Sommaire / Contents / Contenido

Curved geometries in a transfer zone, Quebrada del Toro, Salta Province, NW Argentina 15-18 L. ABASCAL Structural setting of the Cordillera Oriental of the Central at 25 °S: Tectonic and magmatic implications 19-20 V. ACOCELLA, L. VEZZOLI, R. OMARINI, M. MATTEINI, a R. MAZZUOLI Contrasting styles of volcanic activity as observed by remote sensing: The cases of , and volcanoes, Chile 21-25 F. Glacial evolution in the Ampato - - Hualcahualca volcanic complex (southern ) 26-28 J. ALCALÁ, J. ÚBEDA, J.-C. THOURET, a D. PALACIOS The debris avalanche of , Ecuador 29-32 S. ALCARAZ, B. BERNARD, J.-P. EISSEN, H. LEYRIT, C. ROBIN, P. SAMANIEGO, J.-L. LE PENNEC, a D. BARBA High Mg-basalts in the Western Cordillera of Ecuador: Evidence of plateau root melting during Late Cretaceous arc-magmatism 33-35 J. ALLI BON, P. MONJOIE, H. LAPIERRE, E. JAILLARD, F. BUSSY, a D. BOSCH Gondwanic and Andean structure in the Argentine central Precordillera: The Río San Juan section revisited 36-39 J. L. ALONSO, L. R. RODRÍGUEZ-FERNÁNDEZ, J. GARCÍA-SANSEGUNDO, N. HEREDIA, P. FARIAS, a J. GALLASTEGUI Cenomanian-Turonian bentonites of the Eastern Cordillera and Upper Magdalena Valley, Colombia 40-41 U. ALTENBERGER, M. VÁSQUEZ, P. PATARROYO, R. L. ROMER, 6 J. M. JARAMILLO Accreted oceanic fragments below the Western Cordillera of Ecuador 42-45 A. AMÓRTEGUI, H. LAPIERRE, E. JAILLARD, J.-E. MARTELAT, D. BOSCH, F. BUSSY, A. DEMANT, & P. BRUNET Systematic time-controlled geochemical changes in the Ecuadorian Volcanic Are 46-49 D. ANDRADE, M. MONZIERf, H. MARTIN, a J. COTTEN K-Ar and 40Ar/3,Ar ages from supergene minerais in northern Chile: Prevalence of humid climate and tectonic uplift until the Upper in the 50-52 G. ARANCIBIA, S. MATTHEWS, a C. PÉREZ DE ARCE The last destructive earthquakes occurred in La Rioja (05-28-2002) and Catamarca (09-07-2004), northwestern Pampean ranges, Argentina 53-56 M. A. ARAUJO, A. M. PÉREZ, a M. H. MILLÁN Comparative evolution of the Lower Cretaceous pluto-volcanic are and back-arc from the Atacama Region, Chile 57-60 C. ARÉVALO, F. A. MOURGUES, E. JAILLARD, a L. G. BULOT Hydrological impaets of the works of regulation of superficial water transfers on the basin (Bolívia) 61-63 J. ARGOLLO a H. C. BOERO Numerical plan view restoration of the Bolivian Orocline 64-67 C. ARRIAGADA, P. ROPERCH, P. R. COBBOLD, a C. MPODOZIS A paleomagnetic study within the Chuquicamata porphyry copper deposits, Central Andes, Chile 68-71 N. ASTUDILLO, P. ROPERCH, B. TOWNLEY, C. ARRIAGADA Paleoseismic assessment of the main Strand of the Boconó fault in its central section, at Mesa del Caballo, Mérida Andes, Venezuela 72-75 F. A. AUDEMARD, R. OLLARVES, G. DÍAZ, M. BECHTOLD, C. BECK, E. CARRILLO, D. PANTOSTI, a H. DIEDERIX Seismicity and active tectonics in the lio región, southern Peru, using combined permanent and temporal network seismic observations , 76-78 L. AUDIN a H. T AVE RA Influence of piedmont Sedimentation on the erosion dynamics: An experimental approach and implications for the Andes 79-82 J. BABAULT, J. VAN DEN DRIESSCHE, S. BONNET, a A. CRAVE Influence of the Nazca ridge on the Amazonian foreland basin deformation: Preliminary analyses 83-85 P. BABY, N. ESPURT, S. BRUSSET, W. HERMOZA, P.-O. ANTOINE, M. RODDAZ, J. AAARTINOD, a R. BOLAÑOS Active tectonic escape of the northwestern Venezuelan Andes 86-89 G. BACKÉ, D. DHONT, Y. HERVOUÊT, a L. GONZALES Geology and structure of the Iate to Chimborazo (Ecuador) 90-93 D. BARBA, P. SAMANIEGO, J.-P. EISSEN, C. ROBIN, M. FORNARI, J. COTTEN, & B. BEATE Lower Maastrichtian syntectonic Sedimentation along the Subandean Zone and its relationship with an accretionary event of an oceanic terrane registered in the Cordillera Occidental of Ecuador 94-97 R. BARRAGÁN, J. TORO-ÁLAVA, E. JAILLARD, H. WHITE, T. TOULKERIDIS, J. MONTENEGRO, & G. MEDINA terrane translations and crustal block rotations in the Eastern Cordillera and Magdalena Valley, Colombia, inferred from paleomagnetism 98-102 G. BAYONA, A. E. RAPALINI, V. COSTANZO-ÁLVAREZ, C. MONTES, G. VELOZA, R. C. AYALA-CALVO, M. GÓMEZ-CASALLAS, a C. SILVA Tectonic evolution of northern Ñirihuau basin northwestern Patagonia, Argentina 103-106 F. BECHIS & E. 0. CRISTALLINI Fiat subduction beneath the Andean región fron seismological evidences 107-110 J. BERROCAL a C. FERNANDES Early Mesozoic rift-related magmatism in the BoUvian Andes and Subandes: The southernmost record of the Central Atlantic Magmatic Province 111-114 H. BERTRAND, M. FORNARI, A. MARZOLI, T. SEMPERE, & G. FÉRAUD Application of INSAR interferometry and geodetic surveys for monitoring Andean volcanic activity : First results from ASAR-ENVISAT data 115-118 S. BONVALOT, J.