Index [Italic page numbers indicate major references]
Agency basin, 189, 194, 195 amplitudes, 385 Appalachian seismic line, 633 Abo Pass, 271 azimuth, 698 Appalachian suture zone, 416 Acadian orogeny, 323, 324, 341, 460 Blake Spur magnetic, 365,367 Appalachian trend, 536 accretion, 752 Bouguer, 37, 38, 40, 178, 186, Appalachians, 317, 389, 391, 400, Appalachian, 764 241, 255, 256, 261, 266, 421, 449, 459, 536, 563, 646, 666, continental, 125 510, 518, 701, 724 764, 768 Cordilleran, 763 Brunswick magnetic, 365, 391, central, 464 Jurassic, 764 395, 647 geophysics, 317 late Paleozoic, 763 causes, 384, 385 northern, 319, 321, 326, 327, tectonic, 762, 768 Central Plains, 442 334, 341, 342, 460, 464, 627, Triassic, 763 East Coast magnetic, 351, 365, 749, 769 Adirondack highlands, 636 376, 647 orogenic episodes, 323 Adirondack line, COCORP, 635 free-air, 40, 106, 118, 367, 671, Paleozoic evolution, 323 Adirondack lowlands, 636 674 reflection profiling, 333, 337, Adirondack Mountains, 319, 325, gravity, 5, 38, 40, 50, 104, 106, 338, 627 326, 336, 339, 341, 431, 750, 107, 115, 118, 187, 255, 256, southern, 319, 326, 330, 338, 751 257, 268, 298, 299, 302, 325, 342, 464, 506, 563, 637, 647, central, 330 342, 367, 384, 406, 413,417, 724, 768 African basement, 337 420, 421, 439, 510, 518, 589, Appalachicola basin, 354, 397, aftershocks, 550, 556, 557, 564, 566 392, 671, 674, 758, 759 agate, 264 426 Greenleaf, 5 Ahner model, 327 Apparent Polar Wander Path (APWP), intermediate-wavelength (IWL), Airy-Heiskanen model, 408,410 62 alaskites, 461 413, 416, 421 Arabian Shield, 773 isostatic gravity, 37, 40, 367, 410 Archean craton, 165, 279 Albion Mountains, 164, 595 isostatic residual, 416, 418, 421 Archean crust, 585, 588, 755 Albuquerque basin, 271, 272 linear magnetic, 367 Archie's law, 74 Alet Bay volcanic belt, 111 low-gravity, 417 arcs Aleutian arc, 713 magnetic, 3, 50, 53, 56, 57, 107, accreted island, 752 Aleutian lava xenoliths, 713 111, 323, 325, 351, 353, 365, island, 375 Aleutian trench, 3 384,417, 484, 533, 671, 758 magmatic, 744, 745 Alleghanian orogeny, 324, 344, 460 marine magnetic, 115 oceanic island, 763 Alleghanian suture, eastern terrane, midcontinent gravity (MGA), 299, volcanism, continental, 746 646 386, 389, 394, 397 Arctic Canada, 689 alluvium, 213, 396 Minnesota, 588 argillite, 165 Altamah magnetic anomaly, 365 North American Central Plains, Arkansas, 310 alumina saturation, 745 442 arkose, 166 Alvarado Ridge, 252, 276 north-trending, 386 Armorica Massif, 462 Amargosa fault, 774 northwest-trending, 394 Armorica plate, 462 Amarillo-Wichita uplift, 561 Plattsburg, 325 Artists' Drive fault, 774 American Falls Reservoir, 258 properties, 384 ash flows, 757, 762 American plate, 103, 114, 170, 250, regional magnetic, 671 asthenosphere, 2, 114, 187, 368, 253, 533 short-wavelength, 241, 416, 421 515, 683, 698, 700, 772, 773, Ammonoosuc Volcanics, 321 thermal, 506, 515 775, 808, 809 amphibole, 98, 326, 757, 793 Transverse Ranges, 699 Atlantic Coastal Plain, 536 amphibolite, 319, 321, 509, 714, trends, 386 Atlantic Coastal Plain stress 725, 750, 754, 765, 795 anorthosites, 98, 326, 584, 585, province, 534, 536 Anadarko basin, 304, 391, 395, 561, 605, 636, 72 7, 751, 759 Atlantic continental margin, 3, 349, 589, 769 Antelope Island 213 350, 356, 359,365,367,370, andalusite, 747 Antler orogeny, 168, 763 373,376, 534, 666, 673, 773, Andean magmatic belt, 253 Apache basin, 165 801, 807 andesites, 752, 754, 758, 784 Apache Group, 165 Atlantic Seaboard, 534 anhydrite, 795 Appalachian belt, 447,460,464 Atlantic spreading center, 354 Animikie basin, 586 Appalachian décollement, southern, attenuation, 91, 98, 166, 171, 418 Animikie slate, 586 327, 334, 336 measurements, 92 anisotropy, 91, 198. 329, 331, 340, Appalachian displaced terranes, 461 pore pressure, 97 583, 658, 717 Appalachian gravity gradient, 647 seismic, 15, 19, 91, 92 mineralogie, 809 Appalachian Highlands, 505, 565 Attica, New York, earthquakes, 563 seismic, 98, 716, 724, 809 Appalachian mountain belt, 319, 343 Augusta fault zone, 646 shear-wave, 722 Appalachian orogen, 417, 627, 637, aureoles, 755 velocity, 583, 682, 686 647, 648 Avalon basement, 460, 461 Anna, Ohio, earthquakes, 563 Appalachian Piedmont, 752 anomalies Avalon belt, 323 Appalachian province, 340,401 Avalon terrane, 319, 324, 342, 460, aeromagne tic, 171 northern, 332 462,464 , 648
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backstripping, 372 sedimentary,727, 349, 351, 354, anticlinorium, 702 bacteria, magnetite-producing, 64 368 Bronson Hill-Merrimack belt, 632, Bahamas basin, 351 bassanite, semihydrate, 795 634, 637 Bahamas fracture zone, 354, 377 Battle Mountain, 237, 241 Brooks Peninsula, 111 Baja California, 475, 480, 486 Battle Mountain High, 511, 512 Brunswick magnetic anomaly (BMA), Balmuccia peridotite, 754 heat-flow, 434, 700 326, 337, 363, 365, 391, 395, Baltic shield, 795 Bay of Fundy-Nova Scotia, 648 647 Baltimore Canyon trough, 351, 360, Bear Lake, 258 Buffalo Siltstone poles, 456 367, 373, 376 Bear River Range, 258 Burdick-Helmberger model, 2 model, 365, 367 Bear Valley, 604 Baltimore gneiss domes, 319 Beartooth Mountains, 256 Cache Valley, 258 Barachois Formation, 461 Beaver Valley, 222 Calabria, 714 basalts, 116, 119, 145, 299, 393, Beck Spring Formation, 165 Calaveras fault, 545, 550 397, 589, 599, 712, 744, 754, Belt basin, 397 calderas, 171 756, 757, 759, 761, 771, 796 Belt Supergroup, 165, 252 California Basin and Range, 142 high-alumina, 752 Benioff zone, 153, 171, 323, 807 California borderland, 103, 104,130 low-porosity, 784 earthquakes, 155 California Coast Ranges, 500, 514, magnesian, 756 Benton uplift, 647 525, 527, 749 oceanic, 121, 784 Benz model, 244 California, 3, 108,129, 480 olivine, 756, 757 Berkshires, 321, 323 central, 108, 137,138, 439, 605, pillow, 393, 756 Bight basin, 629 698 tholeiitic, 752 Billings anticline, 506 models, 698, 699 basement bimodality, 744 northern, 20, 108, 137,138, 698 cratonic, 285 Bingham, Utah, 258 southern, 130,133,433, 662 crystalline, 256, 260, 292, 356, Bingham Canyon copper mine, 209, Campeche Escarpment, 354, 365 385, 394, 396, 417, 426, 506, 210, 238 Campeche Shelf, 356 581, 768 Bingham line, 258 Canada, 655, 681 oceanic, 344, 353 biotite, 199, 757 eastern, 319 structure, 350 Bishop tuff, 138 southeastern, 442 Basin and Range-Rio Grande rift, Black Rock Desert, 430 southern, 292, 304 530, 607 Blake Escarpment, 362 western, 689 Basin and Range extension, 193 Blake Plateau, 367 Canadian CO-CRUST project, 287 Basin and Range province, 5, 137, Blake Plateau basin, 351, 362 Canadian Maritime coast, 460 138,163,172, 192, 236, 237, Blake Spur magnetic anomaly Canadian Rocky Mountains, 166, 459 245, 276, 418, 419, 430, 431, (BSMA), 352, 365,367 Canadian Shield, 7, 285, 293,446, 433, 442, 443, 502, 509, 516, Blanco fracture zone, 114 457, 505, 506, 508, 685 517, 527, 530, 532, 535, 536, Block Island fault, 362 models, 293, 685, 686 552, 589, 608, 662, 666, 667, Bloody Bluff fault, 323 Canadian upper mantle, 686 671, 688, 697, 720, 744, 756, Blue Mountains, 145, 512, 752 Canyon Range, 217 770, 807 Blue Ridge, 768 Cape Ann, Massachusetts, earthquake, core complex belt, 629 Blue Ridge belt, 642 565 deformation rates, 228 Blue Ridge Province, 319, 637 Cape Breton Island, 462 earthquakes, 223, 226 Blue Ridge thrust sheet, 319, 646 Cape Hatteras, 356 eastern, 205, 210, 223, 239, 245, Blue Ridge-Inner Piedmont thrust Cape Mendocino, 103, 114,137, 545 595 sheet, 644 Cape Mendocino triple junction, 104 extension rates, 229 Bodega basin, 108 carbonates, 319, 352, 356, 454, 608, geophysics, 177,205 Bonneville Basin, 186 793 heat flow, 497,510,511 Borah Peak, 190 Carolina platform, 377 heat production, 497 earthquake, 190, 206, 223, 530, Carolina slate belt, 319, 323, 326, models, 179,210,226,237,244, 556 331, 342, 644 511,688, 700 Borderland, 133 Carolina