2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 103
Monday, 2 November 2015: 8:00 AM-12:00 PM
Room 308 (Baltimore Convention Center)

T209. Rheological Behavior of Ductile Lithosphere during Strain Localization

GSA Structural Geology and Tectonics Division
Vasileios Chatzaras, Julie Newman and Basil Tikoff, Session Chairs
Paper #
Start Time
8:00 AM
RHEOLOGICAL TRANSITIONS AND STRAIN LOCALIZATION IN LOWER CRUSTAL SHEAR ZONES: EVIDENCE FROM THE ROOT OF A CONTINENTAL ARC EXPOSED IN FIORDLAND, NEW ZEALAND
KLEPEIS, Keith, Dept of Geology, The University of Vermont, Burlington, VT 05405, MIRANDA, Elena A., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8266, SCHWARTZ, Joshua J., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330 and STOWELL, Harold, Geological Sciences, University of Alabama, Tuscaloosa, AL 35487-0338, Keith.Klepeis@uvm.edu
8:20 AM
LOCALIZED SHEAR ZONES VERSUS DISTRIBUTED TECTONIC FABRICS: AN EXAMPLE FROM GEOLOGIC AND SEISMIC OBSERVATIONS IN PROTEROZOIC COLORADO BASEMENT
MAHAN, K.H.1, SCHULTE-PELKUM, V.1, CONDIT, Cailey B.2, BAIRD, Graham B.3, ALLAZ, Julien M.2 and KELLY, Nigel M.2, (1)Geological Sciences, University of Colorado, 2200 Colorado Ave, Boulder, CO 80309, (2)Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309-0399, (3)Earth and Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, mahank@colorado.edu
8:40 AM
HOW DOES THE EVOLVING FABRIC OF ROCKS IN SHEAR ZONES AFFECTS THE STRENGTH OF CONTINENTAL OR OCEANIC LITHOSPHERE?
MONTESI, Laurent, Department of Geology, University of Maryland, 237 Regents Drive, College Park, MD 20742, montesi@umd.edu
9:15 AM
THE CONTROL OF RECRYSTALLIZATION ON THE CRYSTALLOGRAPHIC PREFERRED ORIENTATION OF NATURALLY DEFORMED QUARTZ AND FELDSPAR, RIBEIRA BELT (SE BRAZIL)
CAVALCANTE, Geane Carolina, Instituto de Geocências, University of São Paulo, Rua do Lago, 562, São Paulo, 05508080, Brazil, SILVA, Marcos Egydio, Instituto de Geociências, University of São Paulo, Rua do lago, 562, São Paulo, 05508080, Brazil, MORALES, Luiz Fernando Grafulhas, Geomechanik und Rheologie, Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, Potsdam, 14473, Germany, LAGOEIRO, Leonardo Evangelista, Escola de Minas-Departamento de Geologia, University of Ouro Preto, Ouro Preto, 35400, Brazil and FERREIRA, Filippe, Escola de Minas-Departamento de Geologia, University of Ouro Preto, Ouro Preto, 35400000, Brazil, geanecarol@gmail.com
9:30 AM
RHEOLOGICAL EVOLUTION OF THE LARAMIDE SUBDUCTION CHANNEL IN SOUTHERN CALIFORNIA
XIA, Haoran, Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089-0740 and PLATT, John P., Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, haoranxi@usc.edu
9:45 AM
STRAIN LOCALIZATION PROCESSES IN EXPERIMENTALLY AND NATURALLY DEFORMED DOLOMITE
WELLS, Rachel, Earth and Planetary Science, Washington University in St. Louis, St. Louis, MO 63130, HOLYOKE III, Caleb, Geology, The University of Akron, Akron, OH 44325, NEWMAN, Julie, Geology and Geophysics, Texas A&M University, College Station, TX 77843 and KRONENBERG, Andreas, Geology and Geophysics, Texas A&M University, Carrollton, TX 77843, rwells@wustl.edu
10:00 AM
RHEOLOGICAL IMPLICATIONS OF EXTENSIONAL DETACHMENTS: MEDITERRANEAN AND NUMERICAL INSIGHTS
LABROUSSE, Loic, iSTeP, UPMC Paris 6, 4, place Jussieu case 129, Paris, 75005, France, HUET, Benjamin, Department of Geodynamics and Sedimentology, University of Vienna, Althanstrasse, 14, Vienna, 1090, Austria, LE POURHIET, Laetitia, ISTeP, UPMC, Paris, 75005, France, JOLIVET, Laurent, Universite d'Orleans-CNRS, Orléans, France and BUROV, Evgueni, Inst. Sc. Terre à Paris (ISTeP), UMR CNRS 7193 Université P.M. Curie, Paris, 75005, France, loic.labrousse@upmc.fr