-L. FROGER, D. RÉMY, K. BATAILLE, V. CAYOL, J. CLAVERO, D. COMTE, G. GABALDA, K. GONZALES, L. LARA, D. LEGRAND, 0. MACEDO, J. NARANJO, P. MOTHES, A. PAVEZ, a C. ROBIN The role of fluids in the Nazca flat slab near 31 °s revealed by the electrical resistivity structure 119-122 J. BOOKER, A. FAVETTO, C. POMPOSIELLO, a F. XUAN The mantle wedge in the Bolivian orocline in the view of deep electromagnetic soundings 123-126 H. BRASSE Dynamic evolution of Oligocene - sedimentary series in a retro-foreland basin setting: Oriente Basin, Ecuador 127-130 J. D. BURGOS, F. CHRISTOPHOUL, P. BABY, P.-O. ANTOINE, J.-C. SOULA, D. GOOD, a M. RIVADENEIRA Upper Carboniferous carbonate shelves in the Andean Frontal Cordillera (San Juan Province - Argentina): Sedimentology and tectono-sedimentary context 131 -134 P. BUSQUETS, I. MÉNDEZ-BEDIA, F. COLOMBO-PIÑOL, N. HEREDIA, a G. GALLASTEGUI Structure and physical properties of the subduction Channel off the Gulf of Guayaquil (Ecuador) from seismic reflection data 135-137 A. CALAHORRANO, V. SALLARES, J.-Y. COLLOT, F. SAGE, a C. RANERO Metamorphic P-T constraints for non-coaxial ductile flow of pyroclastic deposits: Key evidence for the closure of the Rocas Verdes Basin in Southern Chile 138-141 M. CALDERÓN, G. GALAZ, G. TASCÓN, C. RAMÍREZ, R. LUCA, H.-J. MASSONNE, A. BRANDELIK, a F. HERVÉ Neogene stratigraphic architecture and tectonic evolution of the Mejillones Peninsula (northern Chile) based on a new 1:50,000 geological map 142-145 G. CANTALAMESSA, C. DI CELMA, L. RAGAINI, G. VALLERI, a W. LANDINI Paleogeographic, structural and magmatic evidences for the existence of different lithospheric blocks in the Central Andes: Samples from southern Peru and northern Chile 146-149 V. CARLOTTO, L. CERPA, J. CÁRDENAS, J. QUISPE, a G. CARLIER The problem of the progressive unconformity in the continental red beds of the southern región of Cusco, Peru 150-153 R. CARREÑO a R. LÓPEZ-ZAPANA Structure of the southern Cordillera Oriental (Acentinean Andes) 154-157 N. CARRERA, J. A. MUÑOZ, F. SÀBAT, R. MON, a E. OCA Reverse fault geometry of the Chuculay system, northern Chilean outer forearc, using morphotectonical and numerical approach 158-161 D. CARRIZO, G. GONZÁLEZ, J. CEMBRANO, G. YAÑEZ, A. JENSEN, J. ESPINA, a J. ANDRÔNICO The Matalaque Formation of southern Peru: New stratigraphic and geochemical data 162-165 J. CERVANTES, W. MARTÍNEZ, D. ROMERO, A. ZAPATA, a P. NAVARRO Deciphering the tectonic evolution of the Peruvian segment of the Gondwanan margin 166-169 D. CHEW, U. SCHALTEGGER, A. MISKOVlé, D. FONTIGNIE, a M. FRANK Increase in intermedíate seismicity rate below the Colombian Andes visualised and interpreted through combined local seismic tomograpy and hypocentral profiles: Eje Cafetero región and Bucaramanga seismic nest 170-173 G. CHICANGANA a C. A. VARGAS Tertiary volcanism and Sedimentation in the southern Cordillera Principal, Mendoza, Argentina 174-177 A. M. COMBINA a F. NULLO The deep seismic structure of the central Neuquén Basin, Argentina 178-181 A. H. COMÍNGUEZ a J. R. FRANZESE Architecture of the sedimentary basins in the medium and upper slope of the Chilean subduction margin (33°30'-36°s) 182-185 X. CONTARDO, J. CEMBRANO, a A. JENSEN Paleotectonic controls on the distribution of Quaternary deformation in the southern Precordillera, Central Andes (31°30'-33° sl) 186-189 J. M. CORTÊS, M. PASINI, & M. Y AMIN The seismogenic potential for large earthquakes at the southernmost Pampean flat-slab segment (Argentina) from a geologic perspective 190-193 C. H. COSTA The genetic link between Jurassic-Cretaceous mafic dyke swarms and coeval plutons and volcanic units, Coastal Ranges of central Chile (33°-33°45'S) 194-197 C. CREIXELL, D. MORATA, M. Á. PARADA, a C. PÉREZ DE ARCE A modern gravimetric methodology applied to the study of the Bolivian Andes 198-201 C. CROVETTO a A. INTROCASO Temporal and spatial constraints on multi-phase crustal rotation in the forearc of Northern Chile 202-205 B. DASHWOOD a G. TAYLOR Crustal seismicity and active tectonics in the Arica bend forearc 206-210 C. DAVID, L. AUDIN, D. COMTE, H. TAVERA, a G. HÉRAIL Long-wavelength subsidence in the Andean broken foreland: Sublithospheric controls on the Sedimentation and topography of the Sierras Pampeanas? 