trough, 351, 360, 365, 367, Moho, 761 Boston Basin, 460 375, 376 northern, 178, 228, 244, 276, Boston-Ottawa zone, 565 Carson Desert, 189 531, 535, 593, 761 Bouguer gravity anomaly, 37, 38,40, Carson Sink, 181, 186, 434, 593 reflection surveys, 239 178, 186, 241, 255, 256, 261, Cascade convergence zone, 533, 536 southern, 417, 530, 600 266, 421, 510, 518, 701, 724 Cascade convergent, 525 strain rates, 228 Bouguer gravity field, 118, 212, 240, Cascade graben, 118 tectonics, 163,205 268, 275, 325, 342, 389, 394, Cascade model, 720 thermal regime 510 398, 406, 407, 421, 506, 647 Cascade Range, 146, 148, 150, 533, velocity-depth models, 240 Boulder batholith, 280, 749 690, 700, 752, 772 western, 138,177,179, 239, 244, Boulder City, Nevada, 428 heat flow, 498,513 245 Brandywine fault, 564 heat production, 497 basins Brevard fault zone, 319, 343, 623, high, 145 fore-arc, 138, 155 768 models, 700 intermountain, 427 reflection profiles, 333 modern, 145 marginal, 350 Brimfield Schist, 326 thermal regime, 513 ocean, 485 Bronson Hill anticlinorium, 321, volcanoes, 807 pull apart, 130, 133, 516, 602 323, 326, 341, 344, 636 western, 145 rift, 349, 351, 354, 360, 362 Bronson Hill-Boundary Mountains Cascade volcanic arc, 118
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Cascade volcanic zone, 103, 442, COCORP, 180, 627, 635, 636, 646, earthquakes, 556 533 647, 804 eastern, 279, 280, 683 Cascade volcanism, 114, 807 collisions models, 226, 683 Cascadia abyssal plain, 118 arc-continent, 324 northern, 605 Cascadia plate, 533 continent-continent, 392, 401, Sierra Nevada, 555 Cascadia volcanic arc, 554 460, 769 strain rate, 228 Casper Arch, 261, 585 continental, 768 western, 480, 484, 535, 536, 550, Cathedral Peak pluton, 749 plate, 392, 400 683, 800 Catskill red beds, 456 shortening, 768,769 Cordilleran hinterland, 595 Cedar Mountain, Nevada, earthquake, Colorado mineral belt, 252, 268 Cordilleran miogeocline, 168 558 Colorado Plateau province, 44 Cordilleran orogen, 164, 250, 605 Cenozoic, 170, 206, 253, 560 Colorado Plateau, 163,170,205, Cordilleran stress province, 525 faults, 558 239, 241, 245, 254, 274 , 279, Cordilleran thermotectonic anomaly Central Lowlands, 505 396, 398, 417, 426, 440, 459, region, 245 Central Plains, 440 516, 527, 536, 545, 556, 589, Corral Canyon volcanics, 480 Central Plains anomaly, 442 662, 666, 667, 673, 712, 765, Coyote Lake, 550 chain, gravity-high, 392 768, 770 earthquake, 550 Chains Lake Massif, 338 Colton-Carthage mylonite zone, 636 craton, North American, 3, 5, 68, Challis-Absoroka volcanic field, 253 Columbia Basin, 512, 533 250, 252, 287, 402, 447, 459, Channel Islands, 106 Columbia Plateau, 145, 146,151, 477, 478 Charleston, South Carolina, 236 cratonization, 164 earthquake, 564, 647 basalte, 393, 397 Cretaceous, 206, 253, 472, 484 Charlotte belt, 319, 323, 326, 331, heat flow, 497 Crowley Lake, 559 333, 342, 506. 642, 644 heat production, 497 crust, 1, 123, 199, 286, 307, 325, chert, 166 models, 691 350, 354, 358, 375, 377, 398, Chester dome, 637 Columbia River basalt plateau, 772 494, 504, 584, 618, 627, 655, Cheverie pole, 457 common-depth-point (CDP), 373 666, 673, 772 , 793 Cheyenne belt. 263, 268, 279, 584, compression. 525, 532, 533, 536, ancient, 725 585 584, 602 anomalous, 292 Chiburis model, 327 crustal, 206 Archean, 585, 588, 755 Chilas complex, 753 conduction basal, 753 Chinle, Arizona, 239, 273 electrical, 73, 793, 797, 806 borderland, 106 Chinle Formation, 456 electrolytic, 73 chemistry, 712,719,723 chlorites, 793 metallic, 73 composition, 96, 605,711 Cholame, 550 steady-state, 504 cratonic, 292 Chuar Group, 165 conductivity 72, 75, 341, 431, 435, cross sections, 304, 714 Churchill province, 686 444, 501, 504 , 801 crystalline, 285 , 292, 307, 310, Churchill rocks, 285 profiles. 71,73,443 352, 578, 589, 658 Cincinnati arch, 394 rock, 426 density, 416, 420 Clarendon-Linden fault zone, 563 sounding, 76 electrical structure, 71,241,425, clay, 784 structures, 430, 442 442, 443, 801 Clear Lake geothermal area, 140 thermal, 505 evolution, 745 Clear Lake volcanics, 140 Conecuh basin, 354 extension, 770,807 Cliff Lake, 254 conglomerate, 165, 166, 167, 168 geologic processes, 405, 743 Cliff Lake-Sailor profile, 280 Connecticut Valley synclinorium, layering, 292 Climax line, 264 321, 325, 337, 338, 344, 636 lower, 2, 140, 172, 178, 180, Climax molybdenum mine, 264 Conrad discontinuity, 712, 797 184, 186, 209,243, 245, 263, clinopyroxene, 756, 761 constant offset profile (COP), 373 265, 266, 273, 280, 299, 311, Clinton-Newbury-Bloody Bluff fault Continental Borderland, 106 326, 328, 340, 341, 344, 363, zone, 342 continental drift, 7, 61, 471 376, 444, 504, 509, 589, 593, Clinton-Newbury fault, 323, 326 continental interior, 285,806 607, 629, 674, 712, 719, 724, Coalinga, 605 continental margin, 108,349, 392, 744, 750, 760, 771, 793 earthquake, 525, 553 475, 484, 536 mafic, 773 Coast Ranges, 115, 118, 138,141, crustal structure, 103,121 marginal oceanic, 353, 367, 375 143, 144 . 263, 268, 279, 393, western, 103 midcontinental, 287, 304,307 411, 417, 514, 525, 527, 535, continental shelf, 166, 392, 397, middle, 172, 180, 184, 193, 245, 545, 550, 553, 698, 699, 720, 401, 527, 534, 772 328, 583, 720, 744, 747, 755, 749, 765, 807 continental shield, 687 762, 765, 771 northern, 140 convection, 494, 513 oceanic, 3, 111, 115, 118, 123, ophiolite, 137 deformational, 504 138, 166, 321, 341, 349, 350, southern, 552 ground-water, 501, 507, 510, 518 353, 354, 358, 365, 375, 397, thrust, 141 thermal, 502, 504 494, 722, 764, 772, 793 Coast Ranges province, 137 convergence, crustal, 545, 553 reflections, 578,647 Coastal Plain, 505, 506, 508, 534, convergence zones, 807 refraction, 299 647 Cordillera extensional province, 527, rift-stage, 351, 354, 376 reflection profiling, 333 530, 532 rifted continental, 351 Coastal Province, 133 Cordillera, 206, 236. 254. 279, 387, seismic data, 286, 292, 294, 655, Coastal Ranges, 500, 605 544 666,671 Cochetopa, 266 deformation rate, 228 seismogenic, 545
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stress, 533 fore-arc, 484 Pleasant Valley, Nevada, 558 structure, 103,121, 129,138, hydrothermal ore, 166 Pocatello Valley, Idaho, 558 140, 145,150,178, 213, 216, sedimentary, 421 prediction, 809 249, 285, 292 , 327, 383 , 392, Devonian, 324 prehistoric, 548, 564 397, 545, 577, 613, 714, 783, Diablo Range, 137, 140, 720 San Andreas, 548 791 Diamond Valley, 189 San Fernando, 552 thickness, 4, 91, 104, 109, 111, diapirs San Francisco (1906), 121, 548 123,133,134,138,140,145, mantle, 166 source parameters, 11,13 148, 152, 172, 190, 210,236, salt, 351, 360, 362, 377 teleseismic, 14 254, 256, 270, 275, 276, 280, diorite, 716 traveltime, 17, 20, 109, 148,209, 292, 295, 307, 319, 327, 331, dipole array, 77 236, 327, 331, 804 332, 367, 504, 535, 584, 585, dispersion, surface-wave, 663, 682 upper mantle, 556 658, 662, 666, 673, 761 displacements, 460,461, 484, 486, East Coast boundary fault, 360 thin, 178, 188, 199, 240, 245, 548 East Coast magnetic anomaly 266, 269, 278, 299, 327, 527, crustal block, 472, 475, 484 (ECMA), 351, 365, 376, 647 571, 666, 801 Dixie Valley, 189, 190, 434, 593 East Continent Gravity High, 338, transitional, 123, 179, 185, 186, earthquake, 190, 206, 223 667 188, 265, 350, 351, 352, 354, dolomite, 502, 589, 784, 793 East Pacific Rise, 142, 533, 690 375, 376 downwarping, 106 East Texas Salt basin, 354 two-layer, 330 Duluth Complex, 417, 759 eclogites, 98, 718, 725 upper, 2, 25, 136, 170, 172, 180, dunite, 725, 761 El Paso, 434 189, 200, 208, 212, 213,216, Durango, 266 El Reno, Oklahoma, earthquake, 561 245, 256, 263, 266, 268, 271, Durwood Meadows, 527 Elberton Granite, 642 278, 304, 328, 337, 351, 376, electric field measurements, 428 406, 494, 524, 536, 545, 559, EARLY RISE experiment, 683, 685 Electrical Survey (ES), 75 593, 597, 629, 712, 715, 723, Earth