc, 600652 basalt basalt petrography, phenocryst, 540652 geochemistry, 590773 mineral, secondary, 511243 mineral, secondary, 511243 mineralogy, 370825 mineralogy, 370825 Bermuda Rise, basalt, 511123 Glass, volcanic 385

chemistry, glass, palagonite, 370825 Biscay, Bay of, shale, black, 480839 carbonate-free material, 920373 glass, unaltered Black Sea, sediments, 42B0386, 42B0387 sediments, 650381, 650382 Costa Rica Rift Zone, basalt, 830250 Brazil Basin Emperor Seamounts, mineralogy, 550464, crust, oceanic, Pb isotope, 820498, 820499 Recent-Eocene sedimentation, 721001 550465 dolerite, 630713 zeolite, 721005, 721006 environmental factors, 571278 Lord Howe Rise, rhyolite, 210524, 210530 burrow mottling, silt, 291053 Eocene depositional history, 950797 Patton Escarpment, alteration, 630713 calc-alkaline trend, 600495 eolian record, 920337 glass, variolitic calcareous facies, Pleistocene-Pliocene eruptive stratigraphy, 360871 basalt, chrome spinel, 690805, 690807 ooze, 291151 feldspathic sediment, mineral composition, basement, petrology, 370698 California, Gulf of, gulf mouth, 650363 200360 chrome spinel, classification, 690805, carbon, deep-sea sediments, 580745 FeO, 600495 690807 carbonate FeO and MgO content, 561030 geochemistry, 370698 diagenesis, 320522 fission track chronology, Japan Trench, glass, vitreous fossil preservation, 320899 561277 diagenesis, slope sediments, 840586 carbonate-free sediment fraction, results, fission-track etch pits, 571277 Mariana Trench, petrography, 600721 901445 fossils, minerals, rare and unusual, 340615 glass, volcanic, 340615, 360871, 411061, Caribbean Sea fractionation effects, 600494 47A0699, 490443, 490445, 560944, 560946, sediments, 150934 Galapagos Fracture Zone, East Pacific Rise, 560949, 560950, 560954, 561029, 571277, volcanic activity, 150970 540405 571278, 580618, 590603, 590604, 590605, Cenozoic sedimentation Galapagos Spreading center 590607, 600474, 600483, 600488, 600489, Bering Sea, 190892 hydrothermal deposits, 540341 600494, 600495, 670518, 670520, 810637, Pacific Ocean N, 190892 interstitial water, 540392 810639, 920599 Cenozoic sediments, lithology, mineralogy, gas hydrate, trench slope, 670605 Africa geochemistry, 450326, 450327 geochemical history, Jurassic-Cretaceous, climate, 411034, 411039, 411045 chemical composition, 870711, 870713 710406 volcanism, 411034, 411039, 411045 chert geochemistry, 060831, 060832 age, Japan Trench, 561277 carbonate, 300435 Hatton Drift, 810734 age calculation, 571277 chalk, 300435 Japan Trench, 561049 A12O3, 561030, 600495 clinoptilolite, 320447 magma, 870698 alkali, 810637 formation, 320444, 320445 major oxides, 540359 alteration, 810637, 810639, 941112, 941114 limestone, 300435 mineralogy, special features, 060831 basalt, 300483 porcellanite, 320444, 320445 Rockall Plateau, 810737 products, 810734, 810737 siltstone-carbonate cycle, 300436 grain size, 590605 sandstone, volcanic, 300485 chlorite-montmorillonite, green, 47A0699 Greenland Sea, 38S0222 andesite, 360871, 360873 clastic grains, 561008 biogenic calcareous lithofacies, 38S0218 annealing degree, 571278 clay, 300434, 860572 Guatemala arc rocks, 600495 greensand, 291053 slope sediment, 840931 arc rocks, compositional range, 600494 Pacific Ocean NW, 200389 trench, 670515, 670520, 670523, 670524 ash, 571277, 571278, 600474, 870681 clay, authigenic Hess Rise N, sedimentary sequences, 620759, chemical composition, 870684 Mariana Islands, 600471 620766 Middle America Trench, 660687 Mariana Trough, 600471 hydrothermal deposits, origin, 540417 Pleistocene sea floor, 600494 clay minerals, 901445 hydrothermal precipitate, aluminosilicate, ash, vitric, 560985 authigenic origin, 560987, 560988 920377 Atlantic continental margin mineralogy, 140731, 140734, 140737 Indian Ocean C, terrigenous components, interstitial water chemistry, 070883 stratigraphy, 860572 240682, 240685, 240690 mineralogy, 070915, 080909, 121130 clinoptilolite, Atlantic Ocean NW, 430475 Indian Ocean NW Atlantic Ocean, 590675 Cocos Plate, sediments, 670608 grain size, 250422, 250423 Atlantic Ocean C, Argentine Basin, 391115 Costa Rica Rift volcanic components, 241060 Atlantic Ocean N carbonate, 690468 Indian Ocean SW, iron-rich sediment, 250402 carbonate, 801063 chalk, 690399 Indian Ocean W clay, 481095 Cretaceous/Tertiary boundary, Aden, Gulf of, 241056 grain size, 020308 paleoenvironmental history, 740688 mineralogy, 150850 Atlantic Ocean NE, evolution, 411237 currents Somali Basin, 241049 Atlantic Ocean S, 360871 Eocene-Oligocene, 901231 terrigenous components, 240676, 240679 Argentine Basin, 391115 Miocene, 901234 inorganic geochemistry, sediments, rocks, history, 740722, 740723 Miocene-Pleistocene, 901235 Hess Rise, 620693 mineralogy, 040325 dacite, 360871 interarc basin sea floor, source, 600494 Atlantic Ocean SE deep-sea trench, sedimentary facies, 670609 interstitial water, 111004, 590628 Cretaceous, 740780 density reduction, 571278 iron, 600495 paleoenvironmental evolution, 740665 deposition iron oxide, 580622 Atlantic Ocean W, mineralogy, 040326 chalk, nannofossil, 250492, 250496, 250497 isotopic study, interstitial water, 590637 authigenic minerals, 600462 ooze, nannofossil, 250492, 250496, 250497 Japan Trench, 560944, 560946, 560949, diagenesis, 600463 origin, 600448 560950, 560954, 561029, 561030, 561049, authigenic origin, 560987 deposition, eolian, Pacific Ocean SE, 920336 561277 autochthonous sediment, Neogene, 47A0647 deposition rate, 590603 A12O3 content, 561030 basalt, 360871, 360873 detrital modal analysis, sand, 870622 ash, 561028 California, Gulf of, 650580 detrital sediment, origin, 670512 clastic grains, 561008 mineral assemblage, 511223, 511224, diagenesis, 920348 clay minerals, 560987, 560988 511225, 511226, 511227 Mesozoic, 271014 diagenesis, 561030 petrology, 590670, 590673, 590675, Miocene to present, 690349, 690363, 690366 FeO and MgO content, 561030 590676, 590678 slope sediments, 840571, 840573, 840576, geothermal gradient, 870674 basalt, alkali, 810637 840577, 840586, 840588, 840589 petrography, 561049, 561057, 561058, basalt, oceanic, Melanesian Basin, 610654 differentiation, 600495 561060 bediasite, 571278 East Mariana Basin, sedimentary history, rhyolite, 561030 biogenic components, 571278 890666 sediments, 271243 birefringence, 810639 East Pacific Rise SiO, content, 561030 386 Glass, volcanic

K2O, 600495 manganese, 291084 terrigenous, hemihalmeic components, K20, 810637 Manihiki Plateau, spherule origin, 330880 250491 K/Ar age, 360871, 360873 Marcus Island, archipelagic apron, 200053 volcanic components, 250491 Kyushu-Palau Ridge, 590603 Mariana Islands, basalt, 600488 pelagic sedimentation, 571278 Lau Basin, volcanic components, 210481 Mariana Trough, 600483 petrography, Japan Trench, 561049 lithologies, major Mariana Trough W petrology, 870710, 870711 chalk, 901480 basalt, 600489, 600490 Philippine Sea, 590603 ooze, calcareous, 901480 Mariana Trough C, 600490, 600492 lithology, 061132, 061138, 061139, 061218 lithology, 060044, 060059, 060072, 060145, Mediterranean Sea, Messinian, 130677 Mariana Islands, 600432 060146, 060172, 060197, 060198, 060223, metalliferous sediment, Eocene-Oligocene, Mariana Trench, 600435 060224, 060225, 060247, 060248, 060295, 850799 Mariana Trough, 600431 060296, 060298, 060351, 060390, 060449, Mexico, Gulf of, regional aspects, 100744 Philippine Sea W, 600429 060450, 060493, 060495, 060540, 060558, MgO, 600495 Shikoku Basin, 600419 060559, 060587, 070056, 070327, 070727, Middle America Trench, 670479 tectonic significance, 590603 100051, 100057, 100060, 100126, 100204, magma, calc-alkaline, 660699 West Mariana Basin, 600429 100301, 120321, 160057, 160154, 160234, transect, 670605, 670608, 670609 West Mariana Ridge, 600430 190556, 210024, 210108, 210200, 210201, mineral, chemical composition, sediments, phillipsite, Atlantic Ocean NW, 430475 210335, 210336, 210337, 220017, 220038, 38S0044 physical properties 220039, 220041, 220120, 220122, 220196, bulk mineral distribution, 38S0041 ash, 061218, 061219 220270, 220271, 230039, 230120, 230121, mineral distribution, 38SOO32 clay, 061132,061138, 061139 230171, 230215, 230387, 240018, 240251, mineralogic facies comparison, lithogenous Plantagenet Formation, 760775 240252, 240285, 240329, 240404, 240472, material, 810708 porcellanite 250031, 250092, 250093, 250194, 250294, mineralogy, 210724, 210725, 210726, 850781, chert, 320444, 320445 260080, 260237, 270016, 270091, 270093, 850796 clinoptilolite, 320447 270132, 270197, 270198, 280370, 280372, Miocene formation, 320444, 320445 290125, 290195, 290321, 290367, 290368, Canary Islands, 411062 pressure, 571278 290369, 300030, 310029, 310133, 310136, Cape Verde Islands, 411062 rare earth elements, 850797 310138, 310173, 310280, 310320, 310354, clay, nannofossil, 411061 alteration, 590667 310443, 320020, 320080, 320165, 320196, continental origin, 411062, 411064 trace elements, 590662, 590663, 590666 320197, 320238, 330030, 330045, 330309, glass, silicic, 411064 tuff, 590655 340113, 360020, 360148, 360261, 360262, marl, nannofossil, 411061 Red Sea, sediment history, 230861 370205, 370241, 370242, 380036, 380161, ooze, nannofossil, 411061 refractive index, 360871, 360873, 580622, 380163, 380164, 380166, 380170, 380176, phonolite, 411063 590605 380178, 380528, 380530, 380580, 380598, trachybasalt, 411062 refractive indices (RI), 590603, 590604 380600, 390147, 390239, 390241, 390333, trachyphonolitic, 411062 rhyodacite, 561030 390376, 410329, 410428, 42A0036, 42A0235, Mozambique Ridge, volcanic sediment, 250529 rhyolite, 360871, 561030 42A0237, 42A0238, 42A0327, 42A0328, mud, terrigenous Rio Grande Rise 430041, 430043, 430044, 430163, 430165, 430211, 430334, 47B0035, 480175, 480176, mud, 250455 regional setting, 390959 480177, 480179, 490026, 490027, 490029, mud, green, 250455 sediment, 720425 490105, 490232, 490237, 490343 mudstone, 250455 Rockall Plateau mudstone, green, 250455 Paleogene sediments, 810659 ash, 130122 mud, vitric, 600474 Tertiary deposits, 810670 breccia, 130227 Na2O, 600488 San Jose Canyon, alteration, 840930 chert, 170153 Nankai Trough sand, 060731 chert nodule, 300239, 300241 ash, 870695 sand, glauconitic, greensand, 291152 clay, 300134 Japan Trench, 870866 sand, turbidite, mineralogy, 050536 clay, nannofossil, 120167, 120766 Natal Basin, volcanic sediment, 250528 sandstone, source, 840931 clay, red, 120682, 120764 Neogene formations, paleogeography, sapropel Eocene, 110013 42A0909, 42A0910, 42A0912, 42A0914, Cretaceous, 620896 limestone, 170153 42A0915 Mediterranean Sea E, 42A0433 limestone, radiolarian, 300239, 300241 New Jersey Transect, stratigraphy, 950771 sea floor, 600495 Line Islands, 080623 New Zealand sediment, 560944, 560946, 560949, 560950, marl, nannofossil, 120167 Cenozoic changes, 901230, 901231 560954 Miocene, 110012 tectonics, 901231, 901234, 901235 sediment accumulation rate, 571278 mudstone, 120259 nitrogen, deep-sea sediments, 580745 sediment composition, 571278 Oligocene to Miocene pelagic sediments, Norwegian Sea, 38S0222 sediment geochemistry 120168 biogenic calcareous lithofacies, 38S0218 ooze, siliceous calcareous, 550458 ooze, marl, 130227, 130423 oxide depletions, 600489 silt, 670605 ooze, nannofossil, 490319 oxygen isotope, Pacific Ocean SE, 920559 sediment mineralogy, silt, 670605 ooze, nannofossil foraminiferal, 300203, Pacific Ocean, guyots, 620775 sedimentary facies, 670609 300233 Pacific Ocean C, 850916 sedimentary modes palagonite, 060059 Pacific Ocean E, sediments, 540322 epiclastic, 590605 physical properties, 120370 Pacific Ocean NW, 200389 eruption, 590605 Pliocene sediment, 120168 clay, 200389, 200391, 200395, 860572 eruption, submarine, 590605 Pliocene to Pleistocene sediments, 120169 Pacific Ocean SE, 920556 hyaloclastic, 590605 silt, 300134 mineralogy, 920393 transport, 590605 turbidites, 120764 mud, 920558 sedimentation, geological history, 571278 volcaniclastics, 250243 Pacific Ocean SW sedimentologic significance, 590603 Lord Howe Rise, pale green laminae, 901156 calcareous sediments, 901239 Philippine Sea, 590603 Lord Howe Rise C, Neogene evolution, Eastern Marginal Basin Province, 210904 sedimentology, 340783 901449, 901452 Pacific Ocean W, volcanic components, 210490 Mexico, Gulf of, 100708 magma, 600494 Pacific Plate, volcanic components, 210481 volcanogenic sediments, 340785 Fe/Mg ratio, 600495 Panama Basin, sediments, 690387, 690389, shards, 360875 major element, 600494 690392 silica, 590605, 600495 chemistry, 600488 particle, origin, 901226 diagenesis, 410893 shards, 850789 pelagic components, distribution, 250491 mineralogy, 140731, 140734, 140737 Glauconite 387

