Backbone of the Americas—Patagonia to Alaska, (3–7 April 2006)
Session No. 9 Thursday, 6 April 2006
8:30 AM-12:30 PM, Congress & Exhibition Center: Auditorio Bustelo Norte

T3. Shallowing and Steepening Subduction Zones II

 Paper #Start Time
9-18:30 AM THERMO-MECHANICAL NUMERICAL MODELING OF SUBDUCTION PROCESSES: ZLOTNIK, Sergio1, FERNÀNDEZ, Manel1, VERGÉS, Jaume M.1, and DÍEZ, Pedro2, (1) Geodinámica y Geofísica, Instituto de Ciencias de la Tierra "Jaume Almera", C/ Lluís Solé i Sabarís s/n, Barcelona, 08028, Spain, szlotnik@ija.csic.es, (2) Laboratori de Càlcul Numèric, Universitat Politècnica de Catalunya, Mòdul C2, Jordi Girona 1-3, Barcelona, 08034, Spain
9-28:50 AM SLAB GEOMETRY AND TECTONICS OF THE OVERRIDING CONTINENTAL PLATE : INSIGHTS FROM ANALOGUE MODELLING: GUILLAUME, Benjamin1, ESPURT, Nicolas1, MARTINOD, Joseph1, FUNICIELLO, Francesca2, and FACCENNA, Claudio2, (1) Laboratoire des Mécanismes et Transferts en Géologie, LMTG-UMR 5563, Observatoire Midi-Pyrénées - 14 Avenue Edouard Belin, Toulouse, 31400, France, bguillau@lmtg.obs-mip.fr, (2) Dipartimento di Scienze Geologiche, Università Roma Tre, Largo S.Leonardo Murialdo, 1, Roma, 00146, Italy
9-39:10 AM UNLIKELY BACKBONES SUPPORTING FLAT SUBDUCTION: MUÑOZ, Miguel, Jorge Matte 2005, Santiago Providencia Chile, mmhGEO@hotmail.com
9-49:30 AM FLAT SUBDUCTION AND CENOZOIC MAGMATIC PATTERNS IN WESTERN NORTH AMERICA: GLAZNER, Allen F., Dept. of Geological Sciences, University of North Carolina, CB# 3315, Chapel Hill, NC 27599, afg@unc.edu and ATWATER, Tanya M., Univ California - Santa Barbara, Webb Hall, Santa Barbara, CA 93106-9630
9-59:50 AM DID LATE CRETACEOUS-EARLY CENOZOIC FARALLON-KULA RIDGE SUBDUCTION BREACH THE BATHOLITHIC MARGIN OF SW NORTH AMERICA?: GROVE, Marty, Dept. of Earth and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, marty@argon.ess.ucla.edu, JACOBSON, Carl E., Dept of Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011-3212, and BARTH, Andrew P., Department of Geology, Indiana Univ-Purdue Univ, Indianapolis, IN 46202
 10:10 AM Break
9-610:30 AM PALEOTECTONIC EVOLUTION OF SOUTHERN CALIFORNIA: INGERSOLL, Raymond V., Earth and Space Sciences, Univ of California, Los Angeles, CA 90095-1567, ringer@ess.ucla.edu
9-710:50 AM 3D STRAIN AT TRANSITIONS IN FORELAND ARCH GEOMETRY: STRUCTURAL MODELING OF THE SOUTHERN BEARTOOTH ARCH TRANSITION ZONE, NW BIGHORN BASIN, NW WYOMING: NEELY, Thomas G., Department of Geosciences, Colorado State University, Fort Collins, CO 80523, thomas.neely@colostate.edu and ERSLEV, Eric A., Department of Geosciences, Colorado State Univ, Fort Collins, CO 80523
9-811:10 AM ANOMALOUS MANTLE WEDGE IN SOUTHERN MEXICO (CHIAPAS): OBSERVATIOBAL CONSTRAINTS AND NUMERICAL MODELS: MANEA, Vlad Constantin and MANEA, Marina, Seismology, Caltech, 1200E California Blvd, Caltech, South Mudd, MS 252-21, Pasadena, CA 91125, vlad@gps.caltech.edu
9-911:30 AM MAGNETIC QUIET ZONE AND FLAT SLAB SUBDUCTION IN CENTRAL MEXICO: MANEA, Marina and MANEA, Vlad Constantin, Seismology, Caltech, 1200E California Blvd, Caltech, South Mudd, MS 252-21, Pasadena, CA 91125, marina@gps.caltech.edu
9-1011:50 AM FLAT SLAB SUBDUCTION IN CENTRAL MEXICO AS DETERMINED BY THE MASE PROJECT: CLAYTON, Robert W.1, PEREZ-CAMPOS, Xyoli2, HUSKER, Allan3, IGLESIAS, Arturo2, KIM, Young Hee1, MANEA, Vlad Constantin1, DAVIS, Paul3, FERRARI, Luca4, GURNIS, Michael1, and KOSTOGLODOV, Vladimir5, (1) Seismological Laboratory, California Instiute of Technology, 252-21, Pasadena, CA 91125, clay@gps.caltech.edu, (2) Institute of Geophysics, UNAM, Mexico City, (3) Earth and Space Science, University of California at Los Angeles, Los Angeles, CA 90095, (4) Centro de Geociencias, UNAM, Campus Juriquilla, Juriquilla, 76230, Mexico, (5) Insituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico D.F
9-1112:10 PM A GAP IN THE CENTRAL MEXICAN VOLCANIC BELT: A RESULT OF SHALLOW SUBDUCTION OF THE OROZCO FRACTURE ZONE?: BLATTER, Dawnika L., Berkeley Geochronolgy Center, 2455 Ridge Road, Berkeley, CA 94709, dawnika@eps.berkeley.edu, HAMMERSLEY, Lisa C., Geology Department, California State University Sacramento, 6000J Street, Sacramento, CA 95819, and CARMICHAEL, Ian SE., Department of Earth and Planetary Science, University of California - Berkeley, 301 McCone Hall, Berkeley, CA 94720-4767

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