10:15 AM
DEFORMATION TEMPERATURE GRADIENTS AND KINEMATIC EVOLUTION OF A DISTRIBUTED MID-CRUSTAL SHEAR ZONE, LHAGOI KANGRI RANGE, SOUTHERN TIBET
DIEDESCH, Timothy F., Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, 1412 Circle Dr, Knoxville, TN 37996-1410, JESSUP, Micah J., Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, COTTLE, John M., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106 and ZENG, Lingsen, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 100037, China, tdiedesc@utk.edu
103-10
10:30 AM
Withdrawn
10:45 AM
THE PERI-LAURENTIAN MARGIN OF SOUTHERN NEW ENGLAND: A TRANSPRESSIVE BOUNDARY FOR 200 MILLION YEARS
HELOU, Christen E., Department of Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47405, WATHEN, Bryan, Department of Geological Sciences, Indiana University, 1001 E. 10th St, Bloomington, IN 47405, WINTSCH, Robert P., Department of Geological Sciences, Indiana University, 1001 E. 10th Street, Bloomington, IN 47405 and YI, Keewook, Korea Basic Science Institute, Ochang, Chungbuk, 363-883, South Korea, chelou@indiana.edu
11:00 AM
LONG-TERM STRENGTH CONTRASTS BETWEEN TEXTURALLY SIMILAR FAULT ROCKS ACROSS A LARGE STRIKE-SLIP SHEAR ZONE: A CASE STUDY OF THE KELLYLAND FAULT ZONE, EASTERN MAINE
SULLIVAN, Walter A., Department of Geology, Colby College, 5800 Mayflower Hill, Waterville, ME 04901, MONZ, Morgan E., Department of Earth Sciences, University of Minnesota, Pillsbury Hall, University of Minnesota, 310 Pillsbury Dr SE, Minneapolis, MN 55455 and BOYD, Ariana S., Department of Earth and Planetary Sciences, University of Tennessee, 306 EPS Building, 1412 Circle Dr, Knoxville, TN 37996, wasulliv@colby.edu
11:15 AM
COMPETING CHEMICAL AND MECHANICAL PROCESSES PRODUCING GNEISSIC LAYERING IN A DEEP CRUSTAL SHEAR ZONE: AN EXAMPLE FROM SW MONTANA
CONDIT, Cailey B., Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309-0399, MAHAN, Kevin H., Department of Geological Sciences, University of Colorado, Campus Box 399, 2200 Colorado Ave, Boulder, CO 80309, ORLANDINI, Omero F., Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309 and RATTANASITH, Diana, Dept. of Earth and Planetary Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, cailey.condit@colorado.edu
11:30 AM
MANTLE DEFORMATION AND STRAIN LOCALIZATION AT AN OCEANIC PALEOTRANSFORM FAULT: THE BOGOTA PENINSULA SHEAR ZONE
CHATZARAS, Vasileios1, TIKOFF, Basil1, TITUS, Sarah2, KRUCKENBERG, Seth C.3, WITHERS, Anthony C.4, TEYSSIER, Christian5 and DRURY, Martyn6, (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, (2)Dept. of Geology, Carleton College, 1 North College St, Northfield, MN 55057, (3)Earth and Environmental Sciences, Boston College, Chestnut Hill, MA 02467, (4)Geological Sciences, Western University, 1151 Richmond Street N, Biological & Geological Sciences Building, London, ON N6A 5B7, Canada, (5)Earth Sciences, University of Minnesota, Minneapolis, MN 55455, (6)Department of Earth Sciences, Utrecht University, Postbus 80021, Utrecht, 3508 TA, Netherlands, chatzaras@wisc.edu
11:45 AM
FEEDBACK BETWEEN HYDRATION AND DEFORMATION IN AN OCEANIC PALEOTRANSFORM (NEW CALEDONIA) FROM HIGH TEMPERATURE MYLONITIZATION TO SERPENTINIZATION
TEYSSIER, Christian1, CHATZARAS, Vasileios2, VON DER HANDT, Anette1 and WARREN, Jessica M.3, (1)Earth Sciences, University of Minnesota, Minneapolis, MN 55455, (2)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, (3)Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305-2115, teyssier@umn.edu
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