silt, mineralogy, 960579 accumulation, 810648 clay minerals, 38SOO15, 38SOO17, 810689 SiO2, 561030, 810637 Africa Tertiary, 291081 source, 360871, 360873, 360874 climate, 411039, 411045 clay, siliceous, 271005 South Fiji Basin continental margin NW, 410967 clay, terrigenous, 291060 geology, 300622 volcanism, 411039, 411045 authigenic minerals, 291148 volcanic components, 210483 Africa E, coast, 250681 mineral, diagenetic, 291148 Southeast Pacific Basin, evolution, Algeria, continental shelf, 42B1182, 42B1183 Whangai Formation, 291062 geologic, 350732, 350736 alteration minerals, trace elements, 920496 clay, volcanic, 220737 southwest regional unconformities, 210904 aluminum, 291094 clay stone, siliceous, 271005 spreading, basin, 600495 Angola Basin compare European outcrops, 480789 stratigraphy, Pacific Plate W, 600469 biostratigraphy, 750450 continental shelf origin, 010564 tectonic significance, 590603 clay mineralogy, 750847 coprolites, 291093 Philippine Sea, 590603 geochemistry, 750850 Cretaceous sediments, micro facies and temperature, 571278 Arabian Sea, sediment history, 230507 microfabrics, 410498 tephra Atlantic continental margin, mineralogy, Daito Ridge, mineral, heavy, 580661 petrography, 561043 121127 debris, shallow-water sediment, 41S0949 source, 901149, 901151 Atlantic Ocean deposition, Coniacian-Santonian, 720395 terrigenous material, influx, 571278 Cenozoic sediments, 140795, 140811 detrital origin, 250738, 291093 thermal annealing, 571278 Cretaceous sediment, 140795, 140811 reworked pellets, 250738 tholeiite, 810637 grain size, 040305 detrital to biogenic sediment trends, 291072 interarc basin, 600495 Atlantic Ocean N, clay, 481092 England SE, 810648 TiO2, 600489, 600495 Atlantic Ocean NW, regional aspects, 110960 Eocene, 810648, 810649 Tohoku Arc, volcanism, 870703 Atlantic Ocean SE, paleoenvironmental biostratigraphy, 810650 Tonga evolution, 740665 celadonite, 810649 island arc, 600492, 600493, 600494 Australia W, continental margin, 270578 magnetostratigraphy, 810650 volcanic, 600488 authigenic minerals, 480787 mineralogy, 810649 trace elements, partitioning, 850796 Miocene, 710365 phillipsite, 810649 track density, 571277 authigenic origin, 250738, 291093 transgression, 810650 transport, modes, 360873, 360874 autochthonous sediment, Neogene, 47A0658 Eocene depositional history, 950797 tuff, 360873, 360875 Baja California, tectonics, 641099, 641100 Eocene sediments, 220737 turbidites Balearic Plain, halite, 130709 foraminifer-rich sediments, 291094 bedding, graded, 250444 Barremian-Albian sediment foraminiferal tests, 220737 Guatemala, 840925 lithology, 800910 foraminifers, 291093, 291094 mineral composition, 670538, 670540 phyllosilicate, 800911 foraminifers, benthic, 810648 ooze, nannofossil, 300433 basement, mineralogy, 291118 formation, 291093, 810648 Valencia Basin, andesitic, 131436 bedding, laminated, 220737 genesis, 810645 volcanic sediment, diagenesis, 330801 biogenic assemblage, 250738 Rockall Rise, 810645 volcanic significance, 590603 bioclastic, shallow-water debris, 250738 geochemical history, sedimentation, 710406 volcaniclastics, 550503, 550504 Eocene, 250738 geochemistry, 060832, 060833 volcanics, composition, 600495 littoral benthic, 250738 Eh measurements, 040649 volcanism, 670518 shallow-water benthic foraminifers, 250738 Germany SW, 730630 ash, 561028 biotite, 291093, 291094 glaciation, detritus, 360857 Caribbean Sea, 150970 expansion, 291093 green, 220737 mineral evolution, 600450 Black Sea, sediments, 42B0378 green pellets, chemical mineralogy, 480788 volcanism, arc, 600494 Blake Basin, 760733, 760737, 760769, Greenland Sea, 38S0223 lava, 600494 760772, 760776 geologic setting, 38S0195, 38S0214 volcanism, pyroclastic, Paleogene, 810639 Brazil Basin other mineral components, 38S0237, 38S0238 West Mariana Basin, 590607 geochemistry, 720424 Guatemala, trench, 670516, 670518, 670524 deposition, 590603 Recent-Eocene sedimentation, 721001 gypsum, authigenic, Miocene, 710361 refractive index, 590603, 590604, 590605 burrow mottling, silt, 291052, 291053 Helmstadt, 730630 sedimentary genesis, 590605 calcareous facies, 291151 illite-montmorillonite-chlorite, 291093 sedimentologic significance, 590603 Campbell Plateau, 291151 Indian Ocean, mineralogy, 250425 silica, 590605 California, continental margin, 630758 Indian Ocean C volcanic significance, 590603 California, Gulf of, gulf mouth, 650363, authigenic components, 240682, 240685 West Mariana Ridge, 590603 650399 biogenic components, 240686 glass, 600494 Campanian sequence, 950775 Indian Ocean NE source, 590602 carbonate, 220737 Cretaceous, 220737 zeolite, 390428, 390439 Caribbean Sea, sediments, 150941 sediment history, 220723, 220763 phillipsite, 801089 casts, foraminiferal, 2201il Indian Ocean NW see also glass Cenozoic sediments, mineral composition, grain size, 250423 glass, volcanoc, Oligocene dipositional 42B0415 volcanic components, 241061 history, 950798 chalk Indian Ocean W, 241049 glass-palagonite Eocene, 220737 authigenic components, 240662, 240674, alteration, 630734 nannofossil, 220737 240679 Bermuda Rise, trace elements, 511139, 511140 chalk, micarb, 220737 deposition, 241067 86Sr/87Sr ratio chert, 300435 mineralogy, 181016 metal, alkali, 511140 clay, 020418, 291053 regional aspects, 250757 rare earth elements, 511139 burrow mottling, 291052 terrigenous sediment, 241054, 241056 glass-seawater interchange clay minerals, 291053 iron, 291093, 291094 Bermuda Rise, trace elements, 511143 green, 291053 Japan Trench, 560957 86Sr/87Sr ratio, 511143 greensand, 291053 sediments, 271229, 571251 glauconite, 010564, 220737, 250738, 291093, mica, 291053 silt, 561008 291094, 38SOO62, 38S0064, 480787, siliceous microfossils, 291053 K/Ar age 480788, 480789, 560957, 660419, 670518, clay mineralogy celadonite, 920511 710361, 730630, 810640, 810645, 810647, diagenetic history, 750865 Ross Sea, 361071 810648, 810650, 810689, 950560 montmorillonite-illite, 650369 Southern Ocean, 291037 388 Glauconite

K2O, 810648, 810650 micro-oxidizing environments, 220737 preglacial sediments, 280760 limestone, Campanian to Maestrichtian, micronodule, manganese, 291085 pyrite, 220737 220737 microtektite, Eocene, 151032 Rio Grande Rise N, regional setting, limestone, carbonaceous, Cretaceous, mineral and chemical composition, 38SOO32 250690, 250693 800888, 800893 mineral composition, 38SOO31 Rockall Plateau, volcanogenic sediments, lithology, 040081, 040098, 040222, 060588, mineral, chemical composition, sediments, 480775 120321, 130148, 130494, 150021, 150218, 38S0044 Rockall Rise, 810645 150302, 150368, 160057, 160155, 160156, mineral composition, 38SOO31 genesis, 810645 170288, 210201, 210274, 210336, 210337, mineral distribution, 38S0032 sand, 020418 210375, 220039, 220120, 220122, 220215, mineral, heavy, 580661 lower fan channel, 960512 220271, 220272, 230040, 230041, 240395, mineralogy, 250425, 250427, 250428, 250429, sand, glauconitic, greensand, 291152 240404, 250092, 250145, 250243, 250265, 250430, 38S0111, 38SO137, 540343 sandstone, 320542 250294, 260027, 260160, 260161, 260237, basement, 291118 fossils, 320540 260283, 260284, 260285, 260299, 260363, calcite, 250427 source, 840931 260364, 270091, 270197, 270198, 270199, carbon, 250427 sapropel, Cretaceous, 620898 270282, 270283, 280219, 290022, 290039, carbonate, 250427 sediment, lithology, 38S0111, 38S0120 290040, 290046, 290047, 290048, 290125, clay, 250427 sediment composition 290195, 290228, 290230, 290273, 290275, clinoptilolite, 250427 sand, 960479 290320, 290368, 300180, 310136, 310280, development, 250430 silt, 960479 310354, 350031, 350067, 360031, 360032, feldspar, 250429 sedimentation rate, 291094 360091, 360093, 360095, 360212, 360214, formation, 250430 biotite, 291094 360261, 360262, 370241, 38SOO15, goethite, 250427 detrital origin, 291094 38S0017, 380027, 380120, 380161, 380163, Indian Ocean, 250425, 250543 shale, black, Biscay, Bay of, 480894 380164, 380166, 380170, 380172, 380173, K-feldspar, 250427 silica, 291093 380176, 380178, 380391, 380528, 380530, montmorillonite, 250427 silicon, 291094 380580, 390032, 390051, 390147, 390149, morphology, 250429 silt, light fraction, 561008 390150, 390235, 390239, 390240, 390376, paleontology, 250427, 250428 silt, quartzose, 020419 400043, 400047, 400366, 410170, 410171, petrology, 480775 silt, terrigenous, 291060 410329, 410427, 410428, 430159, 430160, phillipsite, 250427 authigenic minerals, 291148 430161, 430163, 430333, 440075, 47A0027, pyrite, 250427 mineral, diagenetic, 291148 47B0035, 480132, 480133, 480135, 480175, Whangai Formation, 291062 480176, 480177, 480178, 480179, 480180, quartz, 250427 SiO , 810647 480221, 480222, 480225, 480226, 490026, sand, 250429 2 smectite, 480789 490104, 490105, 490342, 490393, 500041, sediment history, 38S0120 South Tasman Rise, potassium-argon age, 500042, 500043, 500126, 500127, 500128, stratigraphy, 250425 500131, 510363 structure, internal, 250430 291037 Miocene, 810645, 810648, 810650 Southern Ocean, 291093 Cenozoic deposits, 47B0047 age, 810648 K/Ar age, 291037 chalk, 120411 mineralogy, 810646 sediments, 291093 chert, calcareous, 180033 volcaniclasts, 810646 southwest regional unconformities, 210703, diatomite, 180034 Mississippi Fan, sediment, 960432 210705, 210713, 210715 foraminifer-bearing siliceous, 360031 Mossbauer spectroscopy study, 950645 subaerial exposure, 480787 limestone, 120053 Eocene, 950644 submarine ridge, 480789 marl, zeolitic, 140297 Fe, 950643 subsidence, tectonics, 750853 mineral, heavy, 100092 Mounds Hydrothermal Field, chemistry, 540408 tephra, 901162 Miocene, 110012 Mozambique Ridge, volcanic sediment, 250529 terrigenous detritus, 810648 Neocomian-Tithonian, 110057 near shore environment, 280938 terrigenous minerals, mineralogy, 250436, ooze, calcareous, 170287 Neogene formations, paleogeography, 42A0914 250437 ooze, chalk, 120048 New Jersey Transect, stratigraphy, 950767, Timor Trough ooze, diatomaceous, 140164 950772 limestone, dolomitic, 271011 ooze, limestone, 120411 Ninetyeast Ridge, dolomite, 220478 ooze, foraminiferal, 271011 ooze, nannofossil, 180034 Norwegian Basin, Oligocene-Miocene, 38S0071 ooze, nannofossil, 271011 oozes, 120683 Norwegian Sea, 38S0223 turbidites, bedding, graded, 250444 paleoenvironment, 490115 geologic setting, 38S0195, 38S0214 volcanic sediment, Paleocene and Eocene, Pleistocene, 110317 other mineral components, 38S0237, 38S0238 480775, 480776 Pliocene-Miocene sediment, 110141 ooze, calcareous, 220737 volcaniclastics, volcaniclastic matter, Quaternary-Tertiary, 110225 ooze, foraminiferal, 271009 550504 sandstone, quartzose, 140164 ooze, nannofossil, 291094 volcanism, pyroclastic, Paleogene, 810638 shallow-water conditions, 240395 ooze, siliceous, 291094 Voring Plateau, mineral composition, 38SOO31 silt, 120047 organic geochemistry, 630837, 640877 glauconite, authigenic, 710361, 810698 Tertiary, 110109 Pacific Ocean NE, cruise synthesis, 151090 Falkland Plateau, 710361 turbidites, 120683 Pacific Ocean SW, unconformities, 210705, lithology, 290230 lithology, Tertiary, Eocene, 380765 210715, 280703, 280713 sediments, Southern Ocean, 291093 lithostratigraphy, 810689 Paleocene sediments, 220737 Southern Ocean, sediments, 291093 Lofoten Islands, Oligocene-Miocene, 38S0071 Patton Escarpment, 630937 glauconite nodule, lithology, 290227, 360033 Madagascar Plateau, 250738 pebbles, petrography, 801040 glauconite-celadonite, geochemistry, 540372 Eocene depth, 250738 petrology, 810648 glauconitization, 660419 Eocene to Miocene hiatus, 250738 clay, 960502 Angola Basin, clay mineralogy, 750847 epeirogenic movements, 250738 sand, 960498 Atlantic Ocean N, clay, 481095, 481096 Miocene to Quaternary depth, 250738 silt, 960502 glaucony, 660420, 660427 ridge subsidence, 250738 phyllite, 480789 smectite, K, Fe, 540308 volcanic sediment, 250524 plagioclase, sodic, 480789 crust, oceanic, 540308 magnesium, 291093, 291094 planktonic foraminifers, 291093 volcanic sediment, petrography, 480773 manganese, 291084 potash, 810648 glaucony, 660419, 660427 Mazagan Escarpment, 790906 potassium, 291093, 291094 accumulation depth, 660419 Mazagan Plateau, 790395 potassium-argon age, 291037, 361071, Central America, 660423, 660424, 660425 Mexico, Gulf of, regional aspects, 010640 810648, 810650 authigenic, 660424 Goban Spur 389

Central America (Cont.) basalt, oceanic, mineral, secondary, 610648 360895, 360905 chemistry, 660426 gneiss, 360877, 360893, 360897 Goajira Peninsula, 151100, 151105 coprolites, 660424 Atlantic Ocean SW, basin, evolution, 360996 Goba, Rio Grande Rise N, regional setting, isotopes, 660426 Australia W, continental margin, 270584 250689 reworking, 660426 basement Goban Fault, 801155, 801158, 801164 Chatham Rise, 660420 Alboran Basin W, 130753, 130755 Goban Spur, 480289, 481048, 481050, 481053, depth of genesis, 660420, 660421, 660427 geochemistry, 360897 481059, 720737, 720738, 720757, 800005, Monterey Bay, 660421 petrology, 360893, 360894, 360895, 360896 800006, 800007, 800010, 800033, 800055, North America, Pacific continental margin, biotite-plagioclase, 130755 800123, 800155, 800160, 800163, 800251, 660421 Alboran Basin W, 130755 800284, 800285, 800286, 800287, 800288, Pacific Ocean E, 660419 calcareous core zone, 360906, 360909 800357, 800367, 800389, 800390, 800398, Scotia Ridge, 660420 climatic significance, 360908 800405, 800415, 800417, 800419, 800423, subsidence, 660427 geochemical effects, 360908 800426, 800439, 800456, 800489, 800526, glaucophane Cenozoic sediments, mineral composition, 800539, 800573, 800579, 800596, 800613, Black Sea, sediments, 42B0389 42B0413 800629, 800630, 800633, 800643, 800644, Caribbean Sea, sediments, 150937 Falkland Plateau, basement, 360893, 360894, 800653, 800663, 800678, 800692, 800725, Ganges Fan, sand, 220711 360895, 360897, 360900, 360902, 360905, 800726, 800733, 800745, 800757, 800761, lithology, 130267, 150279 360906, 360910 800768, 800786, 800793, 800805, 800817, sandstone, 400069 Falkland Plateau E, sedimentation, 360877, 800818, 800823, 800830, 800847, 800848, shale, 400069 360878 800849, 800851, 800853, 800854, 800863, Mediterranean Sea, lithostratigraphy, 131031 geochemistry, 360896, 360897 800876, 800885, 800939, 800949, 800967, mud, 870913, 870916 nature of sediment, 360901 800969, 800970, 800972, 800975, 800983, Nankai Trough geological history, 360910 800987, 801003, 801006, 801027, 801032, turbidite, 870913 regional comparisons, 360910 801063, 801081, 801110, 801120, 801123, turbidites, 870916 Goban Spur, continental margin, 801158 801124, 801125, 801127, 801130, 801132, Wharton Basin, sand, 220711 Indian Ocean S, 280772 801133, 801136, 801137, 801141, 801143, Glen Ross Formation, 100710 K/Ar age, 360923, 360924, 360925 801145, 801155, 801158, 801161, 801162, Glendola Well, New Jersey, 930703 lithology, metasedimentary, 360215 801169, 801179, 801180, 801184, 801187, glilandite, Indian Ocean W, mineralogy, major element, 360897 801188, 801189, 801190, 801191, 801193, 801194, 801195, 801198, 801200, 801201, 42B0457 Mazagan Escarpment 801202, 801204, 801206, 801208, 801209, glomerocryst, 340272, 340273, 340274 K/Ar age, 790543 801212, 801219, 801242, 801249, 810005, Angola Basin, geochemistry., 751100 petrography, 790543 810235, 810544, 810790, 950453, 950494, basalt Mediterranean Sea, lithostratigraphy, 131038 950763, 950805 chemistry, 540683 metamorphic rocks abyssal plain, 800695 crystallization, 920467 Alboran Basin W, 130753, 130755, 130759 carbonate, 800696 dolerite, 450437, 450441 petrography, 130753, 130755, 130759 climatic subdivisions, 800696 geochemistry, 590757, 920450 Mexico, magmatic episodes, 660727 accumulation rate, glaciation, 800786 glass, 180935 mineral composition, 360902 alteration, thermal, thermal immaturity, mineral chemistry, 550611, 550627, basement, 360893, 360894, 360895, 360902, 550629, 550630 360905, 360906 800974 petrology, 450463, 450464, 540751 biotite, 360894, 360902 ash, stratigraphy, 800845 basalt, aphyric, 650635 feldspar, potassium, 360895, 360906 Atlantic Ocean basalt, phyric, 650636 garnet, 360904 carbonate, 801055 clinopyroxene, 650636 plagioclase, 360894, 360906 margin, 481101 olivine, 650636 tourmaline, 360895, 360905 Atlantic Ocean N basement, petrology, 370695, 370698 muscovite-granodiorite, 130755 carbonate, 801063 crystallization, 180935 Alboran Basin W, 130755 model, 801006, 801007, 801008, 801009 dolerite, 450441 pebbles, petrography, 801040 organic facies, 800969 dolerite, Cretaceous, 450441 petrology, 360893 Paleozoic, 801110 East Pacific Rise, lithology, 920438 fabric, 360895 Atlantic Ocean NE, 800863 geochemistry, 650535 igneous rocks, 130753, 130755 climate, 800805 petrology chemistry, 370695 microsyenite, 360896 Cretaceous, 800863 plagioclase, 650535 , 360895 Quaternary nannofossils, 800767 plagioclase-olivine, 370698 sand, 960498 Barremian synrift, 800927 glass, 180935 vein, intrusive, 360896 petrography, 800927 augite, 180935 plagioclase, basement, 360894, 360906 basalt plagioclase, 180935 quartz-feldspar, 130753 porosity, 800426 igneous rocks, chemical composition, 590720 Alboran Basin W, 130753 thermal conductivity, 800425 Melanesian Basin, igneous complex, 890672 Rb-Sr age, 360923, 360924 basement, 801169 Mendoza Rise Ross Sea, basement, 280865, 280866 morphology, 801153, 801164 basalt, 920460, 920537 Ross Sea SC, 280771 Paleozoic, 800677 lithology, 920436 silicate, silica, 291066 structure, 801153 mineral chemistry trace elements, chemistry, 360897 subsidence, 801169 basalt, porphyritic, 450463, 450464 turbidites, source areas, 250454 thermal conductivity, 800425 plagioclase, 920440 gneiss, calc-silicate benthic foraminifers, climate, 800726 phenocryst glaciation, onset, 280758 bentonite, 800847 Cr-Al spinel, 540656 glauconite, potassium-argon age, 361071 biostratigraphic "events", absolute age, water influence, phenocryst compositions, lithology, 280220 801172 540662 Ross Sea, basement, 280861, 280862, 280864, biostratigraphic zonation plagioclase, 180935, 340272, 340273, 340274 280865, 280866 Pliocene-Quaternary, 800687 Siqueiros Fracture Zone, basalt, gneiss, garnet Quaternary bioclimatic subdivisions, porphyritic, 540608, 540615 lithology, 480221 800692 Sr isotope, 590720 Ross Sea, basement, 280865 biostratigraphy, 801169 glutamic acid, amino acid, nonprotein, 680477 gneiss, labradorite, basement, Alboran Basin age estimates, 801172 gmelinite W, 130760 magnetostratigraphy, 801172 basalt, petrology, 330589 gneiss, pelitic, Falkland Plateau, basement, Biscay, Bay of N 390 Goban Spur