Elkhom Mountain volcanic field, 280 724, 747, 771, 775, 797 crust, 385, 545, 561 embayments, 285, 304, 305, 349, velocity, 2, 416 magnetic field, 72 351, 416,561, 667, 671, 673, volcanic, 772 model, 682 702, 721, 807 Crystal Spring Formation, 165 sphericity, 41 Eocene, 253 crystallization, 754 structure, 16,23 epicenters, 223, 242, 254, 545, 548, Cumberland Plateau Observatory earthquakes, 3, 11, 20, 108, 109, 559, 563, 564, 565 (CPO), 330 153, 190, 206, 208, 223, 226, epidote, 793 Cumberland Plateau, 330, 338, 722 228, 242, 255, 327, 430, 525, erosion, 123, 589, 746, 750, 769 Curie isotherm, 7, 389, 518, 806 533, 541, 554, 558, 566, 682, subcrustal, 111, 674, 765 690, 700, 783, 801, 808, 809 Escanaba Trough, 114 dacites, 752, 758 Anna, Ohio, 563 Esmond-Dedham terrane, 633, 634 Dalradian terrain, 712 Attica, New York, 563 Euler pivot, 455 Death Valley, 172, 581, 602, 771, Borah Peak, 190, 206, 223, 530, Euler pole, 478, 484, 485, 759, 768 774 556 Eurasia, polar shift, 483 decay, radiogenic, 494 Cape Ann, Massachusetts, 565 Eureka area, 241 deconvolution, 27 Cedar Mountain, Nevada, 558 evolution deformation, 130, 227, 273, 324, Charleston, South Carolina, 564, Cenozoic, 170 392, 504, 530, 533, 535, 545, 647 crustal, 208, 211, 745 559, 564, 584, 592, 751, 761 Coalinga, 525, 553 geotherm, 517 Basin-Range, 228 Cordilleran, 556 Paleozoic, 323 brittle, 227, 584 Coyote Lake, 550 tectonic, 163,164,170 compressional, 527 deep, 14 experiments ductile flow, 227 deformation, 227 EARLY RISE, 294, 683, 685 earthquake, 227 distribution, 544 GLIMPCE, 299 extensional, 770 Dixie Valley, 190, 206, 223 Lake Superior, 7, 294 Laramide, 765 El Reno, Oklahoma, 561 PASSCAL Ouachita, 648 dehydration, 797 Fairview Peak, Nevada, 557 onshore-offshore, 358, 376 metamorphic, 795 focal mechanisms, 536, 545, 550, seismic refraction, 356, 363 mineral, 796 552, 554, 559, 565, 566 exploration, hydrocarbon, 439 Dellwood Knolls, 111 Fort Tejon, 228, 548 explosions Delta-West profile, 217 Giles County, Virginia, 564 Hudson Bay, 685 demagnetization, 66, 448 Hebgen Lake, 206, 223, 558 Lake Superior, 685 density human activity, 565 nuclear, 123, 682, 683, 687, 697 crustal, 416, 420 Imperial fault, 550 extension, 206, 245, 270, 299, 349, lithosphere, 516 Juan de Fuca plate, 553 370, 433, 509, 512, 527, 531, rock, 385 Kern County, 552 535, 555, 593, 598, 600, 629, Denver basin, 261, 263, 396, 506, local, 14, 17 646, 727, 761, 762 533 modern, 550 back-arc, 155 Denver-Julesburg basin, 426, 584 Morgan Hill, 550 cold, 772 deposits occurrence, 545 crust, 770 basin, 385 Oroville, 527 hot, 770 carbonate bank, 354, 356 Owens Valley, 228, 532 clastic, 354 Parkfield, 550 Fairview Peak, Nevada, 190
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earthquake, 557 flysch, 168 Gorda Ridge, 114 Fall line, 536 Foothills Metamorphic Belt, 138, Gorgonio Pass, 547 Fallon basin, 189 141 Goshute Valley, 189, 190 Fallon-Eureka Fort Tejon earthquake, 228, 548 graben crustal structure, 188 Fourier transforms, 52, 409 formation, 593 refraction profile, 179, 186, 243 fractionation, crystal, 713 rift, 270, 362 velocity models, 237 fracturing, 351, 444 gradients Farallón plate, 170, 171, 253, 485, Franciscan assemblage, 137, 140, anomaly, 385 698, 749, 764 141 crustal velocity, 91, 618 faults Franciscan Complex, 108, 114 geothermal, 715 active, 554 Franciscan tectonic wedge, 141 gravity, 392, 412, 416 Amargosa, 774 Fraser Range, 714 horizontal, 417 ancient Ephram, 166 Fresnel zone, 194, 581 linear, 392 Artists' Drive, 774 Front Range, 263, 264,442, 443 thermal, 68, 502, 716 block, 351 model, 713 topographic, 532 Cenozoic, 558 Furnace Creek fault, 602, 774 velocity, 26, 91, 618, 723, 683, detachment, 370, 765, 770, 772, 797 800 gabbro, 605, 754, 759 Grandfather Mountain window, 319, extensional, 593 , 602 olivine, 723 343 Furnace Creek, 774 Gabilan Range, 151, 720 granite, 121, 245, 252, 324, 327, high-angle, 584, 598 Galveston, Texas, 363 416, 428, 585, 597, 601, 605, left-lateral, 554 Gambler High refraction data, 299 712, 716, 724, 747, 750, 755, listric, 190,213, 231, 242, 586, Gambler Low refraction data, 299 756, 760, 765, 784 593 Gander terrane, 637 muscovite, 509 low-angle, 192, 222, 231, 242 Garibaldi Peak, 533 I-type, 745 normal, 136, 142, 173, 189, 193, Garlock fault, 130,133, 136, 138, S-type, 745 199, 200, 206, 216, 222, 239, 527, 553, 601, 602 , 608 two-mica, 193 242, 525, 527, 530, 532, 536, garnet, 587, 716, 725, 749, 754, Granite Mountains, 260, 261 556, 558, 565, 589, 592, 593, 755, 761 granodiorite, 747, 749, 750, 754 598, 646, 771 GCA model, 690 granulites, 341, 589, 725, 761, 765, offshore, 545 geomagnetic data, 440 793 pre-Cenozoic, 561 geomagnetic field, 61 garnet, 714, 720, 725, 793 preexisting, 566 geometry mafic, 715 reverse, 264, 395, 525, 532, 534, continental shelf, 392 graphite, 326 536, 550, 553, 565, 581, 585 fault, 213, 216 Grass Valley, 189 reverse boundary, 391 flightline, 47 gravity, 325, 342 right-lateral, 545, 566 reflector, 27 allochthon, 392 secondary, 547 subsurface fault, 189 data, 35, 36, 37,38, 39,367, seismogenic, 562, 566 geophysics, 177,205,235,317,802 407,409,416,418 strike-slip, 130, 172 , 228, 326, zones, 386 field, 35, 406, 407, 409, 416 525, 527, 531, 533,545, 555, Georges Bank, 367, 376, 648 gradient, 392, 412, 416 602, 774 Georges Bank basin, 351, 359 highs, 106, 150, 296, 325, 385, surface, 560 Georges Bank hinge zone, 351 386, 391, 393, 396, 397, 398, thrust, 411, 602 Georgia coastal plain, 647 400, 410, 411, 416 transcurrent. 111, 326 Georgia lines, 646 intensity, 164 transform, 3, 130, 142, 143, 486, Georgia Piedmont, 326, 431 isostatic residual, 405,411,412, 545, 55J, 565, 774 Georgia suture, 647 419 young, 164, 200, 534 Georgia transect, COCORP, 627 lows, 106, 109, 325,391,393, Fillmore arch, 166 geotherms, 504, 507, 508, 512, 516, 396,398,400, 410, 416 filtering, 24, 52, 53, 620, 623 518, 545, 556, 744 map, 39 Fiordland, 714, 725 evolution, 517 measuring variations, 36 Fisher model, 65 Geysers geothermal area, 140, 143, meters, 35 Flaming Gorge-American Falls line, 439 predicted, 38 258 Giddings Brook thrust, 636 reduction process, 37 Flaming Gorge Reservoir, 258, 261 Gilbertown, 354 sliding, 593 Flathead Lake, Montana, 254 Giles County, Virginia, 564 theoretical, 37, 38 Flin Flon district, 724 earthquake, 564 graywacke, 130, 321 Florida shelf, 365 glacial till, 428 Great Basin, 172, 241, 511, 530, Flournoy Formation, 116 Glance Conglomerate, 480 691, 770, 774 flow GLIMPCE experiment, 299 crust, 553 ground-water, 502, 506, 518 Global Positioning System (GPS), eastern, 190 heat, 7, 136, 140, 142, 150, 164, 806 models, 691, 692 178, 206, 212, 226, 237, 241, gneiss, 252, 714, 749, 795 Great Lakes, 408 268, 278, 326, 430, 444, 493, GNOME nuclear explosion, 697 tectonic zone, 311, 585 495, 556 Golconda allochthon, 168 Great Plains, 255, 263, 264,277, mafic, 589 Golden, Colorado, 264 279, 505, 506, 516, 534, 666, mantle heat, 326 Gondwana continent, 462 667, 765 rhyolitic, 416 Goochland terrane, 319, 645, 648 central, 535 telluric current, 326 Gorda plate, 114, 142, 554 heat flow, 508