211-214 F. M. DÁVILA, T. E. JORDAN, a R. A. ASTINI Stratigraphy and syndepositional structures of the basal foreland deposits in the northern Valle Calchaquí, NW Argentina 215-217 C. DEL PAPA, F. HONGN, R. MON, J. POWELL, a I. PETRINOVIC New constraints on the tectonics of the Venezuelan Andes from 3D geological modeling 218-221 D. DHONT, G. BACKÉ, Y. HERV0UET, J. CHOY, S. KLARICA, a P. LUXEY Syn-depositional tectonic controls on the internai architecture of a mid-Pleistocene depositional sequence (Mejillones Formation, northern Chile) 222-225 C. Dl CELMA a G. CANTALAMESSA Dichotomous provenance and age of diamictites in the Early Palaeozoic Peru-Bolivia foreland basin of Gondwana 226-229 E. DÍAZ-MARTÍNEZ Geology and petrology of the Corona and Cerros de Saltar domes near the Lascar system, Northern Chile 230-233 C. L. DONOSO, F. A. AGUILERA, a E. MEDINA Re-Os ages of molybdenites associated with granites of the North Patagonian Batholith, Chilean Andes 234-238 P. DUHART, F. BARRA, J. MUÑOZ, C. TASSINARI, a J. RUIZ Assimilative recycling of the plutonic roots of Andean are volcanoes: Rates, physical mechanisms, and geochemical consequences 239-241 M. A. DUNGAN, C. H. LANGMUIR, R. SPIKINGS, W. P. LEEMAN, S. GOLDSTEIN, J. P. DAVIDSON, F. COSTA, D. SELLÉS, a 0. BACHMANN Preliminary data on the Almas Santas volcanic center from the Ecuadorian frontal are 242-245 J.-P. EISSEN, S. CHEMIN, E. BOURDON, a J. COTTEN Late Miocene coastal subsidence in Central Chile: Tectonic implications 246-249 A. ENCINAS, K. L. FINGER, S. N. NIELSEN, A. LAVENU, L. BUATOIS, & D. E. PETERSON Tectonics in the Central Patagonian Cordilera related to Mio- subduction of the Chile Ridge: Preliminary morphological, chronological and geochemical evidences 250-253 F. ESPINOZA, M. SUÁREZ, Y. LAGABRIELLE, D. MORATA, M. POLVÉ, L. BARBERO, R. MAURY, C. GUIVEL, a R. DE LA CRUZ deposits on the eastern drainage of the volcano: Sedimentology and implications for hazards 254-257 S. ETTINGER, P. MOTHES, a R. PARIS Miocene-Pliocene climate change in the Peru-Chile Desert 258-260 L. EVENSTAR, A. HARTLEY, C. RICE, F. STUART, A. MATHER, a G. CHONG Rapid Late surface uplift of the central Chile Andes (33*-35'S) 261-265 M. FARIAS, R. CHARRIER, A. FOCK, D. CAMPBELL, J. MARTINOD, a D. COMTE The complex alchemy during - magma genesis in the Central Andes 266-268 O. FIGUEROA, B. DÉRUELLE, a D. DEMAIFFE Oligocene-Neogene tectonics and Sedimentation in the forearc of southern Peru, Tacna area (17.5°-18.5°S) 269-272 A. FLORES, J. ACOSTA, C. BEDOYA, a T. SEMPERE Exhumation and uplift of the western Main Cordillera between 33° and 34°S 273-276 A. FOCK, R. CHARRIER, M. FARIAS, V. MAKSAEV, M. FANNING, a P. ÁLVAREZ Pliocene to Quaternary retro-are extensión in the Andes at 35° - 37°30's 277-280 A. FOLGUERA, V. A. RAMOS, T. ZAPATA, M. SPAGNUOLO, a F. MIRANDA 600 Ma of crustal evolution in the Central Andes: A site of crustal growth or destruction at an active continental margin? 281-285 G. FRANZ a F. LUCASSEN The base of the Atacama Graveis Formation (26 °S, Northern Chile): First results from gravity data 286-289 G. GABALDA, T. NALPAS, a S. BONVALOT The Santiago Formation: Source rock of the Ñapo Group in the Oriente Basin? 290-292 J. GAIB0R, P. A. HOCHULI, W. WINKLER, a J. TORO Coeval volcanic activity and tectonic shortening, Tromen volcano, Neuquén province, Argentina 293-296 O. GALLAND, E. HALLOT, P. R. COBBOLD, G. RUFFET, a J. de BRÉM0ND d'ARS A numérica! model testing the role of climate in high plateau formation 297-300 D. GARCÍA-CASTELLANOS a M. GERBAULT Structure and neotectonics of the Jaboncillo and Del Peral anticlines: New evidences of Pleistocene to ?Holocene deformation in the Andean piedmont 301-304 V. H. GARCÍA, E. O. CRISTALLINI, J. M. CORTÉS, aC. RODRÍGUEZ Uplift and exhumation of the northern Peruvian Andes 305-307 J. I. GARVER, M. MONTARIO, S. E. PERRY, P. W. REINERS, a J. R. RAAAAGE Tracking the basement of early Andean magmatism: U-Pb ages of zircon xenocrysts of the in the Coastal Cordillera near Chañaral (-26 °S), Northern Chile 308-311 S. GELCICH, E. T. C. SPOONER, a D. W. DAVIS Normal faulting in a forearc submitted to slab pulí: Numerical models and insight on the structure of the Chi lean forearc 312-314 M. GERBAULT Temporal and spatial relationship between thick- and thin-skinned deformation in the thrust of the MalargUe fold and thrust belt, southern Central Andes 315-318 L. GIAMBIAGI, F. BECHIS, V. GARCÍA, a A. CLARK Hot spring evolution recorded in Pleistocene hydrothermal travertines, Salta, Puna of Argentina 319-322 R. O. GIBERT, C. TABERNER, A. SÁEZ, R. N. ALONSO, T. RUIZ, R. L. EDWARDS, a J. J. PUEY0 Lower crustal influence on CVZ magmas: Insights from chemical and isotopic zoning in at volcano, North Chile 323-326 C. GINIBRE, J. P. DAVIDSON, a G. WÖRNER Tectonic geomorphology, 40Ar/3'Ar thermochronology, and sedimentology of the normal fault, central Peruvian Andes 327-329 M. K. GIOVANNI, B. K. HORTON, G. PELTZER, M. GROVE, a B. McNULTY Tectonic erosión in the Central Andes: Use and abuse 