Biscay (Cont.) ooze, nannofossil, 800693 kerogen, combustion, 800993 continental margin, 481028 Pliocene sediment, 800693 lithology, 800392, 800393 margin, 801136 Pliocene-Quaternary sediments, 800693 basalt, 800940 Biscay, Bay of, 801169 sedimentation rate, 800693 magnetic anomaly, 800392, 800394, 801115, continental margin, 481028 copper, native, 800851, 800852 801141 margin, 801137 Cornwall, submarine extension, 801169 modeling, 801141 bottom water Cretaceous basic biostratigraphic magnetic polarity sequence, 801169 flow, 800420 framework, 801169 magnetite, 800419 temperature, 800424 Cretaceous sediments, organic matter, 800983 magnetostratigraphy, 800405, 801169 C/N ratio, 800993 crust, 800427 major element, composition, 800940 carbon isotope, benthic foraminifers, 800814 heat flow, 800426 margin carbonate datums, ages, 800784 evolution, 800427 Tethys, 801055 deposition, Cretaceous, 800863, 800864, thermal regime, 800427 trace elements, 801055 800865, 800866, 800867, 800868, 800870, microfaunal, stable isotope evidence, 800817 Cenomanian-Turonian, 800979 800871, 800876, 800877 mineral, diagenetic, silica minerals, accumulation rate, 800979 diagenesis diagenetic, 801085 anoxia, 800979 burial, shallow, 800853 mineral geochemistry, upper slope Cenozoic Atlantic Ocean N, 800979 silica, 801081 sediments, 801019 biogenic siliceous material, 800979 Eocene, 800394, 800419 mineralogy, 801026, 801042 CaCO3, 800979 Eocene, lower/middle boundary, 801172 abyssal plain deposits, 801031 carbon, organic, 800979 Eocene/Oligocene boundary, 800394 accumulation rate, 801032 carbonate, 800979 Europe NW, continental margin, 801187 Africa, 801027 carbonate, biogenic, 800979 evolution, 801187, 801198, 801212, 801213 Antarctica E, 801032 carbonate compensation depth, 800979 postrift sedimentation, 801204, 801205, Arctic organic matter, 800979 801206, 801207, 801208, 801209, 801210, Atlantic Ocean, 801026 oxygen minimum zone, 800979 801212 Atlantic Ocean N, 801031 pyrite, 800979 rifting, 801201, 801202, 801203, 801212, Atlantic Ocean NE, 801032 sea level, 800979 801213 Atlantic Ocean S, 801032 upwelling, coastal, 800979 fault block, tilted, half-grabens, 801169 authigenic processes, 801026 zeolite, 800979 fault, listric normal, 801169 Biscay, Bay of, 801027 Cenozoic biostratigraphic framework, 801169 foraminiferal subdivisions, 801169 bottom water, 801031 Cenozoic strata, 801019 geochemistry, 801019, 801033, 801034, carbonate, 801031 Cenozoic time scale update, 801172 801038, 801039 chlorite, 801027, 801032 Cenozoic-Cretaceous sediments, mudstone, abyssal plain sediment, 801039 clay, 801026 black, 800980 Al, 801033 clay minerals, 801026, 801031, 801032 chalk, 800392, 800397 calcium, 801033 climate, 801027, 801032 diagenesis, burial, 800853 calcium-Sr covariance, 801034 climatic changes, 801031 chalk, nannofossil, 800392, 800397 calcium-Sr residual variance, 801034 colder climatic mineral zones, 801031 chronology carbonate, 801033, 801034 continental detritus, 801027 Arctic fauna occurrence, 800700 clay, 801039 continental margin deposits, 801027 Hatton-Rockall Basin, 800700 continental margin, 801039 Cretaceous, 801249 inter glacial stage, 800697 Eocene sedimentation conditions, 801039 diagenesis, 801026 Jaramillo Subchron, 800700 Fe, 801033 erosion, 801026, 801031 micropaleontology, 800697 illite, 801039 geochemistry, 801042 Olduvai Subchron, 800700 inverse variation, 801034 hydrodynamic events, 801031 Pliocene sediments, 800700 K, 801033 illite + chlorite/smectite ratio, 801027 Pliocene-Quaternary transition, 800700 limestone, 801034 illite, 801032 postglacial period, 800697 lithology, 801034, 801038 mineral, primary, 801027 Quaternary microfauna characteristics, magnesium, 801033, 801034 mineral, secondary, 800943 development, 800703 manganese, 801033, 801034, 801038 Miocene, middle/upper boundary, 801032 sedimentation rate, 800703 Miocene sedimentation, 801039 Northern Hemisphere, 801032 surficial hydrological environment, 800700 mud, 801039 petrography, 801042 continental margin, 481028, 481042, 481044, Paleocene, Eocene, Pleistocene sediments, plagioclase, 800942, 801027 481045, 481047, 800427, 801115, 801117, 801033 Pliocene mineralogical changes, 801032 801131, 801153, 801156, 801157, 801164, sodium, 801034 Portugal, 801027 950562 Sr, 801033 Pyrenees, 801027 geologic evolution, 800427, 801122, upper slope, 801039 quartz, 801031 801124, 801125, 801126, 801127, 801128, variations, 801033 Rockall, 801027 801130, 801131, 801132, 801156, 801157, geologic evolution, Europe NW, 801187 Rockall Rise, 801032, 801033 801158, 801161, 801162, 801164, 801166 geologic history, geologic evolution, 801187 smectite, 801027, 801032 morphology, 801153, 801155, 801156 geologic setting, environmental history, spinel, 800940, 800941 regional geology, 801115, 801137, 801138 800983 terrigenous input, 801032 sediment-starved, 801169 geology, regional, 801103, 801115 upper continental slope, 801020, 801027 structural evolution, 481042, 481044, geothermal measurements, 800423 volcanic basic parent rocks, 801027 481047, 481050, 481053, 481059 glacial cycles, deep-sea environment, 800809 Miocene, 800647 thermal regime, 800427 glaciation, calcareous phytoplankton, 800786 morphology, 801153 continental slope, 800553, 800693, 800738, gravity anomaly, 801141 nannofossil zonations, 801169 800867 modeling, 801143, 801145 New Jersey Transect, 950808 Brunhes Chron, 800693 half-graben axes, 801169 nitrogen, 800993 Brunhes/Matuyama magnetic reversal, 800693 heat flow, 800423, 800426 nitrogen, inorganic, 800993 carbonate, 800693 hydrocarbon, C15-C26, mudstone, black, exchangeable ammonia species, 800996 clay, reddish, 800693 800974 nitrogen, organic, 800993, 800996 fauna, cyclic variations, 800693 inorganic geochemistry, mudstone, black, exchangeable ammonia species, 800996 Jaramillo Subchron, 800693 801079 NRM, 800390, 800392, 800396, 800397, Olduvai Subchron, 800693 interstitial water studies, 801047 800406, 800419, 801169 ooze, calcareous, 800693 40K/40Ar age, basalt, 800944, 800945, 800946 oceanic anoxic event, Atlantic Ocean N, Goethite 391

oceanic anoxic event (Cont.) grain alignment, 800415 stratigraphy and evolution, 801184 801006 magnetic anomaly, 800392, 800394 subsidence, postrift, 801133, 801134 ooze, nannofossil, 800393, 800394, 800417 magnetic polarity, 800389 Tertiary, Paleocene, 801177 opal-CT, lattice ordering, 801089 magnetic quiet zone, 800393 zeolite organic geochemistry, 800949 magnetic susceptibility, 800415 clinoptilolite, 801089 accumulation rate, 800961 magnetostratigraphy, 800405 phillipsite, 801089, 801090 black-colored sediments, depositional mineralogy, 941097 goethite, 340616, 580685, 730673, 920598 model, 800966 NRM, 800390, 800392, 800396, 800406, alteration, products, 450615, 450617 Cenomanian sediment, 800964 800419 alteration, low-temperature, 340423 Cenomanian-Turonian black sediments, Paleocene, 800394, 800419 amorphous ferric hydroxide, 920348 800964 paleomagnetic remanence, 800416 amorphous ferric hydroxide ratio, 920348 marine influence, 800963 porosity, 800426 Fe-Mn oxyhydroxide ratio, 920348 paleoenvironment, 800962 synrift deposits, 800419 Antarctica petroleum generating potential, 800967 thermal conductivity, 800424, 800426 geochemistry, 350405 upper slope, 800949, 800950 transport, 800420 mineralogy, 350749, 350750 western edge, 800956, 800959, 800961 unconformity, 800419 Atlantic continental margin, mineralogy, oxygen isotope volume susceptibility, 800390, 800397, 080907, 080908, 080909, 090743, 090773, carbon isotope, 800793, 800802 800406 100337, 100729, 100784, 110784 Quaternary benthic foraminifers, 800814 seismic unconformities, 801169 Atlantic Ocean Paleocene, 800394, 800419 seismostratigraphy, continental margin, geochemistry, 47B0434 paleoenvironment, 801169 801117 mineralogy, 47B0434 deep-water environment, 800818 silica, diagenesis, 801081, 801090 Atlantic Ocean NW, lithology, 110928 Polar Front, 800818 silicified sediment, 801081, 801082 Atlantic Ocean SE, paleoenvironmental surface water, 800818 stable isotope analysis evolution, 740672, 740673 paleomagnetic interpretations, oxygen isotope, 800796, 800797, 800801 basalt biostratigraphic subdivisions, 801169 planktonic foraminifers, 800794 alteration, 920512 Paleomagnetism, 800389, 801169 Pleistocene surface temperature changes, mineral, secondary, 340398, 340417, 340423 Pendragon Escarpment 800801 basalt, alkali andesine, mineral petrography, Barremian synrift sediments, surface water, 800797 composition, 180943 800927 stratigraphy Blake Basin, 760687, 760690 physical properties, 800387, 801219 Quaternary time scale, 800817 breakdown, 730669 Pleistocene, 800394 seismostratigraphy, 801123 Caribbean Sea, sediments, 150937 Pleistocene base sediments, weak stratigraphy and evolution chemical and mineral composition, magnetization, 801169 composite, 801184, 8011135 mineralogy, 070965 Pliocene, 800390 upper slope, 801182 chert polarity reversal, 800390, 800393, 800394, stream incision, 801169 geochemistry, 620715 800404 subsidence, 801169 petrology, 620715 polarity time scale, 800397, 800405 postrift, 801133, 801134 clay minerals, Cretaceous and Cenozoic, polymetallic crusts, diagenesis, 800823 synrift deposits, 800419 480705 Porcupine Plain, 801169 synrift sediments, 801169 claystone, basalt, 550707 postrift sediments, 801169 temperature, 800423 Costa Rica Rift Zone, basalt, 830307 Albian, 801175 thermal conductivity, 800424, 800426 Cretaceous/Tertiary boundary depositional environments, 801169 basalt, 800425 mineralogy, 620851 present-day hydrological framework tholeiite, geochemistry, 800946 paleoenvironmental history, 740687 present-day species, 800794 tholeiite, oceanic, 800939 Daito Ridge, 580685 salinity, 800794 topography, 801169 deposition Pyrenean Orogeny, 801153 trace elements, 801055 chalk, nannofossil, 250495 Quaternary, surficial sediments, 801181 transport, downslope, 800420 ooze, nannofossil, 250495 Quaternary sediments, 800683 unconformities, 801173 diagenesis, amorphous RSO particle ratio, regional geology upper ridge, 800764 920349 acoustic basement, 801192 upper slope, 800762, 800764, 801195 East Pacific Rise continental margin, 801115 volcanism, 800419 crest, 540812 physiography, 801188 zeolite, clinoptilolite, 801089 sediments, 850791 regional gravity, geomagnetic patterns, see also Pendragon Escarpment FAMOUS area, mineralogy, 370896 801191 Goban Spur N ferromanganese sediment, 190630 regional structure, 801189, 801190 Goban Spur volcanics, 190634 seismic reflections, 801115 continental margin, 801158 fossils, minerals, rare and unusual, 340616 seismostratigraphy, 801191, 801193 evolution, 801201 geochemistry, 620851, 810715 structural setting, 801115 regional geology, 801189 mineral, secondary, 450615, 450617 regional tectonics physiography, 801189 mineralogy, 620851 continental margin, 801153 Goban Spur S glauconite, mineralogy, 250427 deformation, 801155 regional geology, 801188 Gulf of Mexico, mineralogy, 100337 rift, 801213 physiography, 801188 hydrothermal sediment, composition, 920608, rifting, 800420, 800423, 800427 Goban Spur W 920609 sandstone, thermal conductivity, 800425 Goban Spur Indian Ocean NE, Cretaceous, 220737 seaward edge, 801192, 801197 continental margin, 801130, 801131, 801132 Indian Ocean W Turonian-Campanian unconformity, 801197 evolution, 801203 basalt, 250543, 250546 sediments silicified sediment, 801082 mineralogy, 130608, 160530, 170518 AF demagnetization, 800390, 800393 inorganic geochemistry, 801073 iron oxide, 220737 anisotropy, 800416 mudstone, black, Cenomanian-Turonian, 801079 iron-rich sediment biostratigraphic zones, 800390, 800392, opal-CT, lattice ordering, 801089 claystone, 330835 800405 organic geochemistry, Cenomanian-Turonian sandstone, 330835 bioturbation, 800417 black sediments, 800964 lithology, 110228, 260237, 310029, 310052, deposition, 800417, 800419 seismostratigraphy, 801117 310173, 330030, 330112, 360095 Eocene/Oligocene boundary, 800394 acoustic basement, 801120 ash, 130194, 260161 geothermal gradient, 800424, 800426 silica, diagenesis, 801095 clay, nannofossil, 120167 392 Goethite-lepidolite