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model, 292 Hartford basin, 632 reflection profiling, 333 southern, 525, 527, 532 Hartford half graben, 632 Intermontane System, 163,173, 235, Great Salt Lake, 213, 593 Hartville uplift, 164 245 Great Valley, 138,140,141, 153, harzburgite, 761 Bouguer gravity map, 240 393, 527, 619, 698 Hawaiian-Emperor chain, 63 geophysics, 235 eastern, 525 Hayward fault, 545 heat flow, 241 western, 109 Hazelton Formation, 479 seismicity, 242 Great Valley high, 393 heat flow, 7, 136, 140, 142, 150, stress, 242 Great Valley province, 137 164, 178, 206, 212, 226, 237, tectonic evolution, 163 Great Valley sequence, 137, 141 241, 268, 278, 326, 430, 444, International Gravity Standardization Green Mountain massif, 636, 637 493,494,495,504, 545, 556, Net (1971), 38 Green Mountain sheet, 769 800, 807 inversion, velocity, 276 Green Mountains, 321, 323, 337, conducted, 494 Inyo Mountains, 749 637 continental, 494, 503 iron, 757, 759 Green River Basin, 260, 262 high, 510, 512, 545, 757 Irving method, 478 Green Valley fault zone, 545 mean, 505 island arcs, oceanic, 763 Green-Sutton-Notre Dame Mountains measurements, 36, 326, 494 isostasy, 406, 410, 761 uplift, 325 shallow, 772 isotherm, Curie, 7, 389, 517, 806 Greenbush Lake, British Columbia, surface, 494, 503, 505, 508 isotopes 254 tectonic, 494 potassium, 494 Greenleaf anomaly, 5 terrestrial, 495 strontium, 757 greenschist, 319, 714, 725, 793 heat generation, 503, 506 isotropy, transverse, 718 greenstone, 166, 555, 714 heat sink, 513 Ivrea zone, 714, 725, 753, 754 , 760 Grenville basement, 319, 337, 636, Hebgen Lake, 228, 254 Ivrea-Verbano Zone, 754 637, 644, 648, 750 earthquake, 206, 223, 558 Grenville crust, 330 Hebgen Lake/Centennial Valley stress Jackpile, New Mexico, 273 Grenville deformation, 768 province, 531 Jackson Dome, 354 Grenville Front, 287, 293, 311 Hecate Strait, 111 James River corridor, 627 Grenville orogeny, 457 hedgehog method, 17, 19, 609, 690 Jay fault, 354 Grenville paleopoles, 457 Helena, Montana, 459 Jeffreys-Bullen Earth model, 683 Grenville passive margin, 325 helium, 796 Jemez lineament, 435 Grenville Province, 304, 317, 321, hematite, 63, 455 Jemez Mountains volcanic field, 270, 340, 457, 636, 667, 702, 750 Hercynian Europe, 462 271 geophysics, 317 High Cascade Range, 145, 513 Jemez zone, 252 refraction models, 329 High Lava Plains, 145, 151,163, Jijal complex, 753 rocks, 285 173, 236, 512 Juan de Fuca plate system, 103, 153, ground water, 494, 503 High Plains, 279 533, 535, 536, 544, 545, 553, Guaymas, Mexico, 486 MT soundings, 440 700, 807 Guaymas terrane, 486 hingeline, 166 earthquakes, 553 Gulf basin, 354, 367 Holbrook model, 244 Juan de Fuca Ridge system, 111, 146, Gulf Coast, 386, 398, 401 Hope Valley terrane, 633, 634 533, 690 Gulf Coast basin, 426 hornblende, 757 Jurassic, 454, 472, 475, 479, 480, fracture patterns, 593 horsts, 391, 602 484, 485 Gulf Coast margin, 3 rift-system, 392 Gulf Coast Salt Dome province, 354, Hosgri fault, 545 Kamila amphibolite, 753 363 hot spots, 63, 256, 257, 512, 691, Kanaraville, Utah, 243 Gulf Coastal Plain, 395, 397, 398 701, 758 Kansas, 298, 588, 608 Gulf of California, 130, 550, 774 Hudson Bay explosion, 685 lithosphere model, 713 model, 691 Hudson Highlands, 321 Kapuskasing structural zone, 714 Gulf of Maine, 647 hypocenters, earthquake, 115, 153, Karroo basin, 589 Gulf of Mexico 565 Kern County earthquake, 552 basement structure, 354 hypothesis Kettle dome, 596, 724 hinge zone, 349 axial dipole, 61 Keweenawan assemblage, 758 profile, 358 dipole, paleomagnetism, 478 Keweenawan magmatic events, 298 spreading center, 354 fault-zone reflection, 582 Keweenawan Rift, 588, 589 Gulf of Mexico basin, deep central, listric-faulting, 593 Keweenawan rocks, 759 354 Kilboume Hole, New Mexico, 714, Gulf of Mexico coastal plain, 506 Iapetus Ocean, 323 715 Gulf of Mexico continental margin, Idaho batholith, 393, 531, 749 kimberlites, 744, 761 349,363,367, 372,375,376 Idaho, 435 Kings Mountain belt, 319, 333, 334, Gulf Rim fault zone, 354, 377 Idaho-Wyoming overthrust belt, 257 336, 637, 644 gypsum, 795 Illinois basin, 310, 394, 774 Klamath Mountains, 2, 109, 119, images, 620, 623,638 144, 411, 500, 514, 764 halite, 501 Imperial fault, 550 velocity models, 148 Hanksville, Utah, 239, 273 earthquakes, 550 velocity-depth model, 2 Hanksville-Chinle line, 273 Imperial Valley, 138, 433 Known Geothermal Resource Areas Hanna basin, 261, 263 Independence fault, 532 (KGRA), 430 Hardeman basin, 310, 589 Induction Electrical Survey (IES), 75 Kohistan Arc, 753, 760 Hardeman County, Texas, 589, 719 Inner Piedmont, 319, 324, 337, 342 Kola Peninsula, 724
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drillhole, 795, 803 drag, 764 rock, 385 komatiite, 756 electrical conductivity, 806 secondary, 66 Kula plate, 485, 749, 764 evolution, 807 magnetometers, 45, 64, 440 kyanite, 769 heat transfer, 501 proton-precession, 46 hole. 515 magnetotellurics, 84, 326, 431, 433 La Garita Mountains, 266 oceanic, 169, 494 , 553, 745, 746, Maine, 648 La Jencia fault, 558 751, 762, 763,. 764, 807, 809 Manila basin, 354 La Malbaie Region, Quebec, 329 strain rate, 517 mantle, 444 Laghi Series, 754 structure, 11 composition, 96, 711, 716 Lahontan Basin, 186, 188 subcrustal, 804, 806 continental, 765 Lake Char fault, 323 surface elevation, 516 defined, 682 Lake County uplift, 563 thickness, 693,698 electrical properties, 241 Lake Huron, 311 Littleton Formation, 321, 324 electrical structure, 71,241,425, Lake Maggiore, 754 Long Island basin, 629 443, 801 Lake Superior basin, 311 Long Island Platform, 338, 362, 377, hot spot, 512 Lake Superior, 273, 287, 294, 304, 633, 636, 646, 648 lower, 63 495, 506, 514, 516, 662, 667, Long Island Platform Line, 36, 627, low-velocity layer. 682, 683, 687, 683, 758, 760 646 693 crust, 295, 508 Long Range, 461 oceanic, 761 EARLY RISE experiment, 683 Long Valley, California, 559, 604 petrology, 715 experiments, 7, 294, 683 Long Valley caldera, 138,142, 512, seismic properties, 655,666,671 explosion, 685 558, 604, 757 structure, 383, 443 gravity models, 298 Los Alamos, New Mexico, 273 Lake Tahoe, 527 upper, 1, 178, 209, 210, 231, Los Angeles basin, 130 Lake Toba caldera, 746 240, 243, 257, 280, 321, 406, Lost River fault, 190 Lamar, Colorado, 263 504, 527, 535, 556, 655, 671, Lamoille Valley, 213 Lovelock, Nevada, 244 673, 681, 703, 744, 805 fault geometry, 213 Lowland Creek volcanic field, 253 velocity structure, 681 seismic structure, 236 Luling, 354 maps Lamotte pole, 457 Lumberton, New Mexico, 266 average elevation, 277 Laramide compression, 509 Bouguer gravity, 37,277 Laramide Event, 764 Maacama fault zone, 545 conductance, 427 Laramide Mountains, 263 Mad River fault zone, 554 contour, 305, 434, 662 , 673 Laramide orogeny, 260, 263, 402, magmas, 151, 245, 257, 280, 298, energy-flux, western United States, 337, 513, 555, 559, 745, 747, 518 411, 703 755, 756, 762 epicenter, 223 Laramide thrusts, 585 gabbroic, 139 filtered terrain, 398 Laramide uplifts, 581, 584 molten, 558 free-air gravity, 37 Laramie basin, 261, 263 production, 172, 173 geophysical, 800 Laramie Range, 261, 263, 264, 268, magmatism, 140, 171, 206, 279, gravity, 35, 38, 385, 386, 398, 584 280, 504, 510, 512, 518, 535, 406, 804 Large Aperture Seismic Array (LASA), 565, 593, 712, 744 , 751, 752, gravity anomaly, 671 255, 703 760 gravity-magnetic zone, 389 Large Aperture Seismic Experiment anorogenic, 744, 760 heat-flow, 505 (LÄSE), 373 arc, 153 magnetic anomaly, 671, 800 Las Vegas Valley, 172 continental rift, 756, 760 magnetic zone, 389 LaSalle Arch, 354 island-arc, 751 North American terrane, 472 lavas, basaltic, 756 margin, 727 physiographic provinces, 525 layering, 578, 583, 587 rift, 744 regional, 671 crustal, 292,299 shoulder, 758, 760 stress, 525 velocity, 4 silic, 770 thermal gradient, 502 lead isotopes, 757 magnetic components, 66 vertical derivative, 416 Lewis ian terrain, 712 magnetic data, 45,49,365 marble, 597, 714, 751 lherzolite, 761, 784 marine, 48 dolomitic, 164 limestone, 167 sources, 48 Marcy anorthosite body, 330, 337, lineaments, amplitude magnetic, 365 magnetic field, 45, 72,325 636 lines magnetic surveys, 47 margin reflection, 627 interpretation techmiques, 49,51 Atlantic, 349, 356, 359, 365, 367, seismic reflection, 359, 362 navigational systems, 48 370,373, 376, 534 sonobuoy refraction, 373 temporal variations, 48 continental, 108, 349, 392, 475, lithosphere, 2, 5, 11, 63, 114, 186, magnetic units, modeling techniques, 484, 536, 585, 605, 700, 807 187, 199, 208, 236, 240, 245, 50 convergent, 115 274, 368, 370, 483, 484, 494, magnetism Gulf of Mexico, 349, 363, 367, 501, 535, 545, 560, 673, 683, rocks, 45, 61, 385 372, 375, 376 688, 700, 713, 802, 804, 808, sources, 63 passive, 168, 252, 279, 353, 636, 809 magnetite, 46, 63, 385, 454 673 continental, 11,91, 713, 727, magnetization, 50, 51, 53, 56, 63, thrust belt, 459 746, 765, 773, 807, 809 67, 445, 448, 449, 487 translational, 104 defined, 208, 516 normal-polarity, 477 Marked Tree-Ridgely lineament, 562 density, 516 reliability tests, 67 Martinsburg pole, 457