330-332 E. GODOY Fracture propagation in the Central Andes forearc, Coastal Cordillera, Northern Chile: Insight from IKONOS data and surfaces topographic modelling 333-336 G. GONZÁLEZ, D. CARRIZO, J. CEMBRANO, R. ALLMENDINGER, J. ESPINA, 6 J. LOVELESS The Sierra de Varas Pluton in Domeyko Cordillera, Northern Chile: Emplacement mechanism and host rock deformation from structural data and AMS 337-341 R. GONZÁLEZ a H. NIEMEYER A 3-component reflection seismic survey at 38 °s — llluminating the Chilean subduction zone with Project TIPTEQ 342-345 K. GROSS, S. BUSKE, P. WIGGER, M. ARANEDA, K. BATAILLE, J. BRIBACH, C. M. KRAWCZYK, S. LÜTH, J. MECHIE, U. MICKSCH, A. SCHULZE, S. SHAPIRO, M. STILLER, a T. ZIEGENHAGEN The Interandean Quindío-Risaralda Basin in Central Colombia and its Pleistocene infill by stacked fluvio-volcanic mass flows derived from the Central Cordillera 346-349 F. GUARIN, G. GORIN, a A. ESPINOSA Geochronology and geochemistry of the Miocene to Recent Patagonian basalts (46-47°s): Evidences for slab tearing due to active spreading ridge subduction 350-353 C. GUIVEL, D. MORATA, E. PELLETER, F. ESPINOZA, R. C. MAURY, Y. LAGABRIELLE, M. POLVÉ, H. BELLON, J. COTTEN, M. BENOIT, M. SUÁREZ, a R. DE LA CRUZ Horizontal stress orientation from breakout analysis in the Neuquén Basin 354-357 C. G. GUZMÁN, E. O. CRISTALLINI, G. L. BOTTESI, a R. E. CÓMERON Forearc deformation of the Peruvian margin: Quantifying the rates of Quaternary deformation in pediment surfaces using in situ-produced cosmogenic 10Be and 26AI 358-359 S. R. HALL, D. L. FARBER, L. AUDIN, aA.-S. MÉRIAUX Growth pattern of the Andean Puna plateau constrained by apatite fission track, apatite (U-Th)/He, K-feldspar 40Ar/39Ar, and zircon U-Pb geochronology 360-363 M. HASCHKE, A. DEEKEN, N. INSEL, E. SOBEL, M. GROVE, a A. K. SCHMITT Structural evolution of the North Patagonian Andes (41°-42° S), Argentina 364-367 N. HEREDIA, R. E. GIACOSA, G. GALLASTEGUI, P. FARIAS, a J. GARCÍA-SANSEGUNDO Eocene to present-day latitudinal variations in the retroforeland basin system of the Peruvian Andes 368-371 W. HERMOZA, P. BABY, S. BRUSSET, M. RODDAZ, a R. BOLAÑOS Synkinematic fluid flow and vein formation by depressurization in magmatic ares: A case study from System, northern Chile 372-375 V. HERRERA, J. CEMBRANO, G. ARANCIBIA, S. KOJIMA, & D. PRIOR Temporal and isotopic variations within the Jurassic to Neogene Patagonian bathotith 376-378 F. HERVÉ, M. CALDERÓN, R. J. PANKHURST, a C. M. FANNING New geochemical and geochronological data for the Atacazo-Ninahuilca volcanic complex (Ecuador) 379-382 S. HIDALGO, M. MONZIERT, H. MARTIN, J. COTTEN, M. FORNARI, a J.-P. EISSEN Phlogopite-bearing undersatured basalts and basic from the Ecuadorian rear-arc area 383-385 G. HOFFER, J.-P. EISSEN, B. BEATE, E. BOURDON, P. SAMANIEGO, D. LAPORTE, H. MARTIN, a J. COTTEN Equilibrium landscapes of the western Andean mountain front (10°s-33°s): Long-term responses to along-strike changes in climate 386-389 G. HOKE, B. L. ISACKS, a T. E. JORDAN Foreland basins evolution and lithospheric rigidity: 2D flexural modelling along an E-W profile in the Central Andes 390-393 C. HULKA, C. PREZZI, C. E. UBA, H.-J. GÖTZE, a C. HEUBECK Analyzing gravity anomalies over the Caribbean and northern Venezuela tectonic plate boundary 394-396 C. IZARRA, M. I. JÁCOME, M. SCHMITZ, a P. MORA Emplacement leveis of the Coastal Bathotith in Central Peru 397-399 J. JACAY a T. SEMPERE Integrated geodynamic modeding of the crdiüera Central Thrust Belt and the Guárico Basin, North-Central Region, Venezuela 400-403 M. I. JÁCOME, K. RONDON, a A. CARBALLO Orogenic buildup of the Ecuadorian Andes 404-407 E. JAILLARD, B. GUILLIER, M.-A. BONNARDOT, R. HASSANI, H. LAPIERRE, a J. TORO Geodynamic impact of arrival and subduction of oblique aseismic ridges 408-410 M. S. JAPAS a G. H. RÉ Pliocene volcanism in the Cordillera Oriental of Colombia 411-412 J. M. JARAMILLO, P. ROJAS-LINERO, a J. I. GARVER Magmatism in the Huarina fold and thrust belt, Bolivia, and its geotectonic implications 413-416 N. JIMÉNEZ a S. LÓPEZ The deformation front in the Llanos foothills of the Eastern Cordillera of Colombia: Interaction between thick- and thin-skinned tectonics at a segmented boundary 417-419 A. KAMMER, A. VELASQUEZ, a J. P. DURAN Tertiary to Recent evolution of Andean are and backarc magmas between 36°s and 38°s and evidence for Miocene shallowing of the Nazca píate under the Neuquén basin 420-423 S. MAHLBURG KAY Crustal structure of the Eastern Cordillera, Colombia 424-427 J. KELLOGG, G. OJEDA, H. DUQUE, a J. CERÓN Post-seismic deformation of the 1960 Chite earthquake or a si(ent-s(ip? 428-431 G. KHAZARADZE, J. KLOTZ, K. WANG, a