lithology (Cont.) trace elements, 450545 Gondwanian Orogeny, Atlantic Ocean SW, basin, Cretaceous-Eocene, 110225 ultramafic rocks, 370577, 370578 evolution, 360998 diagenesis, 490245 gold/Ir ratio, mafic rocks, 370577, 370578 Gondwanide Fold Belt, 360226 limestone, 120053 Golden Lane Reef, 110893 Atlantic Ocean SW, basin, evolution, marl, nannofossil, 120167 Bahama Islands, geology, 110893 360998, 361000 Mesozoic units, 480049 Blake Spur S, Blake Spur, 440337 Gorda Ridges, 050165, 050171, 050203, 050539, mudstone, 120259 Mexico, 770071, 770397 050582, 050629, 050750, 180005, 180935, Paleocene red sediments, 120166 Poza Rica de Hidalgo, 770291 180940, 340192, 340345, 540825, 650315, sapropel, 130194 Golfo Dulce, Costa Rica SW, 840534 690647, 690648 Madagascar Plateau, volcanic sediment, Gondwana, 151077, 220003, 220005, 220407, comparisons, other volcanic provinces, 250524 220411, 220816, 230384, 250141, 250540, 540824 metalliferous sediment 250663, 260009, 260281, 260359, 260909, Juan de Fuca Ridge, 090917, 090921 Eocene-Oligocene, 850798 260945, 270015, 270571, 270698, 270703, oceanic plate, 180214, 180910, 180980 mineralogy, 340787 280828, 280831, 280888, 280938, 290020, Pacific Ocean EC, geologic history, 090917, mineral composition, basalt, alkali 350025, 350287, 350724, 350736, 360043, 090921 andesine, 180943 360848, 360867, 360886, 360888, 360909, Pacific Ocean NE, regional aspects, 050622, mineral, secondary, 920507, 920508 360923, 360987, 360988, 360990, 38S0682, 050629 abundance, 920508 400030, 400033, 400920, 400965, 400970, Pacific Ocean SE, Pb isotope, 920399 diagenesis, oxidative, 340423 42A0943, 480916, 510904, 710024, 710281, Gorringe Ridge, 130581, 130595, 130606, elemental composition, 920511 710287, 710288, 710295, 710741, 720960, 130666, 130829, 131021, 131033, 131038, mineralization, secondary, 540810 720962, 750522, 760887, 801200, 901336 131047, 131075, 131137, 131343, 140871, mineralogy, 330542, 540343, 850782, 850795 Antarctica, 291119 140878, 38S0781, 47B0028, 47B0659, amorphous RSO particle ratio, 920349 Atlantic Ocean N, Paleozoic, 801108, 801109 490407, 500360, 500363 crystallinity, 920347, 920349 Atlantic Ocean SW, basin, evolution, Alboran Basin, 130581 crystallinity index, 920347, 920349 360998, 360999, 361000, 361001 amphibolite, metamorphism, 130750 Fe-hydroxide phase, 920349 Australia, 291119 anhydrite, compressional wave velocities, Mounds Hydrithermal Field, chemistry, 540408 basement, main features, 801111 130595 mud, terrigenous, diagenesis, 250456 breakup, 260007, 260918, 270149, 360207, Atlantic Ocean NE, evolution, 411239 Norwegian Sea, Greenland Sea, 38S0264, 360998 basement, 130747 38S0272, 38S0273 Indian Ocean, 260945 metagabbro, 130747 oxygen isotope, geochemistry, 340338 Chatham Rise, seismic stratigraphy, 901327 compression, Mediterranean Sea, 131011 Pacific Ocean C, mineralogy, 330542 coal, 790494 crestal rock, petrography, 130749 Pacific Ocean NE, metal-rich basal configurations pre-breakup, 350005 Cretaceous foraminiferal fauna, 131075 sediments, 630669 continental shelf, onshore geology, 400965, gabbro, compressional wave velocities Pacific Ocean SE 400970 geophysical data, 130581 basalt, 340246 Coral Sea E, geology, 300659 geophysical surveys, tectonics, 131011 clay-sized minerals, 350481 dispersal, 260945, 260947, 260949, 260950, hornfels, cordierite-biotite-feldspar, hydrothermal sedimentation, 920606 260951 130753 mineralogy, 920393 Africa, 260949 limestone, compressional wave velocities, Panama Basin, sediments, 690385, 690386, Falkland Plateau E, sedimentation, 360886 130595 690392 geochemical history, sedimentation, 710405, Mediterranean Sea, 130666 petrology, 540798 710436 extension, 131011 iron oxide, 540801 Goban Spur, evolution, 801200 lithostratigraphy, 131021, 131038, 131039 phase chemistry, petrology, 340246 Indian Ocean marl, 130666 rare earth elements, 920404 breakup, 260945 Miocene oozes, 130666 red beds, 38S0272, 38S0273 dispersal, 260945 metagabbro, 130747, 130750 sedimentary structure, 38S0264 Indian Ocean S, geologic history, 260910, metamorphic rocks, 130747 Red Sea, sediment history, 230858 260918, 260929, 260932 petrography, 130747, 130749, 130750 regional sedimentation, 920599 Indian Ocean W mineralogy, 130666 Sardinia, slope, 130731 regional aspects, 250752 north slope, 140015 Shatskiy Plateau S, 200683 volcanic sediment, 250541 northern flank, 130019 Southeast Pacific Basin, evolution, volcanism, 250540 petrology, igneous rocks, 130747, 130748, geologic, 350730, 350736 K/Ar age, geochronology, 360926 130750, 130751 spreading center, ore minerals, 540789 lithology, 360226 phonolite, 130751 titanium oceans, 360043 aegirine, 130751 claystone, 330835 Pacific continental margin, geomorphology, metabasalt, 130753 sandstone, 330835 350287 sanidine, 130751 trace elements, partitioning, 850796 Pacific Ocean, margin, 710755, 901327 pyroxene, amphibole-biotite, 130750 Tyrrhenian Rise, mineralogy, 130608 Pacific Ocean SW, island arcs, 300699, ridges, 490407 volcanics, mineral composition, 180943 300700 Tyrrhenian Basin, 130581 goethite-lepidolite, mineral, heavy, Arabian Rb-Sr age, geochronology, 360926 zeolite, metamorphism, 130751 Sea, 230497 regional summary, 220815 Gosnold Seamount, 430009, 430015, 430032, goethite-smectite, mineral, secondary, reconstruction, 220826 430156, 430852 abundance, 920509 rifting, 250540 Gough Island, 170443, 170445, 390525, 390530, Gofar Fracture Zone, 920218 Rio Grande Rise N, regional setting, 390533, 720008, 720457, 720459, 740726, Goias, Minas Gerais, 750477 250689, 250691 740739, 740779, 750483 gold sea floor spreading, history, 250663 Atlantic Ocean S, Walvis Seamount, 391127 basalt, petrology, 450468 seismic stratigraphy, New Zealand, 901336 rare earth elements, trachyte, 620957 chert, 320429 Southeast Pacific Basin, evolution, regional tectonics, hot spot, 720960 mafic rocks geologic, 350724, 350736 trachyte metals, 370577, 370578 tectonics, 360886 geochemistry, 620956 Mid-Atlantic Ridge, 370577 Tethys, Mediterranean Sea, 42A0943, 42A0944 rare earth elements, 620957 Mid-Atlantic Ridge, isotopes, 450545 Gondwana W Walvis Ridge, basalt, 740744 mineral chemistry, melting point, 450468 regional tectonics Goyasu Formation, 870563 Pacific Ocean E, sediments, 540319 breakup, 720960 Gozo, 42A0935 porcellanite, 320429 swell push forces, 720961 grading Grand Banks of Newfoundland 393 acoustic facies, sedimentology, 960471 ooze, nannofossil, 130102 mud, silt-laminated, 960478 Africa, continental margin NW, 410965, ooze, nannofossil chalk, 140053 ooze, 960476 410967, 410973 paleoenvironment, 490115 Mississippi Fan, deposit, 960505 Alaska, Gulf of, turbidite, silt, 180848, physical properties, 120689 sediment texture, 960483 180851, 180853, 180855 sand, 130102, 130262, 180450, 190221 grading, reverse, 100701, 100705, 300072, Angola Basin, 400537 sandstone, 070612, 120045, 130066 38S0261, 42A0577, 42A0588, 42A0599 Atlantic Ocean sapropel, 130195 clay, terrigenous, 291059 Cenozoic sediments, 140795, 140825, 140859 sedimentary structure, 47A0028, 47A0029, conglomerate, 300431 Cretaceous sediment, 140795, 140825, 47A0030 basal contact, 300431 140859 sedimentation, 350031, 350032 sand, 300431 Atlantic Ocean N, Mediterranean Sea, shale, 120045 evaporites, Messinian, 42A0577, 42A0581, 110815, 110817 silt, 180450, 190221, 300138 42A0588 Atlantic Ocean NC, Mesozoic sequences, tuff, 310194 lithology, 300073 411002 turbidites, 120763 Norwegian Sea, Greenland Sea, 38S0261 Atlantic Ocean NW, sedimentation, 440976 volcanic components, 190171 red beds, sedimentary structure, 38S0261 Atlantic Ocean W, Venezuelan Basin, 040666 volcanic sediment, 170055 sedimentology, 100705 Australia W, continental margin, 270573 magnetostratigraphy, Cretaceous sediments, silt, terrigenous, 291059 Biscay, Bay of, evolution, 480797 400463 grading, vertical Cape Basin, 400537 Mediterranean Sea sedimentary structure Cape Bojador, continental margin, 47A0779, Hellenic Trough, 130668 clay, 960528 47A0780, 47A0781 Ionian Basin, 130668 mud, 960528 carbonate lithostratigraphy, 131027, 131028, 131029 Graham Land, 350298, 38S0681, 641086 diagenesis, 170414 mineralogy, turbidites, 130714 grainstone fossil preservation, 170414 Minorca Rise, lithification, 42A0473 Atlantic Ocean, margin, 481104 Caroline Abyssal Plain, chalk, 200067 Mississippi Fan, 960509 Bahama Islands, geology, 110885 Cenozoic sedimentation carbonate, 960541 calciturbidites, carbonate, 500740 Bering Sea, 190891 depositional environment, 960434 Cretaceous sediments, micro facies and Pacific Ocean N, 190891 mudstone, black, 430413 microfabrics, 410498 chert, Pacific Ocean E, 160610, 160611 mudstone, green, 430413 Goban Spur, evolution, 801212 clastic sediment, Cretaceous, 401027, 401029 Neogene sedimentation, lithology, 47A0608 Jurassic-Cretaceous, carbonate, 790863, clay mineralogy, sand, 870634 NFLECT, lithology, 960548 790867 continental margin sedimentation Norwegian Sea limestone, Jurassic, 790457 sand, 280731 diapir, 38S0197 lithology, 330044, 440167, 480081, 500127 silt, 280731 geologic setting, 38SO21O limestone, 090039 continental margin sediments, 280736 Greenland Sea, 38S0268, 38S0269, 38S0270, micrite, 480081 sand, 280733 38S0271 planktonic foraminiferal, 330045 sand-silt interbeds, 280738 ooze, calcareous, ooze, foraminiferal, sedimentology, Mexico, Gulf of, 100710 silt, 280733, 280736 271008 shale, black, Biscay, Bay of, 480891 deposition, 960490 Pacific Ocean SW, unconformities, 280703, stratigraphy, seismostratigraphy, 801123 current, 280728, 280729 280709, 280715 stratigraphy and evolution, composite, fan, transition, 960465 Pacific Ocean W 801184 feldspathic sediment, abyssal, 200359 equatorial, 071165, 071170 synrift sediments, Barremian-Hauterivian, ferruginous sediments, 160602 volcanic rocks, 210481 801175 grain size, turbidites, 870620 Panama Basin, physical properties, 160503 grainstone, bioclastic, limestone, Jurassic, Greenland Sea petrology, gravels, 960494 790453, 790457 diapir, 38S0197 red beds grainstone, calcite geologic setting, 38S0210 sedimentary structure, secondary, 38S0268 Bahama Islands, geology, 110884, 110887 Indian Ocean NE, Cretaceous, 220720, turbidites, 38S0269, 38S0270, 38S0271 lithology, 330044 220729, 220738 Red Sea, sediment history, 230858 Campanian, 110014 Indian Ocean NW, grain size, 250423 Ross Sea, basement, 280865 grainstone, foraminiferal Indus Fan, sedimentation, 230477 sand, 010564 lithology, 330045, 330112 Line Islands, 330837 Mississippi Fan, 950513 volcanic sediment, stratigraphy, 330790 lithology, 500128, 960479 Pacific Ocean NW, 310510 grainstone, foraminiferal nannofossil ash, 130195 sand, glauconitic, 291152 chert, 330858 basalt, 270020 sapropel morphologic development, 330858 basement, 110226 Mediterranean Sea E, 42A0429 silica, 330858 breccia, 130227, 130228 petrography, 130714 grainstone, skeletal burrow mottling, 090490 sediment, interpretation, 960484 calciturbidites, carbonate, 500740 calcarenite, 140258, 140259 sedimentary structure Pacific Ocean W, guyot, 200660 chalk, foraminiferal nannofossil, 170152 Ganges Fan, 220739 Gram Formation, 800646 chalk, radiolarian nannofossil, 170152 turbidite, silt, 960530 Grana Falls. See Churchill Falls chert, 170053, 170152 sedimentology, 100701 Granada Basin, 780084, 780096, 780099 clay, 300138 turbidite, mud, Pliocene, Quaternary, 640514 magnetic anomaly, 780096 clay, red, 120763 turbidites, 090041, 430401 origin, 780096, 780097 Clipperton Oceanic Formation, 080289, volcanic components, 210481 Granada Trough, 140345, 780027 090212, 090540 volcaniclastics, structure, 330875 crust, 780025 limestone, 170053, 170055, 170152 grading, coarse-tail, 38S0261 origin, 780027 Line Islands, 080140 turbidites, volcanic, 890369 Sediments, 780027 marl, 130066 grading, double, 120683 Grand Bahama, 110882 Marquesas Oceanic Formation, 080462, grading, inverse, 130153 Grand Bahama Canyons, 760938 080677, 090213, 090215 sedimentary structure Grand Banks of Newfoundland, 040424, 110565, Mesozoic deposits, 47B0052, 47B0053 bedding, graded, 960521 120003, 120036, 120055, 38S0781, mud, calcareous, 140258, 140259 mud, silt-laminated, 960528 38SO783, 38S0787, 38S0791, 38S0793, ooze, 130262 grading, normal 380906, 410495, 410991, 430101, 430108, ooze, foraminiferal nannofossil, 140258 Indus Fan, sedimentation, 230473 430123, 430174, 430700, 430712, 430740, ooze, marl, 130227, 130228 lithology 430751, 430792, 430833, 430865, 430867, 440181, 440193, 47B0026, 47B0028, 394 Grand Caicos

47B0673, 47B0768, 480533, 760007, 760146, Alaska, Gulf of, 180835 epidote, Mazagan Escarpment, 790543 760202, 760550, 760552, 760554, 760920, detritus, 360858, 360860 exotic pebbles, plutonic rock, 561091 760931, 790523, 790677, 790716, 790717, Goban Spur feldspar, Mazagan Escarpment, 790543, 790547 790885, 790890, 800613, 800677, 800678, continental margin, 801124, 801126, glaciation, Alaska, Gulf of, 180835 801106, 801108, 801109, 801110, 810565, 801158, 801161 Goban Spur, continental margin, 801158 810581, 931354, 931385, 950601, 950602, evolution, 801201 ice rafting, erratics, 180835 950604, 950606 ice rafting Japan Trench, 561091 Atlantic Ocean, margins, 481101, 801111 erratics, 180835 K/Ar age Atlantic Ocean N glaciation, 280740 Africa NW, 790543 paleogeography, 121171, 121173, 121174, Indian Ocean NW, grain size, 250423 Mazagan Escarpment, 790543 121177 Indian Ocean S, 280772 lithology, 360022 Paleozoic, 801108, 801110 Indian Ocean W, tropical, 240637, 240641 Mazagan Escarpment, grain size, 790545 Precambrian features, 801106, 801107 K/Ar age, 360923 Mexico, magmatic episodes, 660727 basin, 500809 Lesser Antilles, 780095 microcline, Mazagan Escarpment, 790543, Blake Basin, continental shelf, 440191 lithology, 290275, 360022, 360145, 360216, 790547 Cenozoic silicoflagellate, Coccolith 380172, 380453, 480080, 480178, 480221, muscovite stratigraphy, ridges, 440775 490124 K/Ar age, 790544 continental margin sedimentation, turbidity ice rafting, 280156 Mazagan Escarpment, 790543, 790544 current, 280754 magma, calc-alkaline, 660702 petrography, Africa NW, 790543 continental rise, 430008, 430010, 430013, magnetic models, magnetization, 801143 petrology, igneous rocks, 130755 430575 major element, argillaceous sediments, plagioclase, Mazagan Escarpment, 790543 Cretaceous foraminifers, North America, 580724 potassium, Mazagan Escarpment, 790544 440671 Mazagan Escarpment, 790543, 790551 quartz, Mazagan Escarpment, 790543 Horizon A, 020424 age, 790552 rare earth elements, tuff, 590657 Iberian margin W, evolution, 47B0764, chemical composition, 790552 Southeast Pacific Basin, evolution, 47B0766, 47B0768 slope deposits, 790096 geologic, 350738 Iberian Peninsula, separation, 47B0030 Mississippi Province, sand, 960535 wollastonite, Mazagan Escarpment, 790543 Jurassic, calcisphaerulids, 440911 Pacific Ocean EC, geologic history, 090924 granofels, Ross Sea SC, 280771 Jurassic assemblages, 790677 Pacific Ocean NE, metal-rich basal granofels, quartz, Ross Sea, basement, Jurassic stratigraphy, 760931 sediments, 630669 280866, 280867 lithology, 430101 palynological residue, gulf mouth, 640739, granophyre Magnetic Anomaly J, 47B0095 640749 boninite, mineralogy, 600694 Moroccan Basin petroleum generating potential, 640871 Lord Howe Rise, rhyolite, 210523 evolution, 500801 organic matter, 640872 Red Sea, geology, 230815 margin, 500807, 500808, 500809, 500811, petrology, California, Gulf of, 641083 granophyre schlieren, basalt, sill-pillow 500813 polymict breccia, clast, 600647, 600649 complex, 610674, 610675, 610677 Precambrian features, 801107 Rabat, Tbilisi, 790547 Grants Pass, Oregon, 180909 schizaeaceous spores, striate, Cretaceous, rare earth elements, tuff, 590657 mudstone, petrology, 180909 47B0458 Rb-Sr age, 360923 granulite shelf area, 440191 Red Sea, geology, 230815 Australia W, continental margin, 270584 Spain N, 801107 regional geology, regional structure, 801191 lithology, 480175 Grand Caicos, 110886 Ross Sea, 280771 Rockall Plateau W, stratigraphy, 481061 Grand Canary, 411061, 411237, 430853 basement, 280864, 280865, 280867 Rockall Rise SW, structure, 481063 Atlantic Ocean NE, evolution, 411237 turbidites, sand, 250444 structural evolution, tectonic history, Grand Turk, 510037 granite, calcium, sedimentation, geochemical 481061 Grande Ronde, Columbia River, basalt, pillow aspects, 710428 GRAPE margins, 830166 granite, carboniferous, Goban Spur, grapestone Grande Terre, 780088 continental margin, 801126 calciturbidites, carbonate, 500737, 500740 limestone, Oligocene, 780093 Granite Cliff, 480995, 481001, 481028, Mazagan Plateau, 790371 volcanic substratum, 780097 481042, 800005, 801124, 801126, 801156, sandstone, oolite, 320540 granite, 390446, 390448, 390451 801158, 801189, 801201 graphite Alaska, Gulf of, glaciation, 180835 Biscay, Bay of N, continental margin, 481028 basement, mineralogy, 291118 Antarctica, glaciation, 291040 continental margin, 801161 mineralogy, basement, 291118 ash, intrusion, 870685 structural evolution, 481042 palynological residue, organic matter, Atlantic Ocean N Goban Spur, continental margin, 801124, maturation index, 640747 Mediterranean Sea, 110805 801126, 801156, 801158 Red Sea, evaporites, 230947 paleogeography, 121177 King Arthur's Castle, 801124 graphitization, protokerogen, hydrothermal Atlantic Ocean SW, basin, evolution, 360996 regional geology, 801189 effects, 640910 Aves Ridge, 780095 granite, S-type, Australia, 790552 Grau du Roi, Lake Bolsena, 131252 Baja California, tectonics, 641096 granitoid Graue Stufe, 120959 basement Tohoku Arc, geology, 870716 Gravelbourg Formation, 120067 Alboran Basin W, 130760 volcanism, explosive, Neogene, 870718 gravity, 751229 Jurassic platform, 790096 granodiorite, 130755, 561091 Angola Basin, geophysical data, 751137 Black Sea, geophysical framework, 42B1050 Africa NW, continental margin, 790543 Atlantic Ocean, 450026 boninite, mineralogy, 600691 Al-Jadida, petrography, 790543 Atlantic Ocean N breccia, Alboran Basin W, 130760 Alaska, Gulf of, glaciation, 180835 geological and geophysical setting, 450026 California, Gulf of Alboran Basin W, 130755 Paleozoic, 801108, 801109 basalt, 650667 argon, Mazagan Escarpment, 790544 Precambrian features, 801106 geochemistry, 641083, 641084 Aves Ridge, Lesser Antilles, 780095 Atlantic Ocean SW, basin, evolution, 361004 Eastern Gulf Province, sand, 960535 basalt, altered, geochemistry, 580807 basement, geochemistry, 590745 Falkland Plateau, basement, 360893, 360894, basement Black Sea, geophysical framework, 42B1044 360896, 360902, 360906, 360910, 360911 Alboran Basin W, 130755 Ceara Plain, magnetics, 140377 geochemical history, sedimentation, 710436 Mazagan Escarpment, 790902 Costa Rica Rift, 830396 geochemistry, California, Gulf of, 641083 biotite, Mazagan Escarpment, 790543, 790547 crust, oceanic, 830396 glaciation clay mineralogy, stratigraphic evolution, Daito Ridge, sandstone, 580611 750863 deposition, Portugal, 47B0384 Great Abaco Canyon 395