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Mary's River Valley, 189, 213 crustal models, 292 Columbia Plateau, 330, 691, 713 Matoy well, 724 layering, 292 compressional wave velocity, 2 Mauch Chunk Formation, 461 seismic data, 287 crust-mantle velocity, 210 Medicine Bow Mountains, northern, Middle Atlantic states, 331, 564 crustal, 179, 186, 292,293, 295, 585 Middle Ground arch, 354 304, 619, 658, 725 Medicine Lake Volcanics, 148, 150 Middle Par, Colorado, 263 density, 2 98 Meers fault, 561 Middleton-Lowndesville cataclastic downward-projection, 700 megafolds, 753 zone (MLCZ), 644 EARLY RISE, 685 megastatics, defined, 599 midplate Earth, 682 megathrust, 765 central United States, 525, 534 East Pacific Rise, 690 Meguma terrane, 648 eastern United States, 525, 534 eastern Cordillera, 683 meladolerite, 784 migmatites, 245, 587, 747, 749, eastern Snake River Plain, 701 melting, 321, 324, 362, 512, 755, 754, 765 eastern United States, 701 757 migration, 253, 268, 334, 584, 616, extension, 192, 511 anatectic, 165 619, 620 Fallon-Eureka, 179,237 one-stage, 745 depth, seismic data, 27 Fisher, 65 partial, 587, 683, 701, 716, 754, poststack, 623, 629 forward, 40, 50, 51 755 Milford Valley, 213, 216 Front Range, 713 secondary, 756 Mineral Range, 213, 216 GCA, 690 spontaneous, 760 mineralogy, 98 gravity, 181, 186, 298 melts, 256, 377, 509, 510, 755 minerals Great Basin, 691, 692 felsic, 755 accessory, 385 Great Plains, 292 granitic, 745, 755 iron-bearing, 385 Grenville Province, 329 hydrous, 757 micaceous, 199 Gulf of California, 691 mafic, 755 See also specific minerals heat flow, 511 silicic, 753 Minnesota, 298, 299, 311, 585,608 heating, 510 Mendocino fracture zone, 114 ancient gneiss terrane, 586 Holbrook, 244 Mendocino Ridge, 114 anomalies, 588 Intermontane System, 237 Mendocino transform fault, 143 Minnesota River Valley, 587 isostatic, 406, 408, 410 Mendocino triple junction, 142, 514, Minnesota Valley gneiss terrane, iterated forward, 40, 41 515, 698, 699, 774, 807 585 Jeffreys-Bullen Earth, 683 Merrimack synclinorium, 321, 326, Miocene, 475 Kansas lithosphere, 713 636,648 miogeoclines, 773 kinematic, 136, 192 Mesozoic, 455 Mississippi delta, 367 Klamath Mountains, 2,148 metabasalt, 765 Mississippi Embayment, 285, 304, Lake Superior Basin, 295 metachert, 765 305, 416,561, 667, 671, 673, layered-earth, 327 metagabbro, 754 702, 721, 807 lithosphere, 20, 136, 510, 435, metamorphism, 165, 169, 385, 714, model, 292, 299 682 750, 751, 796 northern, 299 magnetic, Carolina trough, 365 metapelites, 754 rifting event, 302 megaboudin, 192 metasediments, 319, 632, 636, 637, seismicity, 561, 565 mhlonite reflectivity, 583 751 upper, 287 midcontinent, 292, 304 metavolcanics, 636 Mississippi salt basin, 354 Midcontinent Rift System, 298 Mexia, 354 Missouri model, 292 Mississippi Embayment, 292, 299, Mexican Ridges, 354 Moab, Utah, 272 304 micas, 98, 793 models, 20, 41, 86, 204, 688, 690, Missouri, 292 Michigan, 589, 597 691 Nevada, 685 Michigan Basin, 311, 394, 647, 774 Adirondacks, 330 Nevada test Site, 700 reflection data, 298 Ahner, 327 New England Appalachians, 327 microcracks, 96, 98, 715, 792 Airy-Heiskanen, 408,410 North American plate, 535 microearthquakes, 13, 254, 274, 564, alternative, 187 northern California, 698 592 asthenosphere-flow, 772 one-dimensional velocity, 682, microplate, 325 Baltimore Canyon trough, 365, 684, 692, 703 micropulsations, 72 367 P-wave velocity, 327, 682, 685, microscopy, electron, 63 basal drag, 535 687, 695, 702 Mid-Atlantic Ridge, 3, 534 Basin and Range, 179, 210, 240, perturbation, 701 Midcontinent Gravity Anomaly, 299 244,511, 688, 700 plate tectonic, 566 Midcontinent Gravity High, 5, 92, Bingham Canyon copper mine, Prodehl seismic, 180 298, 588 238 pure shear, 192 Midcontinent Rift System (MRS), Basin-Range earthquakes, 223, 226 qualitative, 40 285, 294, 392, 394,397, 667, block inversion, 701 quantitative, 40 673, 807 Burdick-Helmberger, 2 ray theory, 213 gravity high, 296 California upper mantle, 699 ray-trace, 217 models, 298 Canadian Shield, 293, 685, 686 refraction, 179,181,186, 327, reflection data, 299 Cascades, 700, 720 329, 342, 344, 658 southern arm, 311 central California, 698 reologic, Corillera, 226 midcontinent United States, 285, central United States, 701 ridge-push, North American plate, 292, 406, 416 Chiburis, 327 535 crust, 184, 292, 304, 307 Colorado Plateau, 239 root-zone, 336
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S-wave velocity, 262, 682, 686, Mojave block, 397, 527, 533, 601, New York Bight basin, 629 689, 695 602 New York, northeastern 565 Sal ton trough, 136, 516 Mojave Desert, 130, 133,134, 228, New York-Alabama lineament, 326, San Andreas fault system, 548, 601, 699, 724, 765 401 698 Mojave-Sonora megashear, 765 Newark Basin, 456 seismic, 181,186, 194, 583 Mojave-Sonoran Desert, 600 Newberry Volcano, 150 Sevier Desert, 599 Mono Lake region, 138, 431 Newport Basin, 118 shield, 682 Mono Recesses pluton, 749 North American Central Plains shoulder-uplift, 772 monoclines, 170 Anomaly, 442 simple shear, 192, 370 monopolar system, 78 North American continent, ancient, Snake River Plain, 238, 688, 692 Monroe Uplift, 354 589 southern California, 698, 699 Montana, 692 North American craton, 3, 5, 68, stable continent, 685, 692 eastern, 304 250, 252, 287, 402, 447, 459, statistical, 65 model, 692 477, 478 Stauber, 186 monzonite, quartz, 747, 749, 754, paleolatitudes, 455 subsidence, 370 760 North American margin, 392 Superior Province, 293 Morgan Hill earthquake, 550 North American plate, 3, 103, 173, synthetic seismogram, 17, 24 Moses Rock dike, 712 206, 392, 402, 485, 525, 527, tectonic, 682, 687, 692 Mount Baker, 150 534, 545, 554, 764 teleseismic waveform, 17, 190 Mount Desert Island, 750 models, 535 thermal, 494 Mount Hood, 150 North American shelf, 392 thermo-mechanical, 368, 377 Mt. Lassen, 533 North Cascades block, 764 thinning lithosphere, 510 Mt. Meager, 103 North Dakota, western, 304 three-dimensional velocity, 697, Mount Rainer, 150 North Island, New Zealand, 744 699, 700, 702, 703 Mount St. Helens, 150, 151 North Louisiana basin, 354 tomographic, southern California, seismicity, 554 North Park, Colorado, 263 699 Mount Shasta, 57, 148, 150 Northwest-Southwest Interties, 427 Transverse Ranges, 136 Mt. Simon sandstone, 793 Norumbega fault zone, 329, 342 two-dimensional velocity, 697, Mt. Stuart batholith (MS), 486 nuclear explosions, 682, 683, 687, 703 Mt. Whitney pluton, 749 697 Uinta basin, 262 Mountain Home, Idaho, 435 uniform-extension, 368 mudstone, 166, 167 Odessa, Texas, 273 upper mantle, 688, 701, 725 Mullen Creek shear zone, 263 Ohio, 311 velocity, 148,195, 213, 237, muscovite, 199, 749, 750 Okanagon Highlands, 145, 151, 152 238, 239, 291, 292, 293, 298, Musgrave Range, 714 Oklahoma, 310, 589, 608, 724 304, 330, 599, 662, 695 mylonites, 578, 583, 586, 595, 601, Oklahoma aulacogen, southern, 667 velocity-depth, 2, 240, 244, 256 602, 605, 607, 608, 636, 716 Old Red Continent, 462 volcanic plateau, 691 olivine, 2, 98, 683, 697, 716, 723, Wasatch Front, 242 Nantucket Basin, 629, 633 725, 754, 755, 756, 757, 759 waveform, 15 Nash Fork shear zone, 263 Olympic Mountains, 119, 144, 147, western Canada, 689 Nashville dome, 394 764 western Cordillera, 683 Needles, California, 135 Olympic Peninsula, 119 western Lake Superior, 298 Nemaha ridge, 401 ophiolites, 137, 323, 718, 763, 764 Yellowstone caldera, 688 Nesson