Y. HU The Eastern Cordillera of the Central Andes: Inherited mechanical weakness as a first-order control on the Cenozoic orogeny 432-435 J. KLEY, C. R. MONALDI, E. A. ROSSELLO, a H. EGE Observing and modelling the deformation of the Andean subduction zone 436-437 J. KLOTZ, J. BOLTE, M. BAES, A. ABOLGHASEM, G. KHAZARADZE, K. BATAILLE, R. MATURANA, R. PERDOMO, a J. VIRAMONTE Holocene volcanism and vertical displacements along a major intra-arc transpressional system in the Southern Andes 438-441 L. E. URA, J. CEMBRANO, A. LAVENU, h J. DARR0ZES The two major postglacial (13-14,000 BP) pyroclastic eruptions of Llaima and Villarrica volcanoes (Southern Andes): A comparison 442-445 S. LOHMAR, C. ROBIN, M. A. PARADA, A. G0URGAUD, L. LÓPEZ-ESCOBAR, H. MORENO, a J. NARANJO Magnetotelluric evidences for the suture between the Río de la Plata and Pampean cratons at 31° 40 s, Córdoba province, Argentina 446-449 M. G. LÓPEZ DE LUCHI, A. FAVETTO, C. POMPOSIELLO, a J. BOOKER Large scale landslides in overthrust wedges: Genetic and paleomorphological relations in the Calca area, Cusco, Peru 450-453 R. LÓPEZ-ZAPAN A, R. CARREÑ0, a S. KALAFAT0VICH Implications of eiastic dislocation modeling ai permanent deformation in the northern Chilean forearc 454-457 J. P. LOVELESS a R. W. ALLMENDINGER Complete recycling of the magmatic are in Cie (36°-39°S): Evidence from chemical and isotopic composition of (sub)recent trech sediments 458-460 F. LUCASSEN, G. FRANZ, a M. WIEDICKE Cretaceous rotations of the coastal blocks ofeuador (1 °N-3°S): Paleomagnetic evidence and implications for the origin and accretioof the blocks 461-463 L. D. A. LUZIEUX, F. HELLER, R. SPIKINGS, W. WKLER, & C. F. VALLEJO A GIS-based isotope map of the Central Andes 13 °S-28 °S) and implications for ore formation 464-467 M. AAAMANI, G. WÖRNER, G. HARTMANN, a D. CKSARD The western end of the Serrania dei Interior, \enezuela: A review 468-471 R. MANCEDA Crustal structure of the southwestern Colombian Caribbean area 472-476 A. MANTILLA-PIMIENTO, C. A. ALFONSO-PAVA, G. JENTZSCH, a J. KLEY Volcanic ash dating from the Mejillones Península (23°S): Implications for the Neogene outer fore-arc stratigraphy, tectonics and volcanic relationships 477-480 C. MARQUARDT, M. FORNARI, A. LAVENU, G. VARGAS, L. ORTLIEB, J.-F. RITZ, H. PHILIP, & N. MARINOVIC A Grenvillian anorthosite-mangerite-charnockite-granite suite in the basement of the Andes: The lio AMCG suite (southern Peru) 481-484 J. MARTIGNOLE, R. STEVENSON, & J.-E. MARTELAT A preliminary crustal geophysic model at 29°18'S based on the observed Bouguer anomaly 485-489 M. P. MARTÍNEZ a M. E. GIMENEZ The Late Paleozoic - Early Mesozoic Chocolate Formation of southern Peru: New data and interpretations 490-492 W. MARTÍNEZ, J. CERVANTES, D. ROMERO, a T. SEMPERE Active tectonics and kinematics of the Chomache fault (Salar Grande, Northern Chile) 493-496 E. MASANA, P. SANTANACH, R. PALLÀS, J. CALVET, a G. CHONG Erosion in the Andes and Sedimentation in the foreland basin of eastern Bolivia 497-498 G. MASCLE a D. ZUBIETA-ROSSETTI The magmatism in the easternmost sector of the Calama-Olocapato-EI Toro transversal fault system in the Central Andes at 24°S: Geotectonic significance 499-501 M. MATTEINI, A. GIONCADA, R. AAAZZUOLI, V. ACOCELLA, A. DINI, H. GUILLOU, R. OMARINI, A. UTTINI, L. VEZZOLI, a N. HAUSER Active shortening, surface deformation and Late Neogene coastal geomorphology of the Arauco Region, Chile 502-503 D. MELNICK, B. BOOKHAGEN, H. ECHTLER, a M. R. STRECKER Paleomagnetism of postglacial back-arc basalts in Gastre (northwestern Patagonia) 504-507 M. MENA, G. H. RÉ, M. HALLER, S. E. SINGER, a J. F. VILAS Carboniferous plutonism atong the Eastern Peruvian Cordillera: Implications for the Late Paleozoic to Early Mesozoic Gondwanan tectonics 508-511 A. MISKOVIC, U. SCHALTEGGER, a D. CHEW Occurrence and possible significance of Cretaceous turbidites in the Western Colombian Andes 512-515 J. MOJICA a O. J. ARÉVALO Three dimensional P and S wave velocity models in central Chile and western Argentina (31 °-34°S) from local data: No tear between the fíat and steep segments of the Nazca píate 516-519 T. MONFRET, M. PARDO, P. SALAZAR, E. VERA, A. EISENBERG, a G. YAÑEZ Uplift of the Sierra Nevada de Santa Marta and subsidence in the Cesar-Ranchería Valley: Rigid-beam pivot model 520-523 C. MONTES, G. BAYONA, C. JARAMILLO, C. OJEDA, M. MOLINA, a F. HERRERA Influences of tectonic inheritance and exhumation patterns in the timing and structural styles of the Eastern Cordillera of Colombia 524-526 A. MORA, M. PARRA, M. R. STRECKER, a E. R. SOBEL Relationships between very low-grade metamorphism and Cu-stratabound