East Pacific Rise, 540032 280901, 280904, 280906 turbidity current, evolution, 960543 petrology, 540032 Ross Sea, 280894, 280895, 280897, 280898, Walvis Ridge, transect, 740649, 740650, faulting, 47B0384 280901, 280904, 280906, 280989 740654 geological, geophysical setting, magnetics, Santos Plateau, 390950 gravity sliding, 320319, 500071, 500073 390950 Sao Paulo Ridge, 390950 Barbados Ridge, 780079 Goban Spur, modeling, 801141 site survey, Paul Revere Ridge, 180987 gravity tectonics, passive margin, 500761 Indian Ocean SW, geophysical stratigraphy, Rockall, 481065 lithology, 320319 investigations, 260959 Tufts Plain, 180987, 180989 Mesozoic, 500071, 500073 Japan Trench, 560449 United States, 280904 tectonic history, Cascadia Basin, 180965 Koko Seamount, 320395 see also free air gravity anomaly gravity spreading, accretionary prism, 780572 lithology, Cenozoic deposits, 47B0047, gravity flow, 131033, 310053, 440162, 440201, Grayson Formation, 120062 47B0048 440202, 440205, 960542, 960543, 960544, graywacke, 38SOO45, 38SOO53 Madagascar Basin, 250863 960545 Alaska, Gulf of, glaciation, 180835 free-air gravity anomaly, 250863 Arabian Sea, sediment history, 230513 Atlantic Ocean Mariana Islands, 600071 Barbados Ridge, 780614 Cenozoic sediments, 140861 structure and tectonics, 600038 Blake Basin, 760743, 760759 Cretaceous sediment, 140861 Mariana Trough, sea floor spreading, 600051 burrow mottling, silt, 291054, 291059 grain size, 040295 Mexico, Gulf of, regional aspects, 010627, calcareous nannofossil, 960542 Atlantic Ocean N, Mediterranean Sea, 110802 100743 carbonate, 960542, 960544 Brazil Basin, 040661 mid-continental high, 280904 gravity-flow deposit, 960546 Chatham Rise, Paleozoic-Mesozoic, 901327 Mississippi Fan, carbonate, 960541 Mississippi Fan, 960541 Cretaceous-Paleocene sequence models, 801143 clast, carbonate, 960542 petrography, 47B0419 Morocco, coast, 751229 deposition, 960542 sedimentology, 47B0419 Nankai Trough, structural features, 870797 Portugal, 47B0373 Cyprus, evaporites, 42B1191 Pacific Ocean SE, 920524 turbidity current, 960543 detrital modal analysis, turbidites, 870624 Red Sea, geology, 230817 Exuma Sound, turbidite, 960544 Falkland Plateau, basement, 360^02, 360910 regional geology, regional gravity, flow, origin, 960543 glaciation geomagnetic patterns, 801191 Great Bahama Bank, 760743 Alaska, Gulf of, 180835 Rio Grande Rise, regional setting, 390957, Greenland Sea detritus, 360860 390958 biogenic siliceous lithofacies, 38SO218 ice rafting, erratics, 180835 Rockall Plateau W, stratigraphy, 481061 clay minerals, 38SO231 Indian Ocean W site survey, Ceara Rise, 140377 turbidites, 38S0225 sand, terrigenous, 241053 Southwest Indian Ridge, 260959 Indian Ocean NE terrigenous sediment, 241052, 241054 free-air gravity anomaly, 260959 Cretaceous, 220718 lithology, 040043, 180288, 190281, 190418, Madagascar Basin, 250863 sediment history, 220723 360031, 360145 structural evolution, tectonic history, limestone, Jurassic, 790465 ooze, nannofossil, 130338 481061 Line Islands, evolution, 330851 sandstone, 480175 gravity anomaly lithology, 310053, 390162, 440167, 440201, sapropel, 130338 accretionary complex, Lesser Antilles, 440202, 440205 siltstone, 360022 780030, 780050 minor sediment types, 47A0026 Lofoten Islands, 38S0067 Atlantic Ocean N, Precambrian features, Little Bahama Bank, 760743, 760759 Mediterranean Sea, 110805 801106, 801107 lutite, 960545 mineralogy, continental chemistry, 650418 Bahama Islands, geology, 110888 Mediterranean Sea, lithostratigraphy, 131033 Neogene formations, paleogeography, 42A0910 Baja California SW, tectonics, 630957 Middle America Trench, Costa Rica, 840551, Norwegian Basin, 38SOO67 Barbados Ridge, accretionary prism, 780050 840555 Oligocene-Eocene, 38SOO51 Barracuda Fracture Zone, 780050 Mississippi Fan, 960435 pebble characteristics, indurated, 280771 evaporites, Red Sea, 230916 carbonate, 960541 Pleistocene-Miocene, 38SOO45 geological, geophysical setting, gravity, Gulf of Mexico, 960435 Ross Sea SC, 280771 390950 sediment, 960432, 960519 Sardinia, slope, 130780 Goban Spur, 801141 Norwegian Sea seismic stratigraphy continental margin, 801127, 801130 biogenic siliceous lithofacies, 38SO218 erosion, 901333 modeling, 801141 clay minerals, 38S0231 rise crest seismic stratigraphy, 901332 Great Abaco Canyon, 760756 turbidites, 38S0225 South Fiji Basin, history, 300629 Iselin Seamount, 280901, 280902, 280905 Pacific Ocean EC, stratigraphy, 090940 turbidite, 670541 Ivrea Anomaly, 280905 paleoclimate, diachronous biogenic facies, diagenesis, 670541 Lesser Antilles, 780027, 780030, 780094 280910 mineral composition, 670541 accretionary complex, 780050 petrology, 740649 sand, 670541 Little Bahama Bank, 760756 Philippine Sea, lithology, 061246 graywacke, feldspar-rich magnetic anomaly, Ross Sea, 280897, 280904 physical properties clay minerals, mineralogy, 140729 Mexico, Gulf of, regional aspects, 100743 siliceous sediments, 061211 silica, mineralogy, 140729 Middle America Trench, 840805 sound velocity, 061248 Great Abaco, 110888, 760223, 760727, 760855, modeling, 801143 thermal conductivity, 061250 760938 anomalies, strike change, 801145 sand, quartzose, 960544 Great Abaco Canyon, 110888, 110895, 430811, Morocco, continental margin, 790895 Santos Plateau, origin, 390936 440203, 760742, 760743, 760747, 760750, Nankai Trough, heat flow, 870739 sedimentary cycles, 740649 760756, 760757, 760761, 760778 Ninetyeast Ridge, 220843, 220845, 220851 sedimentary processes, 840560 Bahama Islands, geology, 110895 Norway, continental shelf, 280905 sedimentology, 960542 Blake Basin, 440203, 440205 Red Sea Sediments conduit, 760743 geology, 230817 Barbados Ridge, 780614 Cuba, 440203 heat flow, 230916 Blake Basin, 760743, 760759 faulting, 440203 regional geology, regional gravity, Little Bahama Bank, 760759 Blake Spur S, Blake Spur, 440358 geomagnetic patterns, 801191 seismic correlation, 960545 geologic development, 760756 Rio Grande Rise, 390957 single event interpretation, 960545 gravity anomaly, 760756 regional setting, 390957 terrigenous elastics, 960542 lithology, 440203, 440205 Rockall Rise SW, structure, 481065 terrigenous sediment, 960542 sedimentary environments, Blake Escarpment, Ross Ice Shelf, 280895, 280897, 280899, textural break, 960544 440978 396 Great Abaco Fracture Zone

topography, 760742, 760750 Mediterranean Sea E, history, 42B1219 compression, 38S0253 Great Abaco Fracture Zone, 440203, 760672, Messinian environments, Lago Mare, 42A1018 continental margin, 380781, 801190 760742, 760743, 760747, 760750 Somali Basin, volcanism, 250537 continental shelf, 120161, 380727 age, 760742 Great Salt Lake, 200365, 42B0486 continental slope, 120918 faulting, 760743 Great Stone Dome, 931389 eastern, 120055 Great Abaco Member, 760222, 760224, 760226, Great Valley, 061285, 630815, 641090, 641280, Eurasia, 380118 760228, 760481, 760489, 760490, 760493, 670750, 930068 land bridge, 381221 760645, 760729, 760733, 760735, 760745, forearc, 630024 Eurasian Plate, 120316, 490825 760747, 760765, 760766, 760776, 760777, Great Zelenchuk River, 42B0413 Europe, 380959 760913, 760938 Greater Antilles, 010291, 010634, 010637, Europe N, 380751 Blake Ridge Formation, 760442 040598, 760646, 770392, 780097, 840892 glacier, 120077 debris flow, 760742 evolution, geodynamic, 780096 Goban Spur, evolution, 801203, 801209 deposition, 760741, 760742, 760743 Mexico, Gulf of, regional aspects, 010634, Grenville, 810728 lithification, 760741 010637 ice cap, 131400 lithology, 760728, 760733 tectonics, 780097 ice rafting, 810873 Miocene, 760727 Greater Antilles Ridge, 430819, 430828 ice sheet, 641253 origins, 760742, 760743 Atlantic Ocean NW, acoustic stratigraphy, Jan Mayen Ridge, 380569 sediments, organic matter, 760489 430829 separation, 38S0246 Great Artesian Basin, 270288, 270699, 270702, formation, 941217 Labrador, 931389 270978, 270996, 290731, 330510, 710754, lithostratigraphy, reflectors, 430829 continental plate, 121164 710802 Gredero, Spain, 930552 Labrador Sea S, 121155 Queensland, 270707, 270984 Greece, 110614, 110805, 130033, 130231, magnetic anomaly, 121164, 121166 Great Australian Basin, 400225, 400741, 400744 130357, 130412, 130666, 130739, 130972, separation, 121155 Great Australian Bight, 270397, 291124, 130982, 131258, 131343, 410991, 42A0953, lava, isotope geochemistry, 810776, 810779 291126, 300681 670602, 760870, 760875, 760876 lithology, 120264, 120267, 380608 see also Indian Ocean E environment, clay minerals, 42A0461 limestone, 120055 Great Bahama Bank, 430351, 430828, 430841, Italy, continental plate, 760874 margin, 381218 440153, 440203, 440463, 440807, 760727, limestone, Hellenic Trough, 131115, 131117 Mid-Labrador Sea Ridge, Rockall, 121186 760742, 840533 Moroccan Basin, margin, 500815 North America, 380118, 810691 Bahama Islands, geology, 110879, 110883, Neogene formations, paleogeography, 42A0919 plate, 121177 110886 northern, 130978 Norway, 380118 Blake Spur S, 440346 NW, 131353 plateaus, 481149 gravity flow, 760743 Orbitolina beds, 131115 Pliocene-Pleistocene sediments, 810663 limestone, shallow water, 440416, 440424, Peloponnese, 42A0372 ridges, 391105 440428, 440445 Rif, Gibraltar, 131216 rifting, 480012 Great Bahama Canyon, 110888 sapropel, sedimentology, 42A0461 Rockall Plateau Bahama Islands, geology, 110888 western, 110806, 110810, 110812, 130223 Paleogene sediments, 810653, 810659, Great Barrier Island, 300028, 300693 Green Basin, 640574 810660, 810661 Great Barrier Reef, 210377, 890399 Green Canyon, gas hydrate, hydrate, 960783 sediments, 810815 Anchor Cay, 300664 Green Islands, 190737 Rockall Plateau W, stratigraphy, 481062, biostratigraphy, 300664 Green River 481063 lithology, geologic events, 210377 organic matter, geochemistry, 640859 Rockall Rise, 810666, 810689, 810754, 810884 ooids, 890399 tetrapyrrole, geochemistry, 630805 American Plate, 480167, 480212 Great Britain, 120051, 121173, 270589, Green River Formation, 210909, 42B0755, separation, 810650, 810725 440731, 480780, 480995, 750570, 760573, 42B1177, 640926, 690596 Rockall Rise SW, structure, 481065, 481075, 790703, 801107, 801162, 810565 Quaternary sediments, sedimentology, 640926 481082, 481083 Atlantic Ocean N, paleogeography, 121173, Green River shale, sapropel, Cretaceous, Scotland 121174 440636 ridge, 810683, 810690, 930613, 931417 calcareous nannoplankton, 440731 Greenland, 120003, 120161, 120180, 120255, separation, 810691 continental, 801189 120397, 120456, 120920, 121130, 121155, sedimentary evolution, 430818 Folkestone, 260635 121164, 270983, 350560, 38SOOO3, 380005, circulation, abyssal, 430818 Goban Spur, continental margin, 801162 38S0041, 38S0067, 38S0139, 38S0196, southern tip, 120911 see also England 38S0235, 38SO251, 38S0253, 380608, 380741, Spain, transform fault, 121174 Great Britian, see also England 380748, 380751, 381210, 381213, 381230, sphene, Paleogene, 810728 Great Escarpment, 400965, 400968, 401029 47B0030, 47B0031, 480169, 480203, Spitsbergen continental shelf, onshore geology, 400965, 480212, 480271, 480318, 480348, 480415, seawater, 411230 400968, 400970, 400972 480513, 480719, 480744, 480780, 481062, seaway, 411230 Great Glen Fault, 801108 481063, 481075, 481099, 481102, 481145, stratigraphy GreatInagua, 110882 490443, 490551, 490825, 490861, 610616, crust, oceanic, 481075 GreatInagua Bank, 110888 740697, 800519, 800832, 800849, 801063, Paleocene interval, 481075 Great Isaac Wall, 760672 801107, 801111, 801210, 810033, 810285, rifting, 481065 Bahama Islands, 760672 810423, 810573, 810633, 810640, 810650, sea floor spreading, 481082, 481083 Great Laba River, 42B0413 810663, 810664, 810689, 810715, 810725, structural evolution, tectonic history, Great Lake, Tasmania, 151000 810729, 810743, 810779, 810815, 810837, 481062, 481063 Great Lakes, 42B1039 810870, 810873, 810884, 810885, 810886, tectonics, Faroe-Iceland Ridge, 381220 Great Magnetic Bight, 190569, 330639 810896, 810897, 810900, 810901, 810903, Tertiary land bridge, 490719 Mediterranean Sea, Paleomagnetism, 170365 810914, 810919 trace elements, Thulean Volcanic Province, Great Meteor Tablemount, 120925, 140819, apatite, Paleogene, 810728 810793 490407, 490529, 820494, 931324 Atlantic Ocean, margin, 481099, 481102, transgression, 810650 Great Rift Valley, 050165, 230754, 370004, 481105, 481110, 801111 volcanism, 810913, 810918 640214, 640218, 810795 Atlantic Ocean N, paleogeography, 121166, Greenland Basin, 38S0285 Africa E, 810801 121167, 121171, 121174, 121177 Greenland Current, 800802 Africa NW, Permian formation, 790524 Atlantic Ocean NE Greenland E, 480918, 481102, 481133, 540719, Israel, history, 42B1219 evolution, 411230 750501, 750537, 810035, 810235, 810277, Kenya, 42A1017 stable isotope, 480482 810565, 810566, 810568, 810640, 810793, magma, tectonic affinities, 810801 coast, 120079 810802, 810804, 810886, 810887, 810900, Greenschist facies 397