anticline, 506 Oquirrh Basin, 168, 170 Yellowstone Plateau, 256, 701 Nevada, 593,594 Oquirrh Mountains, 168 Modoc fracture zone (MFZ), 642, 646 extensional faults, 593 Oracle granite, 601 Modoc Plateau, 145, 148,151 lower crust, 594 Ordovician, 324 Mogollon Datil volcanic field, 171, midcrust, 594 Oregon, 115,129 253 northwestern, 178,186,434 central, 118 Mogollon Plateau, 746 thermal belt, 434 eastern, 435 Mogollon rim, 239 upper crust, 593 south-central, 115 Moho, 2, 7, 73, 106, 109, 133, 152, Nevada Basin and Range, 608 Oregon Cascade Range, 148, 513, 172, 209, 212, 223, 231, 236, Nevada orogeny, 703, 764 514, 720 242, 255, 263, 264, 266, 272, Nevada Test Site, 273, 525 Oregon margin, 115 273, 276, 292, 294, 295, 305, model, 700 Oregon trench, 774 325, 330, 338, 356, 359, 362, New Brunswick volcanics, 461 Orocopia Schist, 765 368, 508, 509, 510, 518, 545, New England, 341, 565 Oroville earthquake, 527 584, 585, 588, 589, 593, 594, southeastern, 633 orthopyroxene, 716, 756, 761 597, 599, 606, 608, 629, 646, southern, 627 Ouachita experiment, 648 658, 686, 698, 760, 800, 809 New England Appalachians, 632, 635 Ouachita margin, 648 contour map, 134, 138 model, 327 Ouachita Mountains, 647, 648, 769 double, 242 reflection profiling, 337 Ouachita orogen, 647 reflection, 180, 240, 329, 331, refraction, 327 Ouachita system, 310 333, 337, 602, 603 New England line, 635 Ouachita thrust belt, 395, 459 velocities, 358 New England traverse, 636 Ouachita transect, 627, 647 See also Mohorovifcic discontinuity New Hampshire Plutonic series, 323, Outer Santa Cruz basin, 108 Mohorovi6i6 discontinuity, 5, 210, 325 Overthrust belt, 206 356, 545, 658, 712, 754, 760 New Madrid seismic zone, 702 overthrusting, 768 See also Moho New Madrid sequence, 561 Owens Valley, 771
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earthquake, 228, 532 upper mantle, 715 profiles fault, 532 Phanerozoic paleopoles, 449 airgun, 23 Owl Creek Range, 261 Philippine Islands, 763 Cliff Lake-Sailor, 280 Owyhee Plateau, 118 Phillips-Anschutz well, 600 conductivity, 71, 73, 426, 431, Owyhee Upland, 512 Phillips Line, 40, 195, 199 443 oxides, 2 Phillips well, 193, 194, 195 constant offset (COP), 373 Ozark uplift, 394 phyllite, 793 Delta-West, 217 phyllosilicates, 601, 608 EARLY RISE, 683, 685 Pacific-American transform boundary, Picacho Mountains, 193, 194, 200, expanding spread, 373 109 600, 608 Fallon-Eureka, 179, 186, 243 Pacific basin, 484, 537 Pickens, 354 geophysical, 212 Pacific Coast, 129, 143, 153 Piedmont, 536, 646, 647, 769 GLIMPCE, 299 crustal structure, 129 Piedmont belt, 331 Great Plains, 254 tectonics, 129 Piedmont gravity gradient, 325, 336, Gulf of Mexico, 358 Pacific Coastal Provinces, 500,514 337 long-line refraction, 294 thermal regimes, 500,514 Piedmont Province, 319, 327, 332, magnetotelluric, 439 Pacific continental margin, 666, 673 460 PASSCAL, 244 Pacific Creek anticline, 261 Piedmont terrane, 319 reconnaissance, 650 Pacific Creek thrust, 584 Pikes Peak batholith, 760 reflection, 13, 23, 180, 208, 213, Pacific margin, 514, 801 Pikwitonei subprovince, 714 216, 217, 244,291,332,342, Pacific-North American plate Pine Mountain belt, 319, 337, 645 578, 613, 616, 627, 629, 648, boundary, 544 Pine Mountain window, 769 650, 719, 768, 769, 800, 801, Pacific Northwest, 500, 545, 605 plagioclase, 716, 754, 756, 761 805 tectonics, 566 plates refraction, 23, 25, 208, 209, 210, Pacific Northwest-Cascades area, continental, 485, 765 244, 299, 719, 800, 805 439 convergence, 584 reversed refraction, 330 Pacific Northwest convergence zone, inclined, 384 Rocky Mountain, 254 807 interactions, 535 seismic, 109, 421, 589 Pacific Northwest subduction zone, motion, 483, 527, 545, 548 seismic reflection, 172, 192, 193, 553 oceanic, 484, 485 206, 212, 213, 287, 800 Pacific Ocean floor, 111 Plattsburg anomaly, 325 seismic refraction, 23, 26, 140, Pacific plate, 3, 103, 114, 173, 250, Pleasant Valley, Nevada, earthquake, 141, 179, 186, 236, 242, 243, 402, 525, 527, 533, 535 558 270, 293, 299, 658 Pacific rim, northeast, 690 plutonism, 68, 169, 170, 509, 634 unreversed refraction, 296 Pahranagat Lakes area, 172 plutons, 166, 254, 327, 385, 393, Project Early Rise, 7 paleodeclination, 68 416, 642, 747 propagation paleofloras, 770 quartz diorite, 144 elastic wave, 99 paleolatitudes, 455, 462, 464, 483 Po basin, 714 surface-wave, 18 paleomagnetic Euler pole, 478 Pocatello Valley, Idaho, earthquake, ultrasonic pulse, 94 paleomagnetism, 61, 62, 63, 67, 558 Proterozoic, 263, 589 447, 457, 460, 471,472, 487 Point Conception, 103, 104 protomelts, arc, 755 dipole hypothesis, 478 poles provinces measurements, 64 anchor, 456 geologic, 807 paleopole, 448, 449, 455, 456, 457 Euler, 478, 484, 759, 768 physiographic, 525, 658, 807 remagnetized rocks, 454 geographic, 62 plate tectonic, 525 Paleozoic, 206 geomagnetic, 62, 63 stress, 525,527, 530, 532,534, Pangea, 349 magnetic, 481 537,802 Paradox basin, 168 paleomagnetic, 62, 67, 456, 472, See also specific provinces Park Range, 266 475 Puget Sound, 533 Parker-Huestis method, 54 paleomagnetic Euler (PEP), 478 Puget Sound basin, 146, 148 Parkfield, Nevada, 548, 581, 604 reference, 448,454,456,464, Puget-Willamette Lowland, 144 earthquakes, 550 475,483, 486 Punta Baja, 104 shocks, 550 subduction, 763 Purcell antiform, 397 Pasco basin, 151 virtual geomagnetic, 65 pyroxene, 98, 718, 725, 755, 757 PASSCAL, 648, 804 pore fluids, 783, 793 sodic, 757 Patton Escarpment, 104, 133 pore pressure, 97, 783, 797 pyroxenite, 749, 754 Payson, Arizona, 239 pore water, 793 pyrrhotite, 63 pegmatite dike, 456 porosity, 74, 385, 444, 539, 715, Pelona Schist, 765 725, 792, 793, 795, 797 quality index, 448 Pelona-Orocopia schist, 601, 608 gypsum, 795 quartz, 716, 754, 793 Peninsular Ranges, 749, 765 potassium feldspar, 716, 750, 754 quartz monzonite, 747, 749, 754, Peninsular Ranges batholith, 130, Precambrian, 457, 584, 585 760 417, 749 pressure quartzite, 502, 597 peralkaline, 757 confining, 784, 785 mica, 321 peridotite, 2, 199, 583, 716, 725, derivatives, 96 Quebec, 648 749, 754, 761 differential, 784, 785 Quebec-Maine transect, 627 spinel, 754, 761 high pore, 792 Quebec-Maine-Gulf of Maine transect, petrology pore, 97, 783, 797 648 crust. 712. 715 Prodehl model, 180 Queen Charlotte Islands, 103, 109
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Queen Charlotte transform system, intracontinental, 593 592, 593, 759, 769 533 Lake Superior, 759 siliceous, 173 quiescence, 555, 558, 563, 564, 566 magmatism, continental, 756 silicic, 758 midcontinent, 392, 394, 397, 759 surficial, 73 radioactivity, 7, 326 old, 758 thermal history, 385 radiogenic decay, 494 Rio Grande rift, 164, 192, 250, 252, types, 784 Raft River area, 164 253, 263, 268, 269, 279, 443, ultramafic, 2, 98, 108, 137, 138, Raft River basin, 172 511, 517, 525, 530, 536, 581, 385, 716, 724 Raft River Geothermal Area, 435 592 , 667, 724, 744, 768, 770, volcanic, 137, 138, 166, 168, Raft River Valley, 189 807 169, 171,173, 252, 256, 263, Railroad Valley, 189 central, 435 298, 391, 393, 394, 396, 412, Ramapo fault, 565 models, 700 416, 417, 430, 487, 488, 586, Rand Schist, 601, 765 northern, 434 744, 747, 752, 754, 756, 758 Rand thrust, 135, 602 southern, 272 wall, 755 Rangely field, 254 western border, 273 water-bearing, 426 Rangely Piceance basin, 532 Rio Grande rift basin, 509 Rocky Mountain Arsenal, 254 Rayleigh belt, 319 Rio Grande rift provinces, 535 Rocky Mountain front, 395, 396, Red Sea, 772 Rio Grande Valley, southern, 434 397, 400, 402, 584 red beds, 63, 455, 456, 487, 589 Roberts Mountains allochthon, 166, Rocky Mountain transition, 205 Reelfoot Rift, 285, 303, 667, 807 168 Rocky Mountain Trench, 442 reflection, 179, 186, 213, 287, 373 rocks Rocky Mountain/Intermountain crustal, 578, 647 basement, 3, 115, 116, 391, 430, intraplate province, 525, 527 crustal seismic, 808 585, 600, 768 Rocky