ore deposits in the Coastal Range of Central Chile 527-530 S. MORALES, M. BELMAR, D. MORATA, J. CARRILLO, K. HASLER, L. AGUIRRE, a P. FENOLL Geodynamic implications of the regional very low-grade metamorphism in the Lower Cretaceous of the Coastal Range in Central Chile 531-534 D. MORATA, L. AGUIRRE, G. FÉRAUD, a M. BELAAAR Intraplate foreland deformation in the Neuquén embayment 535 A. MOSQUERA a V. A. RAMOS A geological cross-section of the Andean orogen at 25.5 LS 536-539 J.A. MUÑOZ, A. AMILIBIA, N. CARRERA, R. MON, G. CHONG, E. ROCA, a F. SÀBAT The Abanico East Formation in the Chilean Andes (33°50's): Volcanism behind are front in an extensional tectonic setting 540-543 Mareia MUÑOZ, F. FUENTES, M. VERGARA, L. AGUIRRE, J. O. NYSTRÖM, a G. FÉRAUD Approaches to the relatively hot Altiplano plateau 544-547 Miguel MUÑOZ Thermochronological data and denudation history along a transect between Chañaral and Pedernales (-26° S), North Chilean Andes: Orogenic implications 548-551 T. NALPAS, G. HÉRAIL, C. MPODOZIS, R. RIQUELME, J. CLAVERO, a M.-P. DABARD Late Cenozoic climate indicators in marine sediments of southern Chile: Indications for the expansión of the circum-Antarctic cryosphere and impact on strength of the subduction zone 552-554 S. N. NIELSEN, T. VIETOR, H. ECHTLER, F. LAMY, K. L. FINGER, D. E. PETERSON, a D. FRASSINETTI The beginning of the Andean subduction system: 40Ar/39Ar dating of magmatic activity and subsequent very low-grade metamorphism / hydrothermal alteration in a Jurassic , o , Coastal Range, northern Chile (18 30'-23°30 S> 70°-70°30'W) 555-558 V. OLIVEROS, G. FÉRAUD, L. AGUIRRE, a M. FORNARI Geochemistry of the intrusive Miocene are magmas from the MalargUe area, southern Mendoza, Argentina: An overview and implications on crustal contamination 559-562 H. OSTERA, M. HALLER, M. G. LÓPEZ DE LUCHI, M. CAGNONI, A. RAMOS, a E. LINARES Neogene and Quaternary in the area, southern Peru: Stratigraphical and petrological correlations 563-566 P. PAQUEREAU, J.-C. THOURET, G. WÖRNER, a M. FORNARI New stratigraphic data on the initiation of mountain building at the eastern front of the Colombian Eastern Cordillera 567-571 M. PARRA, A. MORA, C. JARAMILLO, M. R. STRECKER, a G. VELOZA The Cretaceous volcanic arc in the Cordillera Principal (31 °58's), San Juan province, Argentina 572-573 D. J. PÉREZ, D. YAGUPSKY, a F. PAGAN Density structure of the Central Andes from 3D integrated gravity modelling 574-577 C. PREZZI, H.-J. GÖTZE, a S. SCHMIDT The effect of subduction earthquakes on the coastal configuraron of Northern Chile 578-581 J. QUEZADA, K. BATAILLE, a G. GONZÁLEZ A finite element model for the early to middle Miocene evolution of the Patagonian Andes at 47°S 582-585 J. QUINTEROS, V. A. RAMOS, a P. M. JACOVKIS Tectonostratigraphic evolution of the Arauco-ltata forearc basin, Central Chile 586-587 J. P. RADIC, P. ÁLVAREZ, a L. ROJAS Long-term tectonic influence on sequence architecture and stacking pattern revealed by hiatal shell bed features: Pleistocene succession of the Canoa Basin (central Ecuador) 588-591 L. RAGAINI, C. DI CELMA, G. CANTALAMESSA, a W. LANDINI Structural and magmatic responses to steepening of a fíat subduction, southern Mendoza, Argentina 592-595 V. A. RAMOS a A. FOLGUERA An AMS and paleomagnetic study across the Andes in Tierra del Fuego 596-599 A. E. RAPALINI, H. LIPPAI, A. TASSONE, a M. E. CERREDO Characterisation of the Cenozoic volcanism in northern Peru (7°45'-9°00's; 78°00'-78°45'w) 600-603 M. RIVERA, R. MONGE, a P. NAVARRO Sediment provenances and drainage evolution of the Neogene Amazonian foreland basin 604-607 M. RODDAZ , J. VIERS, S. BRUSSET, P. BABY, a G. HÉRAIL Nevado de Longaví volcano (Chilean Andes, 36.2°S): The origin of adakitic magmas by fractional crystallization of amphibole-rich assemblages from water-rich parent magmas 608-611 C. RODRÍGUEZ, D. SELLES, M. DUNGAN, W. LEEMAN, a C. LANGMUIR Stratigraphy of the northeastern edge of the Mesozoic Arequipa Basin, southern Peru 612-615 R. RODRÍGUEZ, E. CUÉLLAR, a T. SEMPERE An aborted rift process of Aptian-Albian age in central Peru, and its significance for the margin geodynamics 616-619 D. ROMERO, W. MARTÍNEZ, A. SÁNCHEZ, J. CERVANTES, M. CRUZ, S. ESPINOZA, a M. MAMANI Neotectonics in the margins of the Cauca River valley, Colombia 620-622 J. ROMERO Kinematics of the Andean sinistrai wrenching along the Fagnano-Magallanes fault zone (Argentina-Chile Fuegian foothills) 623-626 E. A. ROSSELLO Spatial and temporal constraints on Neogene tectonics of the Peruvian Altiplano from new paleomagnetic and geochronologic data 627-629 S. ROUSSE, S. GILDER, M. FORNARI, a T. SEMPERE Magmatic processes in the crust