810901, 810903, 810913, 810917, 810920 claystone, 38S0224 Sea, 380801 Atlantic Ocean, margin, 481102 mudstone, 38S0224 plagioclase, 38SO235, 38S0237 Atlantic Ocean N, paleogeography, 121178 turbidites, 38S0224 Pleistocene, 38S0248 basalt, 810640 clay, 38S0216, 38S0217, 38S0221, 38S0225, Pliocene, 38S0248 fracture zone, 540719 38S0248 pyrite, 38S0224 continental margin, 38S0210, 38SO215, clay minerals, 38S0222, 38S0231, 38S0232, nodules, 38S0224 38S0248, 38S0282, 38S0285 38SO233, 38S0235 quartz, 38S0235, 38SO237 continental shelf, 350281 ash, 38S0231 radiolarians, 38S0222, 38S0223 Goban Spur, evolution, 801203 breccia, 38SO233 sand, 38S0217 lava, isotope geochemistry, 810778 calcareous sediments, 38S0235 sediment classification, 38SO193 lithology, mudstone, 120260 chlorite, 38S0231, 38S0232, 38S0233, sediment composition, 38SO238 mineralogy, Paleocene-Eocene, 810784 38SO235 sedimentary evolution, 430818 oxides, major, SiO2, 810754 conglomerate, 38SO233 sedimentology, 38S0248, 38S0251, 38S0252 Pacific continental margin, geomorphology, Eocene, 38SO231, 38S0232 "opaque" layer, 38SO25O 350281 gravity flow, 38S0231 siliceous sediment, 38S0221, 38S0248 Rockall Plateau, basalt, 810795, 810802, illite, 38SO231, 38S0232, 38SO235 silicoflagellates, 38S0222, 38S0223 810803 interbedding, 38S0232 silt, 38S0217 Rockall Rise SW, structure, 481078 kaolinite, 38SO231, 38S0232, 38S0233, slumping, 38S0224 Scoresby Sound, 380751 38S0235 sponge spicules, 38S0222, 38SO223 stable isotope analysis, oxygen isotope, mica, 38S0232, 38SO233, 38SO235 stratification, 38S0224 800802 Miocene, 38S0231 deformation, 38S0224 stratigraphy, Paleocene-pre-Oligocene Miocene to Pleistocene, 38S0235 terrigenous sediment, 38S0221, 38S0224 interval, 481078 montmorillonite, 38S0231, 38S0232, thermohaline flow, Quaternary, 720989 tholeiite, depleted, geochemistry, 810784 38S0233, 38SO235 Thulean Volcanic Province, evolution, 380741 volcanism, basaltic, 810918 mud, 38S0231, 38S0232, 38SO233, 38SO235 turbidites, 38S0216, 38S0224, 38S0235 age, 810918 mudstone, 38S0231, 38S0233, 38S0235 structure, 38S0225 Rockall Plateau, 810919 Oligocene, 38SO235 zeolite, 38S0225 Greenland Fracture Zone, paleogeography, Oligocene to Miocene, 38S0235 see also Norwegian Sea 121177 ooze, calcareous, 38S0231 Greenland-Iceland Rise, 430818, 490021, Greenland Plateau, 380749, 481149, 810033 ooze, diatomaceous, 38SO231 490598, 490859, 720027, 720985, 720986, Greenland Ridge, 391105 plagioclase, 38S0232, 38SO235 810519, 810804 Greenland S, 810058, 810687, 810689, 810818, quartz, 38S0232, 38S0235 basalt, 490659 810823, 810889, 810896 sand, 38SO231 Faroe-Iceland Ridge, 740658 Greenland Sea, 38S0193, 38S0215, 38S0216, zeolite, 38S0233 Rockall Plateau, basalt, 810804 38S0221, 38S0224, 38S0225, 38S0226, clay, red, 38S0225 sedimentary evolution, 430818 38S0227, 38S0229, 38S0230, 38S0231, claystone, 38S0223 circulation, abyssal, 430818 38SO235, 38SO237, 38S0246, 38S0248, diagenesis, organic, Miocene, 380809 greensand 430818, 430870, 480446, 481102, 481149, diapir, Voring Plateau, 38S0197, 38S0200 Australia W, continental margin, 270575 730485, 810035, 810915 diatomite, 38S0222 burrow mottling, silt, 291053 accumulation rate, 38S0243, 38S0246 diatomite, calcareous, 38S0221 clay, glauconite, 291053 biogenic siliceous sediment, 38S0246 dissolution, 38S0248 clay, terrigenous, Whangai Formation, 291062 Miocene, 38S0245 dolomite, 38S0237 Ireland N, Hibernian, 810647 Oligocene, 38S0246 Eocene, 38S0224 lithology, 280232, 290230, 290273 ooze, nannofossil, 38S0246 geologic setting, 38S0193, 38S0214 Oligocene depositional history, 950797 Pliocene to Pleistocene, 38S0245 glaciation, organic matter, 380805 sand, glauconitic, 291152 alkane, Norwegian Sea, 380807 glass, 38S0238 silt, terrigenous, Whangai Formation, 291062 ash, 38S0238 glass, volcanic, 38S0222 greensand, calcareous Atlantic Ocean, margin, 481102, 481106, glauconite, 38S0223 lithology, 280219 481107 Goban Spur, evolution, 801210 Ross Sea, basement, 280862 Atlantic Ocean NE, stable isotope, 480483 Iceland Plateau, Jan Mayen Ridge, 38S0246 Greensand Formation axis, extinct, 38S0248 interbedding, 38S0221, 38S0222 England SW, southern basin, 800617 Barremian, 38S0225 K/Ar age, 38SO193 K/Ar age, Ross Sea, 361071 basalt basalt, 380755 greenschist contact, 38S0241, 38S0242, 38S0243 lithology, opening, 721022 Africa SE, volcanism, 250531 geochemistry, 380719 magma, petrology, 380685 basalt K/Ar age, 380755 mica, 38SO235, 38S0237 geochemistry, 590786 petrography, 380717 mineralogy, 38S0135 paragenesis, 830217 petrology, 380717, 380731 Miocene, 38S0224, 38S0248 Costa Rica Rift Zone rare earth, 380741 mud, 38S0217, 38S0222 basalt, 830230, 830235, 830238, 830239, basement, basalt, rare earth elements, mud, diatomaceous ashy, 38S0222 830250, 830253, 830258, 830259, 830260, 380741 mud, siliceous, 38S0222, 38S0223 830284, 830311 biogenic calcareous lithofacies, 38S0218 mud, terrigenous, 38S0222 paragenesis, 830265 glass, volcanic, 38SO218 mudstone, 38S0222, 38S0223 stockwork-like zone, 830272, 830273 biogenic siliceous lithofacies, 38S0217 mudstone, diatomaceous, 38S0222 crust, oceanic, Costa Rica Rift Zone, biostratigraphy, Cenozoic, Norwegian Sea, mudstone, terrigenous, 38S0223 830184, 930194 381197 nannofossils, 38S0221 hydrothermal activity, Guaymas Basin, 641163 Brito-Arctic Volcanic Province Oligocene to Pliocene, 38S0248 igneous rocks, metamorphism, 840948 evolution, 380751 ooze, diatomaceous, 38S0221, 38S0222 Middle America Trench, 840954 magma, 380751 ooze, nannofossil, 38S0221, 38S0222 greenschist facies burrow mottling, 38S0224 organic geochemistry, Norwegian Sea, 380783 alteration, bulk chemical changes, 650654 burrows, 38S0224 organic matter, plant, 380815 basalt, altered, geochemistry, 580807 calcite, 38S0224, 38S0237 orthoclase, 38S0237 chalk, calcite, 260598 carbon, geochemistry, 380791 other mineral components, 38SO237 Costa Rica Rift, alkali, 690492 carbonate, authigenic, 38S0221 paleoceanography, Norwegian Sea, 381197 gabbro chlorite, 38S0224 petroleum, Norwegian Sea, 380801 mineralogy, 600590 clast, 38S0224 petroleum generating potential, Norwegian petrography, 600590 398 Greenschist-amphibolite

garnet, metasomatic, 260598 250695, 250698, 250736, 600698, 780321 olivine-plagioclase cotectic, 630688 geochemical variation, metamorphism, 810797 Cretaceous sediments, 250736 pillow margins, 630688 hydrothermal activity, 670569 Rio Grande Rise N, regional setting, plagioclase, 630688 hydrothermal deposits, origin, 540418, 250692, 250693, 250695, 250698 plagioclase, euhedral, 630688 540419 Guacharo limestone, Venezuela, 770586 plagioclase, porphyrite, 630688 lava, isotope geochemistry, 810775 Guadalcanal, 300007, 300649, 300702, 300703 porphyritic texture, 630688 lithology Coral Sea E, geology, 300649 quenched mineral morphologies, 630688 metabasite, 670557 Pacific Ocean SW, island arcs, 300703 salite, 630688 mineral association, 670558 Guadalquivir, Spain, 131363 serpentine, 630688 Mariana Trough, gabbro, 600579 Guadalquivir Basin, 131079, 140871, 730723, subophitic textures, 630688 metamorphism, 670552 801108, 801109 subvariolitic texture, 630688 mineral, associations, 670558 Atlantic Ocean N, Paleozoic, 801108 zoning, 630688 mineral, secondary exposed land, 42A0901 thermomagnetic curve, Curie temperature, East Pacific Rise, 650647 Philippine Sea, Paleogene-Neogene, 310852 630749 Tamayo Fracture Zone, 650647 Guadalquivir Trough, 42A0966 tholeiite, 630695 Pacific Ocean E, ore minerals, 540805 Guadalupe, 190755, 630959, 650006 viscous remanent magnetization, magnetic petrography, 600583 dolerite, basalt, altered, 630716 properties, 630745 petrology, 540744 plate, 840891 weak-field susceptibility, magnetic polymict breccia, clast, 600648 Guadalupe Arrugado. See Guadalupe Island properties, 630747 tholeiite Guadalupe Island, 170442, 170443, 630006, Guadalupe Island E, 630625, 630695, 630858, geochemistry, 590681 630227, 630230, 630415, 630417, 630514, 630937 petrology, 590681 630928, 630937, 630939 California, continental margin, 630757 greenschist-amphibolite, Iberian margin W, alteration, basalt, 630714, 630715, 630716 interstitial water, 630625 evolution, 47B0768 anhysteretic remanent magnetization, calcium, 630625 greenstone magnetic properties, 630743 magnesium, 630625 Australia W, continental margin, 270582 Baja California Mohole, 630625 Flandre Bank, 780092 continental slope, 630757 sediment reactions, 630625 lithology, 060299 Mohole, 630937 Guadalupe Mountains, 180674 basalt, 140224 California reef, Permian, 220477 18O ratio, 830235 continental margin, 630757 Guadar Ridge, 120928 Red Sea, geology, 230817 offshore, 630960 Guadeloupe, 780006, 780025, 780031, 780036, Gregg Seamount, 430852 coercive force, basalt, 630746 780083, 780089, 780090, 780091, 780308 greigite, Panama Basin, sediments, 690391 consolidation, sediment, 310569 archipelago, 780097 Grenada, 040666, 151103, 780083, 780303, continental margin, preservation, decollement, 780031 780313 paleoenvironment, offshore, 630945 eruption, volcanics, silicic, 780303 volcanic ridge, 780086 Guadalupe Arrugado, 630952 formations, 151101 volcano, submarine, 780094 age-depth relationship, 630952 subcomplex decollement, 780031 Grenada Basin, 040009, 040215, 151015, Baja California, 630952, 630954 volcanic activity, 780086 780027, 780084, 780094, 780096, 780097, basement, 630952 volcanic line, 780099 780302, 780313, 780317, 780320, 780366, Cedros Trench, 630952, 630954 Guadeloupe Formation, 151101 780471, 780602 fault formation, sediment accumulation, Guadeloupe S, 780084, 780096 Aves Ridge, 040666 630954 archipelago, 780094 back-arc basin, 780301 fault, normal, 630952 Guam, 060005, 060010, 060012, 060013, 060014, compressional wave velocities, 151015 fault, strike-slip, 630952 060293, 060349, 060353, 060587, 060633, interoceanic arc, 780006 fracture zone, 630952 060686, 060758, 061288, 070003, 070029, silt, volcanic, 780313 K/Ar age, 630952 070049, 070050, 071011, 071161, 071164, southern segment, island arc, 780086 magnetic anomaly, 630952 170053, 200523, 200526, 200547, 200645, volcanogenic sedimentation, 780099 Mohole, 630952 220477, 220483, 300003, 300539, 300696, Grenada N, volcano, submarine, 780086 Molokai Fracture Zone, 630952 590547, 590567, 590587, 590753, 590808, Grenada S, 780094, 780301 paleontological age, 630952 590814, 600267, 600563, 600565, 600611, Grenadines, 040666, 151103, 780083, 780313 Patton Escarpment, 630952 600683, 600721, 600877, 600881, 600889, Aves Ridge, volcanic activity, 040666 Popcorn Ridge, 630952 600890, 600897, 600898, 600899, 600902, Grenadines Bank S, volcanic cone, 780094 Shirley Trough, 630952 600904, 600911, 600918, 610005, 610771, Grenville, Greenland, 810728 Tosco-Abreojos Fault Zone, 630954 890603 Grenville Front, 480168, 480213, 481063, west-facing scarp, north-trending, 630954 arc, 600894 801103, 801106, 810884 hiatus, Miocene, 630937 basin genesis, 310868, 310875 Atlantic Ocean N, Precambrian features, igneous rocks crystal morphology, lavas, 600683 801103, 801106 chemistry, 630733 Fiji, 200547 Rockall Plateau W, stratigraphy, 481063 magnetic properties, 630751 geology, 590812 structural evolution, tectonic history, natural remanent magnetization, basalt, islands, 200523, 200526, 200547, 220477 481063 630739 Mariana Islands, 600033 Grijalva Fracture Zone, 340081 paleoenvironment, offshore, 630959 Miocene volcanic rocks, 590419 Grijalva Ridge, 340160 petrography, 630688 Pacific Ocean SW, island arcs, 300696 Grimsvotn, 120369 augite, Mg-rich, 630688 Paleogene-Neogene, 310848 Groix, He de, Atlantic Ocean N, Paleozoic, basalt, 630688 Philippine Basin, genesis, 310868 801108 basalt, olivine plagioclase, 630688 Philippine Sea, Paleogene-Neogene, 310848 groove cast, 320319 brownish aphanitic zone, 630688 Philippines, genesis, 310875 lithology, 320319 calcite, 630688 regional problems, crust, 061302 grossularite, Indian Ocean W, mineralogy, clay, 630688 Umatac Formation, 060301 260573 clinopyroxene, 630688 volcanics, fore arc, 600721, 600722 Grottacalda, 42A0934 clinopyroxene, dendritic, 630688 Guam NE, 600011, 890604 groutite, Atlantic continental margin, intersertal-intergranular groundmass, Guam S, 600252, 600562, 600713 mineralogy, 100786, 110784 630688 Mariana Trench, 590723 Grow Dome, 950779, 950783 mesostasis, 630688 Guatemala, 600909, 600926, 600927, 660005, Grudja Formation, 090919, 090921, 180965, olivine, 630688 660006, 660423, 660435, 660521, 660787, 190799, 190859, 190887, 190891, 250693, olivine, altered, 630688 660788, 660838, 660841, 670005, 670028, Guatemala 399

