CALL FOR PROPOSALS:

ORGANIZERS

  • Harvey Thorleifson, Chair
    Minnesota Geological Survey
  • Carrie Jennings, Vice Chair
    Minnesota Geological Survey
  • David Bush, Technical Program Chair
    University of West Georgia
  • Jim Miller, Field Trip Chair
    University of Minnesota Duluth
  • Curtis M. Hudak, Sponsorship Chair
    Foth Infrastructure & Environment, LLC

 

Session No. 271
Wednesday, 12 October 2011: 1:30 PM-5:30 PM
Room 200DE (Minneapolis Convention Center)

T21. Constraints on Strain Rates, Stresses, and Deformation Processes During Shear Zone Localization at Different Lithospheric Levels

GSA Structural Geology and Tectonics Division; GSA Geophysics Division

 

Julie Newman, Basil Tikoff and Seth C. Kruckenberg, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:45 PM
USING HETEROGENEOUS QUARTZ CPO DATA TO INTERPRET THE DEFORMATION HISTORY OF A SHEAR ZONE AT THE BASE OF THE SEISMOGENIC ZONE
PRICE, Nancy A., School of Earth and Climate Sciences, University of Maine, 5790 Bryand Global Sciences, Orono, ME 04469, JOHNSON, Scott E., Department of Earth Sciences, University of Maine, 5790 Bryand Global Sciences, Orono, ME 04469 and GERBI, Christopher C., Earth Sciences, University of Maine, Orono, ME 04469, nancy.price@umit.maine.edu, nancy.price@umit.maine.edu
2
2:00 PM
CONSTITUTIVE BEHAVIOR OF GRANITIC ROCK WITHIN A CONTRACTIONAL FAULT STEP AT THE BRITTLE-DUCTILE TRANSITION
NEVITT, Johanna M.1, POLLARD, David D.1 and WARREN, Jessica M.2, (1)Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, (2)Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, jmnevitt@stanford.edu, jmnevitt@stanford.edu
3
2:15 PM
QUANTIFYING THE RELATIONSHIPS BETWEEN GEOCHEMICAL AND MICROTEXTURAL CHANGES ACROSS SMALL-SCALE GRANITIC SHEAR ZONES
DEVASTO, Michael, A., Geosciences, UW-Milwaukee, Milwaukee, WI 53201, CZECK, Dyanna M., Geosciences, University of Wisconsin - Milwaukee, P.O. Box 413, Milwaukee, WI 53201 and BHATTACHARYYA, Prajukti, Geography and Geology, University of Wisconsin - Whitewater, 120 Upham Hall, 800 Main Street, Whitewater, WI 53190, mdevasto@uwm.edu, mdevasto@uwm.edu
4
2:30 PM
HOW SENSITIVE ARE RIGID GRAINS TO CHANGING FLOW VORTICITY?
STAHR III, Donald W., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 and LAW, Richard D., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, dstahr@vt.edu, dstahr@vt.edu
5
2:45 PM
MICROSTRUCTURAL AND ELECTRON BACKSCATTER DIFFRACTION EVIDENCE FOR PORPHYROBLAST ROTATION DURING NON-COAXIAL FLOW
FRIEMAN, Ben M., JOHNSON, Scott E. and GERBI, Christopher, Department of Earth Sciences, University of Maine, 5790 Bryand Global Sciences, Orono, ME 04469, ben.frieman@maine.edu, ben.frieman@maine.edu
 
3:00 PM
Discussion
6
3:15 PM
THERMOMECHANICS OF A METAMORPHIC CORE COMPLEX: RAFT RIVER MOUNTAINS (NW UTAH)
GOTTARDI, Raphaël, TEYSSIER, Christian and SEATON, Nicholas, Earth Sciences, University of Minnesota, Minneapolis, MN 55455, gotta004@umn.edu, gotta004@umn.edu
7
3:30 PM
ORIGIN OF THE CALCARE CAVERNOSO AND THE ABSENCE OF TECTONIC FABRIC IN A SHEAR ZONE; ALPI APUANE METAMORPHIC CORE COMPLEX, ITALY
CASALE, Gabriele M., Earth and Space Sciences, University of Washington, Box 351310, Seattle, WA 98195-1310, casale@uw.edu, casale@uw.edu
 
3:45 PM
Break
8
4:00 PM
TEMPERATURES AND FLUIDS ON FAULTS BASED ON CARBONATE CLUMPED–ISOTOPE THERMOMETRY
SWANSON, Erika M., Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, 1200 E. California Blvd, Pasadena, CA 91125, WERNICKE, Brian P., Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, Pasadena, CA 91125, EILER, John M., Division of Geology and Planetary Sciences, California Institute of Technology, MC 170-25, 1200 E. California Blvd, Pasadena, CA 91125 and LOSH, Steven, Dept. of Chemistry and Geology, Minnesota State University, Mankato, MN 56001, eswanson@caltech.edu, eswanson@caltech.edu
9
4:15 PM
MULTIPLE PALEOSTRESS AND STRAIN-RATE GRADIENTS ABUTTING THE GREATER HIMALAYAN SERIES: INSIGHTS FROM THE SOUTH TIBETAN DETACHMENT SYSTEM, SOUTHERN TIBET, AND THE MAIN CENTRAL THRUST, NW INDIA
FRANCSIS, Matthew K. and LAW, Richard D., Virginia Polytechnic Institute and State University, Department of Geosciences, Blacksburg, VA 24061, francsis@vt.edu, francsis@vt.edu
10
4:30 PM
SEISMIC ANISOTROPY AND FINITE STRAIN IN AMPHIBOLITE FROM THE DEEP UNDERGROUND SCIENCE AND ENGINEERING LAB, LEAD, SOUTH DAKOTA, USA
KOCH, Leah Jean, South Dakota School of Mines and Technology, 501 E St. Joseph St, Rapid City, SD 57701 and TERRY, Michael P., Department of Geology and Geological Engineering, South Dakota School of Mines & Technology, Rapid City, SD 57701, Leah.Koch@mines.sdsmt.edu, Leah.Koch@mines.sdsmt.edu
11
4:45 PM
AN EXAMPLE OF HETEROGENEOUS DEFORMATION AND STRAIN PARTITIONING APPLIED TO CRUSTAL FLOW AND EXHUMATION OF HP AND UHP ROCKS, BLACK HILLS SD, USA
TERRY, Michael P., Department of Geology and Geological Engineering, South Dakota School of Mines & Technology, Rapid City, SD 57701, Michael.Terry@sdsmt.edu, Michael.Terry@sdsmt.edu
12
5:00 PM
STRAIN LOCALIZATION IN OLIVINE AGGREGATES AT HIGH TEMPERATURE: A LABORATORY COMPARISON OF CONSTANT-STRAIN-RATE AND CONSTANT-STRESS BOUNDARY CONDITIONS
HANSEN, Lars, ZIMMERMAN, Mark, DILLMAN, Amanda and KOHLSTEDT, David, Department of Earth Science, University of Minnesota, 310 Pillsbury Dr SE Ste 108, Minneapolis, MN 55455, hanse983@umn.edu, hanse983@umn.edu
 
5:15 PM
Concluding Remarks
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