revealed from modeling magma dynamics combined with U-series disequilibria: A progress report on Volcán Quizapu, southern Chile 630-632 P. RUPRECHT, G. W. BERGANTZ, a K. M. COOPER Volcanic and tectonic influence on the Holocene Sedimentation of Lake Chungara (Andean Altiplano, N Chile) 633-635 A. SÁEZ, A. MORENO, B. L. VALERO-GARCÉS, J. J. PUEYO, C. HERRERA, R. O. GIBERT, S. GIRALT, C. TABERNER, a R. BAO Neogene tectonic and geomorphologic evolution of the Chilean coast between 30°s and 32°s: Study of marine abrasión surfaces 636-638 M. SAILLARD, J. MARTINOD, a G. HÉRAIL Middle Miocene to Recent structural evolution of the Oritupano-Leona area, Maturin sub-basin, Eastern Venezuela Basin 639-642 L. SALAZAR a M. OSTOS Geophysicat constraints on the structure and tectonics of the North Chile erosional convergent margin at 23°30'S 643-646 V. SALLARES a C. R. RANERO Analogue modelling of the influence of a rigid block in a strike-slip system: Comparison with the Domeyko Fault System, northern Chile 647-650 D. SANHUEZA, T. NALPAS, a B. TOWNLEY Geochronological constraints on tectonics and uplift of the Western Cordillera in southern Peru 651-654 T. F. SCHILDGEN, K. X. WHIPPLE, K. V. HODGES, a M. S. PRINGLE Crustal thickness variations in northern Venezuela from deep seismic observations 655-658 M. SCHMITZ, M. BEZADA, J. ÁVILA, E. VIEIRA, M. YÁNEZ, A. LEVANDER, C. A. ZELT, M. B. MAGNANI, V. ROCABADO, R. OLLARVES, G. GIL, J. SÁNCHEZ, V. CANO, M. I. JÁCOME, and the BOLIVAR active seismic working group Garnet phenocrysts in Early Miocene intrusives in Central Chile: Evidence for a crystal fractionation origin of adakite-like magmas 659-662 D. SELLÉS, D. MORATA, a P. GANA Assessing and dating Andean uplift by phylogeography and phylochronology : Early Miocene emergence of Andean cloud forests 663-665 T. SEMPERE, D. PICARD, a O. PLANTARD Architectural characteristics and deposition of the 3635 ± 50 yr BP Pucón of the Villarrica volcano, Southern Andes, Chile 666-669 C. SILVA, C. ROBIN, a T. H. DRUITT Constraining the Neogene evolution of the Central Andes fold belt between 35°-36°S using top-wedgp-growth strata record, Malargiie, Argentina 670-672 J. SILVESTRO a P. KRAEMER Study of the Sarmiento ophiolite magnetic minerais: Contribution to the reconnaissance of a metamorphic overprint 673-676 S. SINGER, A. RAPALINI, M. CALDERON, a F. HERVÉ Detecting a major ignimbrite event in the Central Andes 677-678 M. M. SOLER, S. E. SINGER, A. J. TOMLINSON, R. SOMOZA, M. I. B. RAPOSO, S. MATTHEWS, C. PÉREZ DE ARCE, N. BLANCO, a J. F. VILAS Miocene adakitic intrusions in the Western Cordillera of Ecuador 679-680 C. SOMERS, A. AMÓRTEGUI, H. LAPIERRE, E. JAILLARD, F. BUSSY, & P. BRUNET Cenozoic convergence in western South America: Subduction of the Nazca, Farallón, and Aluk plates 681-684 R. SOMOZA Recent tectonic activity in the Precordillera of the North Chilean forearc at the Salar de Punta Negra latitude (24-25°S) 685-688 R. SOTO, J. MARTINOD, R. RIQUELME, G. HÉRAIL, a L. AUDIN An integrated geological-geophysical profile across northwestern Venezuela 689-692 J. C. SOUSA, J. RODRÍGUEZ, C. GIRALDO, I. RODRÍGUEZ, F. AUDEMARD, a R. ALEZONES Preliminary paleomagnetic results from the Cambrian Mesón Group: Implications for the Bolivian Orocline 693-696 C. M. SPAGNUOLO, A. E. RAPALINI, a R. A. ASTINI Controls in Andean volume between 20° and 48°s 697-700 M. SPAGNUOLO, F. POSE, A. FOLGUERA, a V. A. RAMOS The relationship between the continental deposits of a lowstand wedge and the tectonic and magmatic processes at the Pacific continental margin: Example from the Upper Jurassic of the Neuquén Basin, Argentina 701-704 L. SPALLETTI, F. COLOMBO-PIÑOL, S. MATHEOS, a I. QUERALT (U-Th)/He - derived thermochronological constraints on the post - middle Miocene tectonic history of the Ecuadorian Andes 705-708 R. A. SPIKINGS, P. V. CROWHURST, a W. WINKLER Neogene to Present tectonic and orographic evolution of the Beni Subandean Zone 709-713 M. STRUB, G. HÉRAIL, J. DARROZES, R. GARCÍA-DUARTE, a G. ASTORGA Depositional model for the Quaternary Zarzal Formation (Colombia) and its stratigraphic relationship with the fluvio-volcanic mass flows derived from the Central Cordillera 714-717 F. SUTER, R. NEUWERTH, C. GUZMÁN, a G. G0RIN Structure and dynamics of the Andean margin: Insights from a 3D density model (5°-45°S) 718-721 A. TASSARA, H.-J. GÖTZE, & S. SCHMIDT Seismic study of the southernmost Andes in the SW : Main wrench faults and associated basin 722-725 A. TASSONE, D. YAGUPSKY, E. LODOLO, M. MENICHETTI, a H. LIPPAI The Central Andes in Peru: 'Old' Valleys in a 'young' mountain range? 726-729 J.