2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 130 Monday, 19 October 2009
1:30 PM-5:30 PM, Oregon Convention Center: A107/108/109

T46. Linking Shallow to Deep Crustal Processes in Arc and Collisional Orogens (GSA Structural Geology and Tectonics Division)

Stacia Gordon and Leonardo Cruz, Presiding
 Paper #Start Time
130-11:30 PM THE ROLE OF SURFACE PROCESSES AS A DRIVER OF CRUSTAL PROCESSES: BURBANK, Doug, Department of Earth Science, University of California, Santa Barbara, CA 93106, burbank@crustal.ucsb.edu
130-21:50 PM EXPERIMENTAL SIMULATION OF EROSION AND ITS CONTROL ON THE KINEMATICS AND GEOMETRY OF A FOLD-AND-THRUST BELTS: CRUZ, Leonardo, Department of Geological and Environmental Sciences, Stanford University, Braun Hall 215, Stanford University, Stanford, CA 94305, leocruz@stanford.edu, HILLEY, George E., Department of Geological and Environmental Sciences, Stanford University, 455 Serra Mall, Building 320, Stanford, CA 94305-2115, and TAKE, Andy, Department of Civil Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
130-32:05 PM MIGRATION OF THE CARIBBEAN-NORTH AMERICA-COCOS TRIPLE JUNCTION: THE ZIPPER MODEL AND THE EVOLUTION OF THE TRANSFORM POLOCHIC-MOTAGUA FAULT SYSTEM (GUATEMALA): AUTHEMAYOU, Christine1, BROCARD, Gilles Y.2, TEYSSIER, Christian3, SIMON-LABRIC, Thibaud4, CHIQUÍN, Louis5, GUTTIÉRREZ, Axel5, and MORÁN, Sergio5, (1) Institut Universitaire Européen de la Mer, Université de Bretagne Occidentale, Place Copernic, Plouzané, 29280, France, christine.authemayou@univ-brest.fr, (2) Earth and Environmental Sciences, University of Pennsylvania, 240 South 33rd Street, Hayden Hall, Philadelphia, PA 19104, (3) Geology & Geophysics, University of Minnesota, Minneapolis, MN 55455, (4) Géologie et Paléontologie, Université de Lausanne, Batiment Anthropole, Lausanne, 1015, Switzerland, (5) Carrera de geologia CUNOR, University of San Carlos de Guatemala, Apartado postal 55, Alta Verapaz, Coban, 16001, Guatemala
130-42:20 PM DEEP AND SHALLOW STRUCTURE OF TAIWAN ARC-CONTINENT COLLISION: SUPPE, John1, WU, Yih-Min1, CARENA, Sara2, and USTASZEWSKI, Kamil3, (1) Department of Geosciences, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, P.O. Box 13-318, Taipei, 10617, Taiwan, suppe@princeton.edu, (2) Department of Earth and Environmental Sciences, University of Munich, Luisenstrasse 37, Munich, 80333, Germany, (3) Section 3.1 Lithosphere Dynamics, German Research Center for Geosciences GFZ, Telegrafenberg C226, Potsdam, 14473, Germany
130-52:35 PM OROGENIC EVOLUTION ABOVE A STRIKE-LIMITED SUBDUCTION ZONE: INSIGHT INTO SYNTAXIS DEVELOPMENT: WHIPP, David M. Jr, Department of Oceanography, Dalhousie University, 1355 Oxford St, Halifax, NS B3H 4J1, Canada, dwhipp@dal.ca, BRAUN, Jean, Laboratoire de Géodynamique des Chaînes Alpines, Université Joseph Fourier, Grenoble, 38041, France, and BEAUMONT, Christopher, Department of Oceanography, Dalhousie University, Halifax, NS B3H 4J1, Canada
130-62:55 PM SLAB EXTRUSION, CRUSTAL DIAPIRISM AND POST-OROGENIC MELTING: A SPECTRUM OF MECHANISMS FOR THE EXHUMATION OF SUBDUCTED CONTINENTAL CRUST: BRUECKNER, Hannes K., School of Earth and Environmental Sciences, Queens College, CUNY, 65-30 Kissena Boulevard, Flushing, NY 11367-1597, hannes@ldeo.columbia.edu
130-73:10 PM COEVAL DEEPENING OF SUPRACRUSTAL SEDIMENTS AND ECLOGITE-FACIES METAMORPHISM OF SIALIC CRUST: RECORD OF CAMPANIAN COLLISION AT THE CARIBBEAN-NORTH AMERICAN PLATE BOUNDARY: MARTENS, Uwe, Geological and Environmental Sciences, Stanford University, Braun Hall (Geo Corner) #118, Stanford, CA 94305, umartens@stanford.edu, MATTINSON, Christopher G., Geological Sciences, Central Washington University, 400 E University Way, MS 7418, Ellensburg, WA 98926, BRUECKNER, Hannes K., School of Earth and Environmental Sciences, Queens College, CUNY, 65-30 Kissena Boulevard, Flushing, NY 11367-1597, and LIOU, J.G., Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Bldg 320, Stanford, CA 94305-2115
