Backbone of the Americas—Patagonia to Alaska, (3–7 April 2006)
Session No. 12 Thursday, 6 April 2006
2:00 PM-7:30 PM, Congress & Exhibition Center: Auditorio Bustelo Norte

T3. Shallowing and Steepening Subduction Zones III

 Paper #Start Time
12-12:00 PM SYNCHRONOUS ARC HIATUS AND EXHUMATION: THE RESULT OF SUBDUCTION EROSION OF FOREARC IN THE LATE OLIGOCENE - EARLY MIOCENE OF SOUTHWESTERN MEXICO: MORAN-ZENTENO, Dante J.1, KEPPIE, J. Duncan2, MARTINY, Barbara M.3, and GONZÁLEZ-TORRES, Enrique A.1, (1) Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, México D.F, 04510, Mexico, dantez@servidor.unam.mx, (2) Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, (3) UNAM - Ciudad Univ, Deleg Coyoacan, Mexico City, DF 04510, Mexico
12-22:20 PM EPISODIC DEFORMATION AND DEPOSITION IN NW MEXICO FROM THE LATE CRETACEOUS TO MIDDLE TERTIARY AS RECORDED IN SAHUARIPA, SONORA: BLAIR, Karen D., Earth Science, Univ of California, Santa Barbara, Department of Earth Science, University of California, Santa Barbara, CA 93106, kblair@umail.ucsb.edu and GANS, Phillip B., Geological Sciences, Univ of California, Santa Barbara, Department of Geological Sciences, University of California, Santa Barbara, CA 93106
12-32:40 PM CONTROL OF SHALOW AND STEEP SUBDUCTION ON INTRA-ARC DEFORMATION IN THE TRANS MEXICAN VOLCANIC BELT: CONTRERAS, Juan, Departamento de Geologia, Centro de Investigacion Cientifica y de Educacion Superior de Ensenada (CICESE), km 107 carretera Tijuana-Ensenada, Ensenada 22860 Mexico, juanc@cicese.mx
12-43:00 PM INFLUENCE OF THE SUBDUCTION OF THE CARNEGIE VOLCANIC RIDGE ON ECUADORIAN GEOLOGY: REALITY OR FICTION?: MICHAUD, François1, WITT, Cesar1, BOURGOIS, Jacques2, BUSTILLOS, Jorge3, and PENAFIEL, Lilia3, (1) UPMC-IRD-CNRS-UNSA- UMR 6526, Géosciences Azur and Escuela Politecnica Nacional, Departamento de Geologia, (Ecuador), B.P. 48 - Port de la Darse, Villefranche sur Mer, 06235, France, micho@geoazur.obs-vlfr.fr, (2) Geosciences Azur, Institut pour la Recherche et le Développement, Escuela Politecnica Nacional, Quito, 17-01-2759, Ecuador, (3) Departamento de Geologia, Escuela Politecnica Nacional, Andalucia s/n, Quito, 17-01-2759, Ecuador
12-53:20 PM THE EOCENE COMPRESSIVE TECTONIC EVENT IN PERU: A RESULT OF FLAT SUBDUCTION: CARLOTTO, Victor, Dirección Geocientífica, INGEMMET, Av. Canada 1470 San Borja, Lima, 41, Peru, vcarlotto@ingemmet.gob.pe and CARDENAS, Jose, Departamento de Geologia, UNSAAC, Av. de la Cultura 733, Cusco, Peru
 3:40 PM Break
12-64:00 PM SHAPE OF THE NAZCA SLAB ALONG THE CENTRAL ANDEAN MARGIN IS PARTIALLY CONTROLLED BY THE COMPOSITIONAL STRUCTURE OF THE CONTINENTAL CRUST: TASSARA, Andres, Institute für Geologische Wissentschaften, Frei Universität Berlin, Berlin D-12249 Germany, andres@geophysik.fu-berlin.de
12-74:20 PM SPACE GEODETIC STUDIES OF OROGENESIS AND FLAT SUBDUCTION: THE PRECORDILLERA AND SIERRAS PAMPEANAS OF WESTERN ARGENTINA: BROOKS, Benjamin A.1, BEVIS, Michael G.2, SMALLEY, Robert Jr3, KENDRICK, Eric4, COSTA, Carlos H.5, GARDINI, Carlos E.5, BARON, Jorge6, LAURIA, Eduardo7, and ARAUJO, Mario8, (1) Hawaii Institute of Geophysics and Planetology, University of Hawaii - Manoa, 1680 East-West Rd, Honolulu, HI 96822, bbrooks@soest.hawaii.edu, (2) Geological Sciences, Ohio State University, 275 Mendenhall Laboratory, 125 South Oval, Columbus, OH 43212, (3) Center for Earthquake Research and Information, University of Memphis, 3876 Central Ave, Suite 1, Memphis, TN 38152, (4) Geodetic Science, Ohio State University, 470 Hitchcock Hall, 2070 Neil Ave, Columbus, OH 43210, (5) Departamento de Geologia, Universidad Nacional de San Luis, San Luis, 5700, Argentina, (6) Instituto CEDIAC, Universidad Nacional de Cuyo, Mendoza, 5500, Argentina, (7) Instituto Geografico Militar Argentina, Buenos Aires, Argentina, (8) Instituto Nacional de Prevención Sísmica, Roger Balet 47 N, San Juan, 5400, Argentina
12-84:40 PM COLD, DRY, DEPLETED LITHOSPHERE ABOVE THE FLAT SLAB IN CENTRAL CHILE AND ARGENTINA: WAGNER, Lara1, BECK, Susan L.2, ZANDT, George2, DUCEA, Mihai N.2, and ANDERSON, Megan3, (1) DTM, Carnegie Institution of Washington, 5241 Brad Branch Road, NW, Washington, DC 20015-1305, wagner@dtm.ciw.edu, (2) Department of Geosciences, University of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721-0077, (3) U.S.G.S, 345 Middlefield Road, Menlo Park, CA 94025
12-95:00 PM CRUSTAL THICKNESS IN THE ANDES FROM TELESEISMICALLY RECORDED DEPTH-PHASE PRECURSORS: MCGLASHAN, Neil A., Earth and Atmospheric Science, Cornell University, Snee Hall, Ithaca, NY 14853, nam36@cornell.edu, BROWN, Larry D., INSTOC, Cornell Univ, Department of Earth and Atmospheric Sciences, Snee Hall, Cornell University, Ithaca, NY 14853, and KAY, Suzanne Mahlburg, INSTOC, Cornell University, Department of Earth and Atmospheric Sciences, Snee Hall, Cornell University, Ithaca, NY 14853
12-105:20 PM NEOGENE EXHUMATION AND UPLIFT OF THE ANDEAN MAIN CORDILLERA FROM APATITE FISSION TRACKS BETWEEN 33º30' AND 34º00': FOCK, Andrés1, CHARRIER, Reynaldo2, MAKSAEV, Victor3, and FARÍAS, Marcelo3, (1) Departamento de Geologia Aplicada, Servicio Nacional de Geologia y Mineria (SERNAGEOMIN), Av. Santa María #0104, Providencia, Santiago, 753-0263, Chile, afock@sernageomin.cl, (2) Departamento de Geología, Universidad de Chile, Casilla 13518 Correo 21, Santiago, Chile, (3) Departamento de Geología, Universidad de Chile, Casilla 13518, Correo 21, Santiago, Santiago, Chile
 5:40 PM Posters and Refreshments

Back to the Backbone of the Americas—Patagonia to Alaska, (3–7 April 2006)
General Information for this Meeting