-C. THOURET, G. WÖRNER, B. SINGER, & A. FINIZOLA Paleogeographic evolution of the southwest Gondwana boundary during the Late Paleozoic: Paleomagnetism of the lower Choiyoi volcanics in the San Rafael block, Mendoza, Argentina 730-733 R. N. TOMEZZOLI, L. E. KLEIMAN, J. A. SALVARREDI, C. TERRIZZANO, a E. 0. CRISTALLINI The Late Cretaceous to upper Eocene clastic deposits in Ecuador: Sedimentary response to accretionary events 734-737 J. TORO-ÁLAVA a E. JAILLARD Magnetic mineralogy in the Chuquicamata mine, Northern Chile: Application to paleomagnetic data for Validation of structural interpretation in hydrothermal systems 738-741 B. TOWNLEY, N. ASTUDILLO, P. ROPERCH, a C. ARRIAGADA Origin and age of Cu-stratabound ore deposits: Michilla district, Northern Chile 742-745 D. TRISTÁ-AGUILERA, J. RUÍZ, F. BARRA, D. M0RATA, 0. TALAVERA-MENDOZA, S. KOJIMA, a F. FERRARIS The Neogene Chaco foreland basin, Bolivia: Its evolution as related to Andean tectonics 746-748 C. E. UBA Deglaciation phases and derived geomorphologic processes on the stratovolcano (southern Peru) 749-751 J. ÚBEDA, J. ALCALÁ, J.-C. THOURET, a D. PALACIOS New insights into the timing of gold systems in the Tertiary metallogenic belt of San Luis, Argentina 752-755 N. E. URBINA A review of the nomenclature of the Cretaceous formations in the Ecuadorian Oriente Basin 756-759 S. VACA a E. ZAMBRANO Geochronology and provenance analysis of basement and clastic cover sequences within the northern Western Cordillera, Ecuador 760-762 C. VALLEJO, W. WINKLER, R. SPIKINGS, P. A. IOCHULI, a L. LUZIEUX Oligocene to Pleistocene exhumation pattens across the Apun'mac River drainage basin, southern Peru 763-766 P. S. VAN HEININGEN, V. CARLOTTO, A. D. ZU.OÂGA, L. ROMERO, a P. A. M. ANDRIESSEN Active tectonics in the volcaniclastic fan "Abanico del Quindio" near to Armenia city (Colombia) 767-769 C. A. VARGAS, H. MONSALVE, M. A. NIETO, M. VALDES, G. CAMACHO, a A. ESPINOSA Extension-related magmatism during mid-Cretaceous times in the Eastern Cordillera, Colombia 770-772 M. VÁSQUEZ, U. ALTENBERGER, R. L. ROMER, a J. M. MORENO Fe-rich Silicates in the Cobquecura pluton: An indicator of a-type granitoids in the Triassic magmatism of south-central Chile 773-775 P. S. VÁSQUEZ, G. FRANZ, a K. WEMMER Structural and stratigraphic architecture of the Tumbes forearc basin (Northern Peru) 776-778 M. VEGA, P. BABY, S. BRUSSET, N. VEGA, C. MONGES, R. BOLAÑOS, a R. MAROCCO Erosion influence on the evolution of compressive system constrained by analogue modelling 779-782 C. VENEGAS a T. NALPAS Preservation of the Miocene Atacama Graveis: Climatic / depositional-erosional balance in the El Salvador area, North Chilean Andes 783-786 A. VERNON, T. NALPAS, M.-P. DABARD, C. MPODOZIS, R. RIQUELME, a G. HÉRAIL Geochemical, geochronological and isotopic characterisation of the mafic basement and cover sequences within the Interandean depression, Ecuador 787-790 D. VILLAGÓMEZ, R. SPIKINGS, G. GORIN, a W. WINKLER Regional structural study and recent geomorphic deformation analysis along the frontal thrusts in the Serrania dei Interior foothills (northern Maturín sub-basin, eastern Venezuela) 791-794 R. A. WAGNER Evolution of Volcano, N. Chile: Evidence from major and trace elements, Sr-, Nd-, Pb-isotopes, age dating and chemical zoning in sanidine megacrysts 795-798 W. WEGNER, G. WÖRNER, a A. KRONZ Seismic imaging of the seismogenic coupling zone within the Project TIPTEQ: A 3-component reflection seismic experiment across the Chilean subduction zone at 38° S 799-801 P. WIGGER for the TIPTEQ research group The uplift of the Andean cordilleras in Ecuador as recorded by heavy minerais and detrital zircon ages in the Andean Amazon Basin sediment series 802-803 W. WINKLER, G. M. H. RUIZ, N. MARTIN-GOMBOJAV, R. A. SPIKINGS, a A. EGÜEZ Development of the Golfo de Guayaquil (Ecuador) as an effect of the North Andean Block tectonic escape since the lower Pleistocene x 804-808 C. WITT, J. BOURGOIS, F. MICHAUD, M. ORDOÑEZ, N. JIMÉNEZ, a M. S0SS0N Regional patterns in are magma composition in the Andean Central Volcanic Zone (13°S-28°S) 809-812 G. WÖRNER, M. MAMANI, G. HARTMANN, a K. SIMON Seismic hazard assessment in the Peru-Chile border región 813-816 Y. ZAMUDIO, J. BERROCAL, a C. FERNANDES The Lower Carboniferous of the western edge of Gondwana in Peru and Bolivia: Distribution of sedimentary basins and associated magmatism 817-820 A. ZAPATA, A. SANCHEZ, S. CARRASCO, A. CARDONA, J. GALDOS, F. CERRÓN, a T. SEMPERE

INVITED TALK: The composition of the upper mantle beneath the Central Andean continental margin 821-823 Friedrich LUCASSEN a Gerhard FRANZ INVITED TALK: What caused Andean uplift? 824-827 Adrian J. HARTLEY AUTHORINDEX 828-832