Mountains, 249, 396, 398, feeder, 603 carbonate, 166, 252, 449 444, 530, 765 magma, 603 clastic, 252 ancestral, 168, 169, 252, 279 Michigan Basin, 298 conductive, 431, 439 central, 276 profile, 180 cover, 170 crustal structure, 249, 276 seaward-dipping, 353, 362, 376 crystalline, 73, 74, 92, 96, 97, crustal thickness, 258,262,276 seismic, 8, 26, 194, 216, 242, 115, 121, 125, 169, 252,285, east provinces, 496,505 287, 291, 359, 360, 527, 577 365, 396, 426, 502, 506, 578, eastern, 689 surveys, 619 583, 595, 600, 715, 724, 792, middle, 250, 252, 254, 257, 509 reflectivity, 193 796, 797 northern, 250, 252, 254, 256, refraction, 179, 186, 213, 287, 299, density, 385 276, 509, 755 373, 618 eclogitic, 724 southern, 250, 252, 262, 440, Fallon-Eureka, 179, 186 electrical properties, 73 509, 510 models, 327 granitic, 7, 396, 753 thermal regime, 505 profile, 179, 186 heterogenous, 2 west, 689 seismic, 24, 216, 272, 293, 356, history, 488 Rocky Mountains Provinces, 396, 416 hypabyssal, 488 497, 505, 508 surveys, 619 igneous, 63, 73, 155, 165, 166, Rogers Creek fault zone, 545 Regional Seismic Test Network 319, 327, 351, 385, 394, 396, rotation, 535 (RSTN), 338 417, 421, 455, 487, 797 Ruby Mountains, 213, 595 remagnetization, 68, 448, 449, 455, intrusive, 325 core complex, 595 480 mafic, 2, 46, 108, 121, 245, 299, residuals 385, 391 Sabine Uplift, 354 P-wave, 331,332,342 magmatic, 745 Sachingo subprovince, 714 teleseismic, 682, 698 magnetism, 45,46, 61, 115 Sailor Lake, 254 traveltime, 682, 695, 697 mantle, 761 St. Francis Mountains, 760 resistivity, 326, 434 metamorphic, 73, 138, 144, 385, St. Helens seismic zone, 533 resolving power, <522 487, 602, 745, 751, 797 St. Lawrence Granite, 461 restite, 587, 754 metaplutonic, 636 St. Lawrence lowlands, 636 reversals, 448 metasedimentary, 130, 136, 137, Salinian block, 109, 137 velocity, 91 245, 319, 321, 323, 327, 412, Salinian terrane, 139 rheology, continental, 809 416, 417, 430, 636, 714, 768 salt, 354 rhyodacite, 752, 754 metavolcanic, 319, 321, 323, 337, basin, 354, 363 rhyolite, 744, 754, 755, 756, 757, 412, 430 migration, 362 758, 759 ophiolitic, 412 mobilization, 354 Riddleville basin, 646 plutonic, 130, 137, 166, 252, Sal ton Trough, 130, 133, 136, 397, Ridgely, Tennessee, 562 323, 385, 393, 394, 396, 417, 500, 552, 699, 112 ridges, bathymetric, 104 495, 744 high-velocity anomaly, 699 rifting, 155, 206, 252, 270, 298, postmagnetization, 488 model, 136, 516 299, 302, 326, 351, 363, 391, quartzofeldspathic, 589, 596 San Andreas fault, 3, 103, 108, 140, 629, 644, 646, 700, 752, 759, remagnetized, 454 228, 514, 516, 525, 527, 533, 768, 772, 773 rhyolitic, 753 535, 545, 566, 601, 604 , 608, cold-start, 773 sedimentary, 63, 119, 130, 136, 698, 765, 774 continental, 166, 178, 188, 323, 137, 138, 155, 168, 169, 252, model, 548 434, 589, 750, 806 257, 260, 263, 295, 299, 310, earthquakes, 548,550 crustal, 433 319, 325, 351, 365, 391, 393, San Clemente basin, 106 extensional, 756 396, 412, 487, 578, 584, 586, San Felipe Lake, 550
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San Fernando earthquake, SS2 seismograms, 12, 17, 291, 293, 358 slip, aseismic, 548 San Francisco Bay area, 138, S48 synthetic, 17, 24, 194, 213, 303, slope, continental, 115, 367 earthquake (1906), 12, 548 308, 328, 331, 583, 682, 683, Snake Range, 595, 598 San Francisco Mountains, 222 686, 687, 692 Snake River aquifer, 512 San Gregorio fault, 545 seismographs, 13 Snake River downwarp, 393 San Gregorio-Hosgri fault zone, 108 seismology, reflection, 8, 26, 577, Snake River Plain, 164, 173, 238, San Jacinto fault, 545 613,617 240, 241, 245, 250, 252, 435, San Juan Mountains, 263, 268, 271, seismometers, ocean-bottom (OBS), 511, 530, 535, 667, 673, 714, 746, 762 373 720, 757, 758, 770, 772 San Juan volcanic field, 253 semiconduction, 73 crustal thickness, 276 sandblows, 564 serpentinite, 98, 321, 323, 325, 326, eastern, 256, 512, 691, 692, 701 sandstone, 165, 166, 167, 321, 783, 341, 765 modem, 744 784, 793 Sevier Desert, 212, 589, 598, 724 velocity model, 238,239 quartz, 784 model, 599 volcanism, 512 Sangre de Cristo fault, 558 Sevier Desert basin, 172, 186, 189 western, 512 Santa Barbara Channel, 106 Sevier Desert detachment, 192, 200, Snake River Plain volcanic province, Santa Barbara Channel basin, 130 213, 217, 222 , 239, 245, 598, 210, 688 Santa Catalina Mountains, 198 608 Snake River-Yellowstone province, Santa Cruz basin, 105 Sevier Desert Moho, 599 756, 757, 758 Santa Maria basin, 108 Sevier orogenic belt, 170,762 Socorro, New Mexico, 250, 270, Santa Monica basin, 106 shale, 130, 166, 321 271, 559, 592, 603 Santa Rita, 272 shear strength, low, 527 Socorro magma chamber, 510 Sarasota arch, 354 shearing, 125 Soda Springs, Idaho, 243 Sauratown Mountains, 319, 769 shear-wave data, 722 sodium, 757 Sawatch Range, 264, 266 shelf, continental, 166, 392, 397, Sonoma orogeny, 168, 764 Sawtooth Moho, 588 401, 527, 534, 772 Sonoran Desert, 600 scarps, 353, 360, 376 Sherman granite, 585 soundings bathymetric, 109 shortening, 762 conductivity, 76 fault, 12, 178, 557 collision, 768, 769 dipole, 326 surface, 561 crustal, 168, 263, 319, 341, 535, Schell Creek fault, 190 direct-current, 427, 428 581, schist, 252, 597 584, 764 electromagnetic, 326, 427, 431 greenstone, 321 shotgathers, 620 geomagnetic, 85, 326 mica, 321, 793 shotpoints, 180, 190, 254, 258, magneto telluric, 431 Schlumberger array, 77 261, 263, 293, 294, 303, 616 South Carolina Coastal Plain, 561, Scotian basin, 351, 356 Shuswap terrain, 605 564 Scranton Gravity High, 619 sideswipe, 578, 584 South Florida basin, 354, 368 sea level, 35, 37 Sierra Madre, 268, 269 South Park, Colorado, 263 Sierra Madre Occidental, 746, 762 South Pass area, 260, 262 sea-floor spreading, 3, 7, 61, 115, Sierra Nevada, 3, 109, 138,141, Southern Oklahoma aulacogen, 304 349, 351, 353, 363, 763 151, 393, 480, 516, 527, 545, Southern orogen, 769 seamounts, 35, 63 581, 666, 698, 749, 764, 771 Soviet deep hole, 724 sediments, 116, 121, 299 crustal root, 3 Soviet Union, 795 elastic, 391 heat flow, 498,513 spinel, 683, 761 marine, 130, 153 heat production, 498 spreading, 757 seismic anisotropy, 98, 716, 724 southern, 750 crustal, 552 seismic data Sierra Nevada batholith, 137, 153, oceanic, 772 constraints, 717 393 , 430, 431, 513, 746, 747, plate, 762 large-offset, 287,372 765 sea-floor, 3, 7, 61, 115, 349, 351, reflection, 26, 194, 216, 242, Sierra Nevada block, 480 353, 363, 763 287, 291, 363, 527 Sierra Nevada escarpment, 138 spreading centers, 354 refraction, 24, 107, 216, 272, Sierra Nevada province, 137 Spring Valley, Nevada, 190 293, 356, 416 Sierra Nevada uplift, 142 Spring Valley Basin, zones, 190 U.S. midcontinet, 287 Sierran front, 527 springs, hot, 434 seismic methods, 11,24 Sierran granite, 601 stacking, 616,619,620 seismic moment, defined, 15 Sigsbee basin, 365 Stafford fault, 564 seismic networks, 13 Sigsbee Escarpment, 354, 365, 376, State A-l well, Phillips, 193, 194 seismic processing, reflection, 616 377 statistics, crustal velocity, 292 seismic properties, crust, 655, 666, Silent Canyon, volcanic center, 700 Stauber model, 186 671 Siletz River Volcanics, 116 Stefan-Boltzman Law, 74 seismic studies, 613 silica, 608, 757, 759 Stillwater Range, 593 seismic velocities, 25, 91, 517, 658, silicate, 793 Stone Canyon well, 724 674, 724, 783, 793, 797 aluminum, 587 stratovolcanics, 150 seismic waves, attenuation, 91, 92 sillimanite, 749, 750 stress, 242,523, 550 seismicity, 8, 36, 109, 114, 130, siltstone, 167 compressional, 525, 534, 556, 138, 142, 150, 151, 153, 155, Silver City, New Mexico, 274 559 178, 190, 223, 242, 254, 510, Sinclair, Wyoming, 266 crust, 533 512, 527, 530, 532, 541, 544, Sioux uplift, 394 extensional, 525, 532, 535, 553 550, 553,554, 558, 564, 566, slate, 586, 793 horizontal, 525, 530, 532, 533, 700, 801 sliding, frictional, 545 535, 536