670193, 670493, 670494, 670497, 670507, erosion, 840845 840859 670537, 670598, 670669, 670672, 670700, faulting, 840900, 840906, 840908, 840912 offshore, 660437, 660527, 660529, 670425, 670707, 670733, 670743, 670744, 670752, forearc basin, 840900 760363, 840419, 840568, 840571, 840574, 670763, 670775, 670778, 670781, 670792, formation, 840856 840742 770257, 780597, 780601, 840035, 840119, magnetic anomaly, 840851, 840859 offshore sediment, 840619, 840621 840127, 840128, 840363, 840380, 840473, margin, 840929 basalt, 840621 840568, 840573, 840575, 840576, 840577, micro fossil zones, 840905 basement, 840623 840578, 840582, 840586, 840589, 840616, Neogene slope sediments, 840859 CCD, 840621 840617, 840618, 840619, 840641, 840651, ophiolite, 840859, 840898, 840901, chert, 840621 840667, 840669, 840699, 840727, 840739, 840908, 840912 clast, 840621 840767, 840805, 840806, 840832, 840842, seismic reflection, 840852, 840901 continental margin, 840622 840846, 840852, 840856, 840857, 840880, seismic velocity, 840843 crust, oceanic, 840621 840881, 840898, 840911, 840913, 840931, slope failure, 840908, 840909, 840912 igneous rocks, 840621 840939, 840942, 840947, 840954, 840955, structural high, 840857, 840859 limestone, 840619, 840621 870911 structure, 840846 Mesozoic radiolarian, age, 840623 active margin, 670603, 670772 subduction, 840843, 840859 metabasalt, 840621 geophysical data, 840895 subduction zone, 840908, 840912 metadiabase, 840621 Antigua, rift valley, 670752, 670754 tectonic history, 840905, 840908, 840909 Middle America Trench, 840619, 840623 arc-trench system, continental margin, tectonics, 840845 ophiolite, 840619, 840621 840904, 840909 topography, 840851, 840857, 840895, radiolarian, 840621 ash 840901, 840912 Santa Elena, Cape, Costa Rica, 840621 Pliocene-Quaternary, 540314 unconformity, 840843 seamount origin, 840621 Quaternary, 670493 convergent margin, 840925 serpentine, 840621 basalt, 670577 extension, 840911 transport, 840621 Middle America Trench, 670577 Costa Rica, Pacific coast, 840831 ultramafic rocks, 840621 basement, continental slope, 840843, crust, oceanic upper trench slope seamount, 840619, 840852, 840900, 840902, 840906 continental shelf, 840879, 840880, 840890 840620, 840621 bathymetry, continental slope, 840851 continental slope, 840842, 840857, volcano, 840621 biostratigraphy, paleoenvironment, 840949 840859, 840901, 840906 ophiolite, continental slope, 840859, Central America, western continental slope, deep-sea trench, sedimentary facies, 670609 840898, 840901, 840908 840921, 840934, 840935 detrital sediment, origin, 670512 organic matter, 840739 coal, petrology, 670601 diagenesis continental margin, 670598 coalification, continental slope, 670602 Middle America Trench, 840571 continental slope, 670599 coast, 670534, 840520, 840902 slope sediments, 840571, 840573, 840574, origin, 670595 Cocos Plate, sediments, 670608 840575, 840576, 840577, 840582, 840583, trench, 670595 continental margin, 670603, 840911 840584, 840586, 840588, 840589 organic matter, distribution, Pacific Cocos Plate, 670603 Esso Petrel Well, continental platform, margin, 670595 geophysical data, 840895 670739, 670773 Pacific margin sediments, hydrocarbon, interstitial water, 670603 faulting, continental slope, 840900 670595 methane hydrate, 840773 forearc, upper slope, 870824 Pacific Ocean, 660528 pore pressure, 840770 forearc basin margin, 670595 sedimentation, 840745, 840752 continental shelf, 840879, 840880, Pacific Ocean E, 670487, 780464 sedimentology, 670759 840882, 840884, 840890, 840891, 840892 Pacific Plate, offshore, 840831, 840832 subduction zone, 840911, 840912 continental slope, 840900, 840901, Paleomagnetism, 670669 tectonic history, 840908, 840909 840902, 840904, 840905, 840906 permeability, margin, 870843 topography, 840895 volcanic province, 670513 plate margin, 840832 continental shelf, 840879, 840892, 840898, gas hydrate, continental slope, 670610 pore water, chemistry, 670603 840900, 840902 geochemistry, magma, 840618 pore water pressure, 840767 basement, 840880 geologic setting, slope sediment, 840923 sand crust, oceanic, 840879, 840880, 840890 geophysical data petrology, 660521, 660525, 660527, 660528 forearc basin, 840879, 840880, 840882, active margin, 840895 source, 660521 840890 continental margin, 840942, 840944 sandstone, source, 840931 magnetic anomaly, 840881 geophysical observations, 670719 Seabeam bathymetric survey, 670733 plate reorganization, 840891 Honduras, 660847 sedimentation sediment history, 840880, 840884, 840890 hydrocarbon, organic matter, 670595 continental margin, 840745, 840752 seismic sequences, 840880, 840882 hydrocarbon generation potential, organic continental shelf, 840890 seismic stratigraphy, 840879 matter, 670595, 670598 sedimentology, 670759 spreading ridge, 840892 igneous rocks, Middle America Trench, 840619 seismic reflection subduction, 840880 interstitial water chemistry, continental continental shelf, 840882 subsidence, 840891 margin, 670603 continental slope, 840852, 840901 tectonics, 840879 Japan Trench, sedimentology, 870910 seismic reflection data, 670675 continental slope, 670280, 670351, 670617, magnetic anomaly seismic stratigraphy, continental shelf, 670634, 670637, 670639, 670643, 670685, continental shelf, 840881 840879 840688, 840739, 840740, 840741, 840842, continental slope, 840851, 840859 seismic velocity, continental slope, 840843 840851, 840852, 840859, 840898, 840900, margin, 660671, 670007, 670247, 670414, shear zone, 840625 840901, 840902, 840904, 840905, 840906, 670608, 670641, 670676, 670688, 670691, Middle America Trench, 840625 840921, 840930 670695, 670704, 670739, 670760, 670771, slope sediment, 840625 acoustic basement, 840852, 840857, 670789, 840008, 840304, 840652, 840668, slope failure, continental slope, 840908, 840859, 840900 840745, 840770, 840773, 840909, 840923, 840909, 840912 active margin, 840846 840924, 840936, 840944, 840956, 870910 slope sedimentδ, Middle America Trench, basement, 840852, 840856, 840906, 840912 midslope continental margin, turbidites, 840625 bathymetry, 840851 840929 slope sediment coal, 670601, 670602 mineralogy, 670515 alteration, 840931

crust, oceanic, 840842, 840857, 840859, Middle America Trench, 840571 amorphous FeS2, 840931 840901 transect sediments, 670515 andesine, 840931 distribution, 840856 Neogene slope sediments, continental slope, apatite, 840931 400 Guatemala Basin

slope sediment (Cont.) toe structure, 840861 750510, 931231, 931235, 960785, 960789 basalt, hyalophitic, 840931 vertical tectonics, 840879 anhydrite, hydrothermal, sulfur isotope, bedding, parallel, 840630 subduction zone 641137 bedding planes, 840625 continental margin, 840911, 840912 basalt, California, Gulf of, 650591 breccia, 840930 continental slope, 840908 carbon, organic, diagenesis, 670610 calcite, 840931 submarine canyon, 670369 Costa Rica Rift, sediments, 690446 celadonite, 840931 subsidence, continental shelf, 840891 dolomite, diagenetic, 640553 Central Cordillera, 840931 tectonic history gas, interstitial chalcedony, 840931 continental margin, 840956 geochemistry, 640783, 640784, 640786 chlorite, 840931 ophiolite, 840956 stable isotopes, 640815 clast, mudstone, 840930 tectonics geochemistry clay, 840630 continental margin, 840911 adsorption process, 640708 clinoptilolite, 840631, 840931 continental shelf, 840879 alteration, 640698 coaxial progressive deformation, 840631 continental slope, 840905, 840909 anhydrite, 640708 conjugate set, 840630 tholeiite, 670577 anhydrite-calcite-dolomite, 640698 deposition, 840931 island arc, 670577 anoxic sediment, 640708 dilatational displacement component, trench, mineralogy, 670515, 670516, 670517, calcareous nannofossils, 640701 840630 670518, 670519, 670520, 670522, 670523, CaO, 640708 dolomite, 840930 670524, 670525 CaO/Al2O3 ratio, 640699 en echelon zone, bands, 840625 turbidites Cerro Prieto Field, 640699 erosion, 840931 continental margin, 840924, 840925 chemical analyses, 640696 fault, 840631 mineral composition, 670537 clay, Fe-rich, 640708 flexural slip, 840631 unconformities, continental slope, 840843 components percentage changes, 640700 fossil debris, 840626 upland, 540314 crust, continental, 640699 glass, volcanic, 840931 upper slope, turbidites, 840925, 840928, crust, oceanic, 640708 gravitational downslope sliding, 840631 840929 diabase-seawater interaction, 640708 hornblende, 840931 vein, structure, 870824 dolerite, 640698 kaolinite, 840630 vein structure, 840811 dolomite, 640699 kinematic aspects, 840628, 840629, 840630 origin, 670645 East Pacific Rise, 640708 limestone, 840930 volcanic highlands, 840934 epidote, 640699, 640708 limestone, micritic, 840930 volcanics, continental slope, 670557, 670569 Fe oxide, 640708 magnesium, 840931 volcanism, 670493 Fe-Mn oxyhydroxide, 640708 mineralogy, 840626, 840628 X-ray mineralogy, 670529 Fe2O3, 640708 mud, 840625, 840931 see also Middle America Trench Fe2O3/Al2O3, 640700 mud, siliceous, 840930 Guatemala Basin, 160153, 680246, 690251, fish debris, 640708 mudstone, 840625, 840626 780835 fluids, hot, 640699 opal-A, 840931 Guatemala Rise, 670460 formation, temperature, 640699 opal-CT, 840931 Guatemala SW, 670587 Galapagos Islands, 640708 outer arc, 840631 continental slope sediments, 670587, 670588 heat flow, 640698 overburden pressure, 840631 Guatemala Transverse Zone, 670753, 670754 heavy metals, 640708 parallel orientation, 840631 Middle America Trench, 670747 hydrothermal alteration, 640700 phyllosilicate, 840326, 840630 Guatemala Trench, volcanics, 610557, 670569 hydrothermal solution, 640708 plagioclase, 840931 Guayaguayare Formation, 151101 hydrothermal system, 640699, 640711, pore space, 840626 Guayana Shield, 151100 porosity, 840626 Guaymas 640712, 640713 pumice, 840930 organic sediments, origin, 660545 illite-chlorite-pyrite, 640698 pyrite, authigenic, 840931 slope, 640515, 640518, 640921, 641185, interstitial water, 640713 quartz, 840931 641263, 641268, 641270 iron, 640708 Sabana Grande Formation, 840931 Guaymas Basin, 630844, 640005, 640006, K2O, 640700 sand, 840930 640007, 640032, 640061, 640211, 640213, K2O/A12O3, 640699 sedimentary structure, 840625 640214, 640215, 640217, 640218, 640219, major oxide ratios, average values sedimentation rate, 840931 640220, 640229, 640235, 640237, 640239, departure, 640699 serpentine, 840930 640240, 640255, 640257, 640262, 640281, manganese oxide, 640708 serpentinite, 840930 640284, 640286, 640418, 640420, 640511, MgO, 640701 shear zone, 840625, 840630, 840631 640512, 640513, 640515, 640519, 640524, MgO/Al2O3, 640699 silica, biogenic, 840931 640538, 640543, 640549, 640550, 640554, mineralogical changes, 640698 siliceous test, 840625 640587, 640596, 640597, 640611, 640616, mineralogy, rare, 640700 slumping, 840631, 840931 640627, 640632, 640633, 640643, 640649, mud, 640698 640658, 640692, 640695, 640696, 640731, smectite, 840630, 840631, 840931 Na2O/Al2O3, 640700 subduction, 840631 640738, 640742, 640757, 640761, 640763, ooze, diatomaceous, 640698 talc, 840931 640791, 640819, 640855, 640856, 640883, organic matter increase, 640701 tectonism effects, 840931 640892, 640908, 640910, 640917, 640925, oxic zones, 640708 transport, 840626 640955, 640963, 640966, 640970, 640980, P O , 640702 640983, 641003, 641004, 641008, 641010, 2 5 unconformity, 840930 P2O5/A12O3, 640700 vein, en echelon, 840630 641011, 641027, 641028, 641029, 641033, pressure, 640708 vein filling, 840626, 840630 641057, 641059, 641094, 641106, 641112, pyrite, 640708 vein-parallel shear displacement, 840626 641114, 641119, 641132, 641137, 641140, pyrite, hydrothermal, 640702 641141, 641159, 641160, 641165, 641166, zeolite, 840931 pyrite-dominant zone, 640702 641169, 641170, 641171, 641173, 641174, source, mineralogy, 660525, 660527, 660528 pyrrhotite, 640708 641175, 641183, 641184, 641218, 641221, sterol quartz-chlorite-epidote-albite-pyrrhotite, 641222, 641241, 641242, 641245, 641255, continental slope, 670588 640699 641259, 641280, 641289, 641292, 650005, slope sediments, 670587 reducing conditions, indicators, 640708 stratigraphy, 670691 650436, 650439, 650528, 650591, 650592, 650594, 650596, 650608, 650615, 650616, reprecipitation, 640702 structural analysis, 670651 sediment-water interface, 640699 structures, 670691 650617, 650618, 650643, 650644, 650646, 660009, 660545, 660564, 670598, 690446, sedimentary components, uncommon, 640700 subduction sedimentation rate, 640698 Guaymas Basin 401 geochemistry (Cont.) pentane, 640770 Si/Al ratio, 640686 sediments, 640695, 640713 petroleum, 640765 silica, dissolved, 640682 shale, 640700 phenylalanine, thermal degradation, 640765 sill, 640682 silicate, Fe-Mg, 640708 porous, migration-prone sediments, 640765 slope, 640687, 640688, 640689, 640933, sill, 640699, 640708 propane, 640765 640934, 640936 86 87 SiO2/Al2O3, 640699 sediment parameters, 640769 Sr/ Sr ratio, 640685 sulfur, 640708 sediment-water interface, 640770 Sr isotope, 640686 temperature, 640708 sediments, 640763, 640777 sulfate, 640682, 640683 terrigenous material, biogenous dilution, sill, 640769 temperature, 640681, 640682 640702 temperature maximum (T max), 640765 temperature of squeezing effects, 640684 TiO2/Al2O3, 640700 thermal stress, 640775 transform fault, 640687 trace metals, source, 640708 toluene, 640765 trough, 640689, 640690 turbidite, 640708 Walvis Bay, 640770 water removal, 640684 turbidites, mud, 640699 hydrocarbon, extractable, organic intrusion, sill, 641169 V, 640701, 640702 petrology, 640837, 640841, 640842, kerogen, organic geochemistry, 640883, zinc, 640708 640843, 640844, 640845, 640846, 640847, 640887, 640890, 640892, 640897, 640902 hydrocarbon, C^C^ 640848, 640849, 640851 laminated segments, Paleomagnetism, 641255, active spreading basin, N rift, 640771 hydrocarbon generation potential 641259 aerobic biological processes, 640770 organic facies, 640865, 640866, 640868, laminated/nonlaminated sediments, organic alkane, gem dimethyl, 640770 640869 geochemistry, 640921 alkene, 640765 organic matter, 670598 lipid, 640913 alteration, thermal, 640764 hydrothermal activity deposition, 640917 autochthonous organic matter, 640772 chemistry, 641163 organic geochemistry, 640883, 640887, Baja California, 640769 contact metamorphism, 641163 640890, 640892, 640897, 640902 basin, south-spreading rift, 640764 heat flow, 641159 paleoenvironment, 640916 benzene, 640765, 640775 initial ocean evolution, 641159 Pleistocene, 640913 biological/low-temperature chemical interstitial water chemistry, 641162 Quaternary, 660564 processes, 640771 lithology, 641160, 641161, 641162 Quaternary sediments, 660564 black carbonaceous fragments, 640773 metamorphism, 641163 metamorphism, petrology, 641123, 641124, butane, 640765 mineralogy, 641163 641126, 641129, 641130, 641131 C7 distribution, 640775 physical properties, 641162 metamorphism, hydrothermal, 641123 C/N ratio, 640769 stable isotopes, 641164 methanogenesis, sediments, 640761 carbon, organic, 640764 hydrothermal system, 641143, 641144, microfossils, 641245 carbonized organic matter contribution, 641165, 641166 mineral, secondary, basalt, 650644, 650646 640773 mineralogy, 641144 minor element carotene, beta, 640765 oxygen isotope, 641144, 641146 East Pacific Rise, 650596, 650608 claystone, 640765 two distinct systems, 641146, 641147, Tamayo Fracture Zone, 650596 coaly contribution, 640773 641148, 641149, 641150 mud, diatomaceous, slope, 641191, 641192, cycloalkane, 640769 interstitial water chemistry, 640675 641193, 641204, 641205, 641207, 641209 cyclopentane, 640770 alkalinity, 640682 organic facies origin, turbidity current, deposition, anoxic, 640770 alteration, 640683 660545 deposition, oxic, 640770 ammonia, 640682 organic geochemistry, 640856, 640858, diatomaceous sediment change, 640771 basalt, 640683, 640686 640859, 640860, 640862, 640885 dimethylbutane, 640770 basalt-seawater interaction, 640686 alteration, 640942, 640943, 640944, 640945 dimethylcyclopentane, 640770 calcium, dissolved, 640682 anoxia, 640950 dimethylpentane, 640770 carbon, organic, 640682 carbon, residual, 640727 ethane, 640765 chloride, dissolved, 640684 depositional environment, 640943 geothermal gradient, 640769 East Pacific Rise, 640686 gas, 640945 Gulf of Mexico, 640765 epidote, 640686 gas, interstitial, 640724 heat, external sources, 640765 Fe/Al ratio, 640687 land-derived organic matter, 640950 heat flow, 640764 gypsum, 640683 methane, thermogenic, 640950 3 hexene, 640765, 640770 He, 640686 migration, 640945 hot spot, 640769 heat flow, 640675 molecular markers, 630844 hydrocarbon generation potential, 640765 heat flow anomaly, 640681 organic matter, 640718, 640726, 640941, hydrothermal alteration, 640764 heat source, 640682 640942, 640943 hydrothermal source, hot, 640765 hydrothermal alteration, 640685, 640692, rift, 640819 inorganic ions, 640764 640693 sedimentation, 640717 interstitial water mineralogy, 640764 hydrothermal fluid, 640683 sediments, 640819, 640950 intrusion, magmatic, 640764 hydrothermal mineral, 640684 slope, 640717, 640720, 640724, 640727, isopentane, 640775 Iceland, 640686 640819, 640939, 640946, 640947, 640948, Japan Trench, 640765 K2O, 640684 640949, 640950 kerogen, 640765 K/Al ratio, 640686 spreading, 640939 lithium, 640769 Li, 640684 transform fault, 640819 low thermal history, 640771 lithium, 640683 organic matter, slope sediments, 670598 magmatic heating, sporadic, 640772 magnesium, 640682, 640683, 640687 palynological residue magmatic sources, 640765 metal, alkali, 640684 abundance, 640731 mantle, 640764 Mg/Al ratio, 640686 arkose, 640751 methane, 640765 NH4, 640684 crystalline debris, distribution, 640739 methylpentene, 640765 18O, 640685 dolerite, 640735 migration, 640764 phosphate, 640682 drifting, 640729 Moroccan Basin, 640769 potassium, 640683, 640684 inorganic matter, 640735 mudstone, calcareous, 640771 Rb, 640684 maturation degree, 640753 ooze, diatomaceous, 640764 rubidium, 640683 maturation index, 640749, 640750, 640751 organic materials, thermal degradation, seawater/pore water, hydrothermal maxima, 640739 640765 interaction, 640682 mineral matter, 640739 oxygen minimum zone, 640769 sedimentation rate, 640682 minerals, 640742, 640743 402 Guaymas Basin N

