Backbone of the Americas—Patagonia to Alaska, (3–7 April 2006)

Session No. 9
Thursday, 6 April 2006: 8:30 AM-12:30 PM

T3. Shallowing and Steepening Subduction Zones II

 

Paper #
Start Time
1
8:30 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, (2)Laboratori de Càlcul Numèric, Universitat Politècnica de Catalunya, Mòdul C2, Jordi Girona 1-3, Barcelona, 08034, Spain, szlotnik@ija.csic.es, szlotnik@ija.csic.es
2
8:50 AM
SLAB GEOMETRY AND TECTONICS OF THE OVERRIDING CONTINENTAL PLATE : INSIGHTS FROM ANALOGUE MODELLING
GUILLAUME, Benjamin1, ESPURT, Nicolas1, MARTINOD, Joseph1, FUNICIELLO, Francesca2 and FACCENNA, Claudio3, (1)Laboratoire des Mécanismes et Transferts en Géologie, LMTG-UMR 5563, Observatoire Midi-Pyrénées - 14 Avenue Edouard Belin, Toulouse, 31400, France, (2)Dipartimento di Scienze Geologiche, Università Roma Tre, Largo San Leonardo Murialdo 1, Roma, 00146, Italy, (3)Dipartimento di Scienze Geologiche, Università Roma Tre, Largo S.Leonardo Murialdo, 1, Roma, 00146, Italy, bguillau@lmtg.obs-mip.fr, bguillau@lmtg.obs-mip.fr
3
9:10 AM
UNLIKELY BACKBONES SUPPORTING FLAT SUBDUCTION
MUÑOZ, Miguel, Jorge Matte 2005, Santiago, Providencia, Chile, mmhGEO@hotmail.com, mmhGEO@hotmail.com
4
9:30 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 and ATWATER, Tanya M., Univ California - Santa Barbara, Webb Hall, Santa Barbara, CA 93106-9630, afg@unc.edu, afg@unc.edu
5
9:50 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, 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, marty@argon.ess.ucla.edu, marty@argon.ess.ucla.edu
 
10:10 AM
Break
6
10:30 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, ringer@ess.ucla.edu
7
10:50 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 and ERSLEV, Eric A., Department of Geosciences, Colorado State Univ, Fort Collins, CO 80523, thomas.neely@colostate.edu, thomas.neely@colostate.edu
8
11:10 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, vlad@gps.caltech.edu
9
11:30 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, marina@gps.caltech.edu
10
11:50 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, (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, clay@gps.caltech.edu, clay@gps.caltech.edu
11
12:10 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, 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, dawnika@eps.berkeley.edu, dawnika@eps.berkeley.edu
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