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2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 147
Tuesday, 29 October 2002: 8:00 AM-12:00 PM

T115. Geometry, Kinematics, and Vorticity of High-Strain Zones

GSA Structural Geology and Tectonics Division

 

Christopher M. Bailey, Dazhi Jiang and Andy Bobyarchick, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:15 AM
CONCEPTS OF VORTICITY IN REGIONAL SHEAR ZONES
BOBYARCHICK, Andy R., Geography and Earth Sciences, UNC Charlotte, 9201 University City Blvd, Charlotte, NC 28223, arbobyar@email.uncc.edu, arbobyar@email.uncc.edu
2
8:30 AM
MIDCRUST KINEMATICS AND VORTICITY IN THE ZHANGBALING TRANSPRESSION BELT, SE CHINA
ZHANG, Qing1, TEYSSIER, Christian1, ZHU, Guang2 and DUNLAP, William J.3, (1)Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, (2)Geology, Hefei Univ of Technology, Huang shan Road, Hefei, 230009, China, (3)Australian National Univ, Research School Earth Sciences, Canberra, ACT 0200, Australia, zhan0174@umn.edu, zhan0174@umn.edu
3
8:45 AM
THE BRINDLE CREEK THRUST: A MAJOR FAULT AND TERRANE BOUNDARY IN THE SOUTHERN APPALACHIAN INNER PIEDMONT, NORTH CAROLINA-SOUTH CAROLINA-GEORGIA
MERSCHAT, Arthur J., HATCHER Jr, Robert D. and BREAM, Brendan R., Department of Geological Sciences, Univ of Tennessee, 306 Geology Building, Knoxville, TN 37996-1410, ARTHURMERSCHAT@HOTMAIL.COM, ARTHURMERSCHAT@HOTMAIL.COM
4
9:00 AM
STRAIN, DEFORMATION TEMPERATURES AND VORTICITY OF FLOW AT THE TOP OF THE HIGH HIMALAYAN SLAB, EVEREST MASSIF, TIBET
LAW, R.D.1, SEARLE, M.P.2 and SIMPSON, R.L.2, (1)Geological Sciences, Virginia Tech, Blacksburg, VA 24061, (2)Earth Sciences, Oxford University, Oxford, United Kingdom, rdlaw@vt.edu, rdlaw@vt.edu
5
9:15 AM
GENERAL SHEAR IN CONTRACTIONAL, EXTENSIONAL, AND TRANSPRESSIONAL HIGH-STRAIN ZONES
BAILEY, Christopher M., FRANCIS, Barbara and FAHRNEY, Eleanor E., Dept. of Geology, College of William & Mary, Box 8795, Williamsburg, VA 23187, cmbail@wm.edu, cmbail@wm.edu
6
9:30 AM
TRANSITION FROM STRAIN PARTITIONING TO GENERAL SHEAR IN ULTRAMYLONITES BELOW THE BRITTLE-DUCTILE TRANSITION
SIMPSON, Carol, Earth Sciences, Boston Univ, 685 Commonwealth Ave, Boston, MA 02215-1406 and WHITMEYER, Steven J., Boston Univ, 685 Commonwealth Ave, Boston, MA 02215-1406, csimpson@bu.edu, csimpson@bu.edu
7
9:45 AM
KINEMATIC EVOLUTION OF LOWER AND MIDDLE CRUSTAL SHEAR ZONES DURING OROGENIC COLLAPSE
SIMONSON, W.C.1, KLEPEIS, K.A.1 and CLAYPOOL, A.L.2, (1)Dept. of Geology, Univ of Vermont, Perkins Hall, Burlington, VT 05405-0122, (2)Department of Geology, Univ of Vermont, Perkins Hall, Burlington, VT 05405-0122, wsimonso@zoo.uvm.edu, wsimonso@zoo.uvm.edu
 
10:00 AM
Break
8
10:15 AM
THE SIGNIFICANCE OF NON-STEADY-STATE PROGRESSIVE DEFORMATION FOR THE KINEMATIC INTERPRETATION OF SHEAR ZONES
JIANG, Dazhi, Department of Geology, Univ of Maryland, College Park, MD 20742, dzjiang@geol.umd.edu, dzjiang@geol.umd.edu
9
10:30 AM
NON-STEADY BOUNDARY CONDITIONS AND THE EFFECTS OF TECTONIC ENVIRONMENT ON THE EVOLUTION OF HIGH STRAIN ZONES
KLEPEIS, Keith, SIMONSON, W. Corey and MARCOTTE, Stephen, Geology, Univ of Vermont, Burlington, VT 05405, kklepeis@zoo.uvm.edu, kklepeis@zoo.uvm.edu
10
10:45 AM
KINEMATIC EVOLUTION OF THE GOD'S LAKE NARROWS SHEAR ZONE IN THE NORTHWESTERN SUPERIOR PROVINCE, CANADA: EVIDENCE FOR SLIP PARTITIONING AND NON-STEADY-STATE DEFORMATION
LIN, Shoufa, Department of Earth Sciences, Univ of Waterloo, Waterloo, ON N2L 3G1, Canada, shoufa@uwaterloo.ca, shoufa@uwaterloo.ca
11
11:00 AM
APPLICATION OF A 3D NUMERICAL MODEL OF RIGID CLAST ROTATION IN TRANSPRESSION TO THE WESTERN IDAHO SHEAR ZONE, IDAHO
GIORGIS, Scott and TIKOFF, Basil, Geology & Geophysics, Univ of Wisconsin-Madison, 1214 W. Dayton St, Madison, WI 53706, scott@geology.wisc.edu, scott@geology.wisc.edu
12
11:15 AM
THREE-DIMENSIONAL PURE SHEAR DURING TRANSPRESSION: THE EFFECT OF CRETACEOUS PLUTONISM ON REGIONAL STRAIN FIELDS IN THE SIERRA NEVADA BATHOLITH, CALIFORNIA
ALBERTZ, Markus, Department of Earth Sciences, Univ of Southern California, 3651 Trousdale Avenue, SCI 117, Los Angeles, CA 90089 and PATERSON, Scott R., Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, albertz@usc.edu, albertz@usc.edu
13
11:30 AM
THE DRAG OF MARKERS NEAR SHEAR ZONES AND THEIR KINEMATIC INTERPRETATION
GRASEMANN, Bernhard and WIESMAYR, Gerhard, Univ Vienna, Althanstrasse 14, Vienna, A-1090, Austria, bernhard.grasemann@univie.ac.at, bernhard.grasemann@univie.ac.at
14
11:45 AM
FABRIC, KINEMATICS AND FINITE STRAIN
WILLIAMS, Paul F., Dept. of Geology, Univ of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada, pfw@unb.ca, pfw@unb.ca
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