palynological residue (Cont.) Mesozoic magnetobiostratigraphy, Atlantic Ocean NW, regional aspects, 110964 organic matter, 640735, 640744, 640746 Cenomanian-Maestrichtian interval, 720941 Blake Spur, north rim, 440085 pyrite, 640739 18O, 720412 depositional supercycles, relation to sand, 640739 Paleomagnetism, 770232 paleo-Gulf Stream, 950706 sediments, 640729, 640751 Sr, paleoceanographic reconstitution, 720405 glaciation, Pliocene-Pleistocene, 120956 terrigenous crystals, 640739 Tertiary-Cretaceous sediments, lithology, 120169 terrigenous material, 640752 paleomagnetic results, 430787 Cenozoic biogeography, 120447 turbidite, 640739 trace elements, Cretaceous/Tertiary Mexico, Gulf of, regional aspects, 100737 perylene, 960789 boundary, 720402 micro facies, sediments petroleum generating potential, 640871 Guerrero, 660521, 660727 Antarctic Bottom Water, 440492 thermal maturity, 640875 continental margin, petrology, 660429 Arctic Bottom Water, 440492 Pigmy Basin, biological markers, 960785 Guiana, 140008, 140283, 780345 bottom current, 440492 pollen, 641217, 641220, 641225 Atlantic Ocean SW, basin, evolution, 360996 currents, surface, 440492 climate, 641231 Brazil, shield, 360996 New Jersey Transect, 950808, 950809 protokerogen, hydrothermal effects, 640905, continental, current, 780345 Northern Hemisphere, glaciation, 720987 640906, 640908, 640910, 640912 Guiana Basin, 040003, 390453, 390463, 390477, origins, 760931 radiocarbon dating, 640757, 640758 390488, 720805, 720806, 720807 Orphan Knoll, 121181 accumulation rate, 640758 Atlantic Ocean S, 391099 oxygen isotope, carbon isotope, 800802, rift, 641123 terrigenous sediment, 390453 800803 sand, 641307 Vema Fracture Zone, 390465 paleoenvironment, gyre, 800818 sources, 641308 Vema Fracture Zone, 040662 sedimentary environments, surface currents, terrigenous sediment, 641309 Guiana Basin SW, Belem Ridge, 040661 440976 sediments Guinea, 391064, 410023, 760842 sedimentary evolution, 430817 geochemistry, 640695 Atlantic Ocean C, basin, 511504 stable isotope analysis hydrocarbon, CrC8, 640763 Guinea Basin, 400359, 740042 carbon isotope, 800802 slope, 640417, 640523, 640563, 640687, Guinea Fracture Zone, bathymetric surface water, 800797 640717, 640784, 640845, 640887, 640905, reconstruction, 511506 Gulf Well Secca Fawn-1, 230809 640925, 640946, 641191, 641207, 641239 Guinea, Gulf of, 270383, 411178, 42B0744, Gunflint chert, 620724 diatomite, 641179 720413, 720980, 750518 Gunz-Mindel inter glacial stage, glaciation, diatomite, laminated, 641177 Atlantic Ocean S, Cretaceous, 720980 Pliocene-Pleistocene, 120959 laminated vs nonlaminated sediments, Guinea Nose, 760467 Gurian Basin, 42B1017 640921 Guinea Rise, 391066, 750035 Guwayza Formation, 760875 mud, diatomaceous, 641191 Guinea-Bissau, Africa W, 38S0841 Guyana, continental margin, 140974 organic geochemistry, 640921 Gulf Basin C, 640588 Guyana Basin stable isotope, carbonate, 650384 Gulf C, 640587, 640866, 640975, 640980 climate, 140955, 140972 tetrapyrrole, geochemistry, 640789, 640790, Gulf Coast, 010415, 010424, 050564, 110501, synthesis, general, 140972 640795 110504, 110549, 120441, 150926, 170407, eustatic rise, 140974 trace elements 200055, 230608, 360282, 400783, 720944, glaciation, 140974 East Pacific Rise, 650596, 650608 720946, 751274, 760646, 770235, 770257, reflection horizon, 140972 Tamayo Fracture Zone, 650596 930974, 931358, 950262, 960602 sea floor spreading, 140974 triterpene, C28, 790791 America, 110501 sea level, 140973 trough, 640815 basin, 100314 subsidence, 140974 turbidite, mud, 640512 Campanian/Maestrichtian boundary, boundary tectonics, 140972 Pliocene, Quaternary, 640512 correlations, 720946 terrigenous material, 140973 Guaymas Basin N carbonate, isotope chronostratigraphy, gyparenite rift, 640724, 640887, 640906, 641297 960675 evaporites, Messinian, 42A0596, 42A0598, tetrapyrrole, geochemistry, 640807 continental margin, 960675 42A0600 Guaymas Rift, 640007, 640260, 641124 Cretaceous foraminifers, 440664 lithology, 42A0235 Gubbio, 130981, 200105, 390628, 391113, diapir, salt, 010085 gypsiltite, evaporites, Messinian, 42A0600 430023, 430605, 430606, 430785, 430787, Jackson Group, 730632, 730633 gypsrudite, evaporites, Messinian, 42A0596, 430814, 430871, 47B0608, 720178, 720404, limestone, shallow water, 440413 42A0598, 42A0600 720405, 720414, 720415, 720723, 720724, lithology, basin, 100314 gypsum, 130673, 130680, 42A0583, 710361 720726, 720727, 720729, 720933, 720939, Louisiana, shoals, 100003 Africa SW, continental margin, 400470, 720945, 720949, 720951, 730284, 730615, Mesozoic magnetobiostratigraphy, North 400474, 400478 730630, 730631, 730653, 730657, 730658, America, 720944 Albian sediment 740014, 740018, 740469, 740473, 740505, Moroccan Basin, margin, 500811 geochemistry, 480870 740525, 740529, 740530, 740625, 750578, North America, 760878 mineralogy, 480870 770232, 860513, 860793, 860794, 930881, North America E, 330507 Algeria, continental shelf, 42B1181, 42B1183 950375 petrology, sand, 960498 alteration, low-temperature, mineralogy, Atlantic Ocean, 801055 saline basin, 010456 450609 Atlantic Ocean C, magnetic anomaly, 391113 salt, Jurassic, 790524 anhydrite, compressional wave velocities, Atlantic Ocean NW, 720730, 720734, 720737 Texas W, 100117 130596 Atlantic Ocean S, 720941 United States, 181077, 670602, 720738, Atlantic continental margin 13C, 720415 720757, 770585, 860338 interstitial water chemistry, 130809 Campanian/Santonian boundary, 720946 United States NW, 390657, 440413 mineralogy, 010354, 121132 carbonate Gulf Coast Midway Group, 390248 Atlantic Ocean sequence, 770539 Gulf E, shelf, proto Gulf, 640579 Cenozoic sediments, 140809, 140815 Sr, 720404, 720405 Gulf of Elat. See Aqaba, Gulf of Cretaceous sediment, 140809, 140815 Tethys, 8.01055 Gulf of Gascogne. See Biscay, Bay of geochemistry, 47B0432, 47B0435 continental margin, subduction, 660435 Gulf SC, 640576 mineralogy, 47B0432, 47B0435 Cretaceous/Tertiary boundary, 720951 Gulf Stream, 020009, 38S0019, 430712, 430715, Atlantic Ocean N, mineralogy, 431023, 431025 Long Normal Zone, 720947 430813, 440085, 440492, 440976, 490529, Atlantic Ocean NE, evolution, 411227, 411229 Magnetic Anomaly, 34, 720946 490586, 490861, 710837, 740658, 760931, authigenic minerals, Miocene, 710365 magnesium, 801057 800797, 800802, 810696, 810856, 931354, Balearic Plain Cretaceous sediments, 801060 931357, 950465, 950494, 950607, 950706, halite, 130709 Tertiary sediments, 801060 950796, 950808, 950809 mineralogy, 130679 Gyre Basin 403

Balearic Rise, mineralogy, 130676, 130678 isotopes, stable oxygen, dolomite, 42A0484 pyrite, microcrystalline, ooze, barite, authigenic, origin, 410922 isotopic composition, Messinian sediments, nannofossil, 260605, 260606 basalt, alteration, 450609 42A0637, 42A0641, 42A0647, 42A0648, recrystallization, 42A0580 beef-in-shale, 360866 42A0649 Red Sea Biscay, Bay of, shale, black, 480848 Israel, history, 42B1206 evaporites, 230821, 230824, 230830, Black Sea, interstitial water, 42B0648 limestone, compressional wave velocities, 230835, 230841, 230949 Blake Ridge, 760414 130596 geochemistry, 230983, 230995, 230997 Brazil Basin, minor sediment components, lithology, 130070, 130124, 130152, 130490, sediment history, 230857 721003 150176, 150368, 150413, 250031, 260078, regional seismic grid, borehole data California, Gulf of, gulf mouth, 650365, 260159, 260363, 270019, 270093, 330043, extrapolation, pre-Campanian 650401, 650410 330045, 330167, 42A0067, 42A0068, depositional history, 950775 caprock 42A0233, 42A0234, 42A0235, 42A0328, Rio Grande Rise N, regional setting, 250698 Palynology, 010438 42A0182, 42A0230 sand, diagenesis, 660510 petrology, 010438 ash, 260161 sapropel sulfur isotope, 010460 Balatino, 42A0235 petrography, 130714, 130717, 130719 carbon banded, 42A0235 sedimentology, 42A0457, 42A0459 geochemistry, 42B0718 bedding, 130152 sedimentology, 960502 stable isotopes, 42A0484 buckling, 130152 sulfate, 010564 carbonate, 42A1211 chevron folds, 130152 stable isotope, 42A0659 stable isotope, 42A0654 clast, 42A0036, 42A0037 trace elements, distribution, 42A0504, carbonate, diagenetic, isotopic survey, conglomerate, 130198, 42A0235 42A0506 630597 evaporites, 130103, 130196, 130425 Tyrrhenian Basin, compressional wave Caribbean Sea, sediments, 150929, 150935 marl, dolomitic, 130487 velocities, 130596 chemistry, 650418 marl, pyritic, 130487 Tyrrhenian Rise chert, geochemistry, 620725, 620730 Mesozoic deposits, 47B0051, 47B0053 interstitial water, 130808 compressional wave velocity, Mediterranean sandstone, 130155 mineralogy, 130608, 130680, 130681 Sea, 130595 selenite, 130152 Valencia Basin, 131436 cone-in-cone texture, 360866 lueneburgite, Miocene sediments, 42A0662 gypsum, alabastrine, evaporites, Messinian, Cyprus, evaporites, 42B1186, 42B1188, Manihiki Plateau, deposition, 330888 42A0505, 42A0591, 42A0595, 42A0598 42B1191, 42B1192 Mazagan Escarpment, 790524, 790904 gypsum, authigenic, Falkland Plateau, 710361 diagenesis Mazagan Plateau, 790500, 790826 gypsum, black, evaporites, Messinian, Caribbean Sea, 020422 Mediterranean Ridge 42A0596, 42A0597 Mediterranean Sea, 130721 interstitial water chemistry, 130809 Gypsum Formation, 131236 slope sediments, 840575, 840585 mineralogy, 130669, 130684 gypsum, recrystallized, isotopic composition, environment, 42A0459 Mediterranean Sea Messinian sediments, 42A0648 sapropel, 42A0457 Levantine Basin, 130669 gypsum, saccharoidal evaporites lithostratigraphy, 131036, 131037 Cyprus, evaporites, 42B1189 Mediterranean Sea, 130700, 130701, Messinian, 130673, 130675, 130677, isotopic composition, Messinian sediments, 130702, 130706 130678, 130679, 130680, 130681, 130682, 42A0648 Messinian, 42A0573, 42A0577, 42A0580, 130683, 130689, 130690 gypsum, selenitic 42A0581, 42A0582, 42A0583, 42A0584, mineralogy, 130605, 130608, 42A1158, evaporites, Messinian, 42A0573, 42A0595, 42A0586, 42A0587, 42A0588, 42A0595, 42A1163, 42A1165 42A0598, 42A0603, 42A0605 42A0596, 42A0598, 42A0599, 42A0607 Neogene, 131258 lithology, 42A0328 Miocene, 131235, 131236, 131237, 131238 Tyrrhenian Basin, 130667 gypsum-dolomite-mudstone cycle, lithology, Falkland Plateau, basement, 360907 Mediterranean Sea E, history, 42B1206 42A0182 geochemical history Messinian environments gypsum-mudstone cycle, evaporites, Messinian, Jurassic-Cretaceous, 710406 Lago Mare, 42A1023, 42A1024 42A0583, 42A0584, 42A0585, 42A0586, sedimentation, 710404 Messinian fossils, 42A1017 42A0587, 42A0588, 42A0589, 42A0591, geochemistry, Cenozoic sediments, 42B0585 salinity crisis, 42A1006 42A0592, 42A0593 Guatemala, trench, 670516, 670518, 670522, Mexico, Gulf of, regional aspects, 010626, gypsum-pyrite, 38S0771 670524 100737 gyre halite, chemistry, 42A0614, 42A0618 mineralogy, 130717, 130719, 330543, Alaska, 620363 Hess Rise, pyrite-marcasite, 620856 38S0138, 650418 Cenozoic paleoceanography, oceanographic hydrothermal alteration, sediments, 650419, turbidites, 130714, 130717 setting, 901494 650420 Mississippi, margin, 960704 East Pacific Rise, 920585 Indian Ocean C, 240690 Mississippi Fan, sediment, 960432 East Pacific Rise C, biostratigraphy, 920255 minerals, 240682 Neogene formations, paleogeography, Gulf Stream, 800818 Indian Ocean E, lithology, 271010 42A0908, 42A0909, 42A0919 Labrador Sea S, deep current-controlled Indian Ocean NW, volcanic components, 241061 Nile Fan, mineralogy, 130669 sediment body, 121161 Indian Ocean W, 240672, 241062 Norwegian Sea, Greenland Sea, 38S0438, Lord Howe Rise, Neogene evolution, 901361 Aden, Gulf of, 240721 38S0440 New Jersey Transect, 950806 authigenic components, 240664, 240674 oil Pacific Ocean N, 050309 halite, 241062 Palynology, 010438 Pacific Ocean SW, Cenozoic, 300681 mineralogy, 42A0385, 130605, 130608, petrology, 010438 paleoclimatology, estimated temperatures, 130610, 150847, 150848, 150849, 150850, sulfur isotope, 010460 800703 160529, 160530, 160531, 170518, 181016, oxygen isotope, Pacific Ocean SE, 920559 paleoenvironment, Gulf Stream, 800818 181017, 240814, 411075, 411077, 411084, Pacific Ocean C, mineralogy, 330543 stable isotope analysis, 800802 42A0368, 42A0370, 42A0377 Pacific Ocean SE, 920556 surface water, 800797, 800799 terrigenous sediment, 241054, 241055 major-ion correlations, 920552 temperature gradient, Pacific Ocean S, interstitial water, 010404, 010406 pebbles, petrography, 801040 901357 chemistry, 240803, 960708 - - - Guaymas petrology, 960502 gyre, anticyclonic Basin, 640683 clay, 960502 Atlantic Ocean S, Paleogene, 720983 diagenesis, 42A0566 sand, 960499 Goban Spur, planktonic foraminifers, 800793 diffusive behavior, 42A0565 silt, 960502 paleoenvironment, 800818 mineral studies, 410913 potash, chemistry, 42A0614, 42A0618 surface water, 800818 isotopes, stable, sulfate, 130786 pyrite, authigenic, 710361 Gyre Basin, 960361 404 Gyrolite

gyrolite basalt, oceanic, mineral, secondary, 610648 Costa Rica Rift, basalt, 690522 diagenesis, slope sediments, 840577, 840588 gyrolite-triscottite, basalt, oceanic, Melanesian Basin, 610654, 610658, 610659 gyttja, environment, 42A0446

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