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indicators, 524 terrane Trinity ophiolite, 2 measurements, 524, 534 accreted, 667 Trinity ultramafic sheet, 57, 144 provinces, 525, 527, 530, 532, allochthonous, 480, 484, 486 triple junctions, 103, 111, 142 534,536,537, 802 ancient gneiss, 586 Mendocino, 142, 514, 515, 698, sources, 534 concept, 471 699, 774 , 807 tectonic, 523,524 crystalline, 392, 605 Vancouver Island, 103 vertical, 525 displaced, 448, 461, 800 troctolite, 759 stretching, continental, 772 exotic, 395, 460,475,484, 762 trondhjemite, 752, 756 Strona-Ceneri Zone, 754 magnetic, 57 troughs, 104, 165,171 strontium isotopes, 757 suspect, 460 Troy Quartzite, 165 sub-Moho velocity, 273 tectonostratigraphic, 130 Tucson, Arizona, 193 subduction, 142, 143, 170, 392, 393, Tertiary, 170, 253, 455 tuffs, 256 461, 484, 513, 518, 533, 535, test ash-flow, 416 553, 699, 700, 750, 762, 763, baked contact, 67 turbidites, 116, 121 764 , 768, 770, 807 concorance/discordance, 487 Tuzo Wilson Knolls, 111 aseismic, 545 conglomerate, 67 Twin Sisters Range, Washington, 715 boundary, 130 fold, 67 Tyee Formation, 116 incipient, 106 reversals, 67 Tyrone, New Mexico, 273 intracontinental, 106 Teton fault, 558 subsidence data, 368 Texas basin, west, 395 Uinta axis, 170 sulfides, iron, 326 Texas panhandle, 561 Uinta Basin, 240, 260 Superior craton, 417 thermal regimes, 493, 501,504, model, 262 Superior Province, 293, 304, 305, 516 Uinta Mountains, 165, 166, 240, 457, 714 contraction, 196 252, 260 crustal profiles, 292 expansion, 772 Uncompahgre Formation, 252 models, 293 gradients, 68, 502, 716 Uncompahgre uplift, 769 Superior rocks, 285 thermal springs, distribution, 164 underplating, 351, 727 Sur basin, 108 38th Parallel fault system, 401, 442 magmatic, 199 Sur-Nacimiento fault zone, 137 tholeiite underthrusting, 68, 106, 111, 130 Sur-Nacimiento megathrust, 765 quartz, 723 Unkar Group, 165 Sur-Nacimiento terrane, 139 olivine, 2 uplifts, 170, 252, 263, 279, 280, Sur-Obispo terrane, 137, 139 thorium, 494 299, 323, 325, 411, 559, 589 surveys Tibbet Hill volcanics, 325 rates, 253 aeromagnetic, 46, 47, 48 Tibetan Plateau, 319 uranium, 494 controlled-source, 427 titano magnetite crystals, 63 Utah, southwestern, 213 magnetic, 47, 48, 49, 51 tonalite, 509, 725, 747, 754, 756 magnetotelluric, 431 trachybasalt, 749 Valles Caldera, 273, 510, 512 resistivity, 427 transcurrent truncation, 169 Valley and Ridge province, 319, 459, Sutton Mountain anticlinorium, 323 transducer, 92, 98 461, 561, 637, 768 Suwannee terrane, 367 transects, 627, 637, 647 reflection profiling, 333 syenite, charnockitic, 585 transform boundary, 130 southern, 563 Sylmar terminal, 430 Trans-Hudson orogen, 396 Valley Caldera, 434 synclines, 130 transition, crust-mantle, 714, 725 Vancouver Island, 146, 147 transition zones, 807, 809 northern, 111 Taconic foreland, 636 trans-Mexico volcanic belt, 512 southern, 121, 533 Taconic klippen, 321, 325, 636 transport Vancouver Island triple junction, Taconic orogeny, 319, 324, 341, coastwise, 486 103 460, 464 lateral, 125 velocity, 208, 210, 238, 246, 268, Tahawus complex, 337 tectonic, 484, 485 272, 273, 274, 327, 331, 398, Talco, 354 Transverse Ranges anomaly, 699 400, 617,658,662, 663, 666, Tampa basin, 354, 367, 368 Transverse Ranges, 103, 106, 130, 673, 688, 691, 692, 693, 697, Tau method, 690 136,550, 545, 699, 774 701, 717, 808 tectonic transport, 484, 485 central, 130, 136 absolute, 482 tectonics, 171, 211, 280, 504, 545, eastern, 130, 133, 136 anisotropy, 583, 682, 686 566, 714 model, 136 average crustal, 666 accretionary, 471, 764 western, 130 compressional wave, 98, 658, 673, compressional, 525 traveltimes, 584 715, 725, 784, 790, 796 extensional, 165, 172, 525, 530, curves, 682, 683, 692 confining pressure, 785 532, 535, 555 delays, 331 crustal, 211, 293, 416, 681 microplate, 471, 472 discontinuity, 683 data, 785 plate, 3, 1, 129,163, 205, 525, earthquake, 17, 20, 109, 148, 209, determination, 581 566 236, 327, 331, 804 differential pressure, 785 transport, 484, 485 P-wave, 356 discontinuities, 683, 685, 686, Tehachapi Mountains, 714 quarry blasts, 331 687, 689, 690, 692, 695 teleseismicity, 13, 142, 699 residuals, 695 effective stress, 790 temperature shear-wave, 92 gradients, 91, 618, 683, 688, 723, compressional wave velocity, wave, 356 797 715 trenches, 3 lows, 400 derivatives, 96 Triassic, 455, 475, 485 measurements, 92, 783, 784
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P-wave, 178, 208, 212, 231, low-frequency, 554 Wind River fault, 582,584 246, 256, 273, 276, 327, 416, multi-cyclic, 719 Wind River Mountains, 260, 261, 620, 666, 674, 682, 693, 722, reflection, 616, 619 262, 581, 584 760 teleseismic, 338 Wind River Range, 262, 724 pore pressure, 97 wavelengths, 385, 398, 406, 413, Wind River seismic profile, 581 pressure derivatives, 96 419, 581 Wind River thrust, 250, 261,583 reversals, 578 seismic, 307 Wind River uplift, 581, 584 rock types, 99 wavelets, 578, 581, 589, 638 Wingate Formation, 456 S-wave, 208, 246, 327, 400, 620, waves Winona Basin, 111 682, 693 air, 616 Wisconsin, 298 sediment, 356 body, 16, 800 central, 293, 299 seismic, 25, 91, 416, 517, 724, converted, 616 Wolcott, 264, 266 783, 793, 797 head, 356 Woods Hole, Massachusetts, 12 shear-wave, 91, 663, 722, 790 propagation, 94, 790 Wrangellia, 480 structure, 619, 663, 681 seicmis, 7, 91, 92 Wrangellia terrane, 121, 123 temperature derivatives, 96 shear, 616, 662, 804 Wyoming, 581,585 upper-mantle, 152, 292, 681 surface, 18,339, 689, 800, 804 Wyoming age province, 164 wave, 292, 307, 620 wedges Wyoming Archean-Proterozoic suture, Venture basin, 106, 130, 420 accretionary, 115, 116, 321, 554, 585 Virginia profile, 646 753, 762, 764 Wyoming Archaen province, 585 volcanic plateau, 691 sedimentary, 351 Wyoming basins, 250, 252,260, volcanic terranes, 604 miogeoclinal, 773 509 volcanics well logs, geophysical, 426 Wyoming salient, 459 arc, 168, 744 wells Wyoming uplifts, 584 Icelandic, 793 Matoy, 724 remagnetized marine, 480 Phillips State A-l, 193, 194, 195 xenoliths, 585, 589, 592, 712, 724, volcanism, 138, 143, 145, 155, 171, Phillips-Anschuta, 600 744, 749, 750, 755 178, 206, 245, 253, 256, 270, Stone Canyon, 724 Aleutian lava, 713 509, 510, 512, 513, 532, 533, West Coast, electrical structure, 439 lithologies, 713 558, 593, 601, 667, 701, 744, West Florida Escarpment, 354, 365 756, 758 West Florida Salt Basin, 365 Yellowstone caldera, 256, 512, 558, bimodal, 173 West Florida shelf, 354, 377 692 continental arc, 746 Western Cascades, 145, 148, 513 model, 688, 692 volcanoes, 533, 554 Western Cordillera, 480 Yellowstone hot spot, 515 Cascades, 807 Whipple Mountains, 600, 771 Yellowstone Lake, 512 White Mountain intrusives, 455 Yellowstone National Park, 228, 254, Wadati-Benioff zones, 553, 566 White Mountain Magma series, 323 256, 556 Walker Lane belt, 532 White Mountain Plutonic series, 326, Yellowstone Plateau, 164, 173, 250, Wasatch fault system, 165, 190, 558, 327, 341 252, 256, 512, 691, 720, 758 593 White Mountains, 325, 749 crustal thickness, 256, 276 Wasatch Front, 210, 212, 228, 231, Wichita Alagocen, 807 models, 256,701 236, 242, 256, 259, 397, 440, Wichita block, 589 Yellowstone region, models, 256 444, 532, 720 Wichita Granites pole, 457 Yellowstone volcanic province, 210 model, 242 Wichita Mountains, 417, 605,758 Yellowstone volcanism, 512 Wasatch Range, 545, 556 Wichita uplift, 394, 396, 397, 769 Washington, 119,129 Wichita-Uncompahgre event, 769 zones water Wiggins Arch, 354 convergence, 807 ground, 494, 503 Willamette Valley, 118 gravity-magnetic, 401 pore, 793 Williston basin, 287, 293, 304, 396, hinge, 350, 359, 362, 376, 377 wavefields, 619 721, 774 inner magnetic, 353 seismic, 179, 616 Williston flow, 506 intraplate-thrust, 555 waveforms, 13, 17, 554 Wind River basin, 260, 262, 276 transition, 807, 809
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