130-83:25 PM ON THE COMPLEX RELATIONSHIP BETWEEN PLATE TECTONICS, LITHOSPHERIC AND SURFACE PROCESSES REVEALED IN METAMORPHIC CORE COMPLEXES OF THE WOODLARK RIFT, EASTERN PAPUA NEW GUINEA: BALDWIN, Suzanne L.1, MILLER, Scott R.2, ZIRAKPARVAR, Nasser A.1, and FITZGERALD, Paul G.1, (1) Earth Sciences, Syracuse University, Syracuse, NY 13244-1070, sbaldwin@syr.edu, (2) Medford, MA 02155
 3:45 PM Break
130-94:00 PM LINKING DEEP AND SHALLOW CRUSTAL PROCESSES IN AN EXHUMED CONTINENTAL ARC, NORTH CASCADES, WASHINGTON: MILLER, Robert B.1, GORDON, Stacia2, BOWRING, S.a.3, DORAN, Brigid1, MCLEAN, N.4, SHEA, Erin4, WHITNEY, D.L.5, and WINTZER, N.E.6, (1) Geology, San Jose State University, San Jose, CA 95192-0102, rmiller@geosun.sjsu.edu, (2) Institute for Crustal Studies, University of California, Santa Barbara, University of California, Santa Barbara, Santa Barbara, CA 93106, (3) Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (4) EAPS, MIT, 77 Massachusetts Ave, Cambridge, MA 02139, (5) Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Dr SE, Minneapolis, MN 55455, (6) Geology Department, San Jose State University, One Washington Square, San Jose, CA 95192
130-104:15 PM GEOCHRONOLOGICAL CONSTRAINTS ON SYNCHRONOUS REGIONAL TRANSTENSION, BASIN FILL, METAMORPHISM, AND EXHUMATION OF HIGH PRESSURE GNEISSES IN THE NORTH CASCADES, WA: MCLEAN, Noah, Earth, Atomospheric, and Planetary Sciences, MIT, 77 Massachusetts Ave, Cambridge, MA 02139, nmclean@mit.edu, BOWRING, Sam, Department of Earth, Atmospheric, and Planetary Sciences, MIT, 77 Massachusetts Ave, Building 54-1124, Cambridge, MA 02139, MILLER, Robert, Geology Department, San Jose State University, One Washington Square, San Jose, CA 95192, and GORDON, Stacia, Department of Geological Sciences, University of Nevada, Reno, 1664 N. Virginia, MS 0172, Reno, NV 89557
130-114:30 PM INSIGHTS INTO SOURCE VARIATION FOR SOUTHERN CALIFORNIA CORDILLERAN GRANITES VS. GRANODIORITES THROUGH ZIRCON GEOCHRONOLOGY, THERMOMETRY, AND TRACE ELEMENT CHEMISTRY: A CASE STUDY IN JOSHUA TREE NATIONAL PARK: ECONOMOS, Rita, Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 W. Michigan St, SL118, Indianapolis, IN 46202, ritaecon@iupui.edu, WOODEN, Joseph L., USGS-Stanford Ion Microprobe Laboratory, Stanford University, Stanford, CA 94305, and BARTH, Andrew, Earth Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202
130-124:45 PM FORMATION AND EVOLUTION OF THE AILLIK DOMAIN, MAKKOVIK PROVINCE: A PALEOPROTEROZOIC ACCRETIONARY OROGEN PRESERVED IN LABRADOR, CANADA: HINCHEY, Alana M., Geological Survey, Government of Newfoundland and Labrador, P.O. Box 8700, St. John's, NF A1B 4J6 Canada, alanahinchey@gov.nl.ca
130-135:00 PM THE ORIGIN OF EL HATO SILICIC IGNIMBRITE OF EL VALLE VOLCANO, PANAMA: EVIDENCE OF DEEP FRACTIONATION PROCESSES: HIDALGO, Paulo J., Geological Sciences, Michigan State University, 206 Natural Science Bld, East Lansing, MI 48824, hidalgop@msu.edu, VOGEL, Thomas A., Geological Sciences, Michigan State University, East Lansing, MI 48824, CURRIER, Ryan, Department of Earth and Planetary Sciences, Johns Hopkins University, 301 Olin Hall, 3400 N. Charles Street, Baltimore, MD 21218, LAYER, Paul, Geology and Geophysics, Univ of Alaska Fairbanks, PO 755780, Fairbanks, AK 99775, and ROONEY, Tyrone, Geological Sciences, Michigan State University, 206 Natural Sciences, East Lansing, MI 48824
130-145:15 PM CUMULATES FROM THE PANAMA CANAL REGION: SQUEEZING THE AMPHIBOLE “SPONGE”: ROONEY, Tyrone, Geological Sciences, Michigan State University, 206 Natural Sciences, East Lansing, MI 48824, rooneyt@msu.edu

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