2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM

Session No. 322
Wednesday, 8 October 2008: 1:30 PM-5:30 PM

T83. Mid- to Lower Crustal Deformation Processes: Strain, Kinematics and Relationships to Upper Crustal Structures

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; Gulf Coast Association of Geological Societies

 

Sharon Mosher and Richard D. Law, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
Kinematic Coupling Between Hinterland and Foreland Deformation In Convergent Orogens
LAW, R.D., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, THIGPEN, J. Ryan, BP America, Houston, TX 77077, COOK, B., Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506 and SEARLE, Micheal P., Department of Earth Sciences, Oxford University, Parks Road, Oxford, OX1 3PR, rdlaw@vt.edu, rdlaw@vt.edu
2
1:55 PM
Kinematic Coupling Between Hinterland and Foreland Deformation In the Northern Moine Thrust Zone, NW Scotland
THIGPEN, J. Ryan, Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, LAW, Richard D., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, LLOYD, Geoffrey E., School of Earth and Environment, Leeds University, Leeds, LS2 9JT, United Kingdom and BUTLER, Robert W.H., Geology and Petroleum Geology, School of Geosciences, University of Aberdeen, Meston Building, King's College, Aberdeen, AB24 3UE, United Kingdom, thigpe05@vt.edu, thigpe05@vt.edu
3
2:10 PM
Tracking Lower-to-Mid-to-Upper Crustal Deformation Processes through Time and Space through Three Paleozoic Orogenies in the Southern Appalachians Using Dated Metamorphic Assemblages and Faults
HATCHER Jr, Robert D., Earth and Planetary Sciences and Science Alliance Center of Excellence, University of Tennessee-Knoxville, Knoxville, TN 37996-1410, bobmap@utk.edu, bobmap@utk.edu
4
2:25 PM
Estimates of Strain Rates and Strain-Related Crustal Thickening from the Alisitos Arc-Continent Collision Zone, Peninsular Ranges, Baja California, Mexico
ALSLEBEN, Helge, Department of Geology, Texas Christian University, TCU Box 298830, Fort Worth, TX 76129, WETMORE, Paul, Dept. of Geology, University of South Florida, 4202 East Fowler Ave., SCA 528, Tampa, FL 33620, SCHMIDT, Keegan, Natural Sciences Division, Lewis-Clark State College, 500 8th Ave, Lewiston, ID 83501 and PATERSON, Scott, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, h.alsleben@tcu.edu, h.alsleben@tcu.edu
5
2:40 PM
Field Investigations of Strain Partitioning and Multi-Phase Deformation in the Chugach Metamorphic Complex, Southern Alaska
SCHARMAN, Mitchell R., DAY, Erik M. and PAVLIS, Terry, Geological Sciences, University of Texas at El Paso, El Paso, TX 79968, mrscharman@miners.utep.edu, mrscharman@miners.utep.edu
 
2:55 PM
Break
6
3:10 PM
Deformation from the Bottom up – a Case for Biaxial Extension
MOSHER, Sharon, Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 1 University Station C1100, Austin, TX 78712-0254, mosher@mail.utexas.edu, mosher@mail.utexas.edu
7
3:30 PM
Mid-Crustal Strain in the Footwall of the Pioneer Core Complex, Idaho: New Working Models for Testing the Extent of Coupling with the Upper Crust
VOGL, James J., Department of Geology, Univ of Florida, Gainesville, FL 32611, jvogl@geology.ufl.edu, jvogl@geology.ufl.edu
8
3:45 PM
Crustal Thinning, Fluid Flow, and the Preservation of a High Transient Geotherm in the Raft River Detachment, NW Utah
GOTTARDI, Raphaël1, TEYSSIER, Christian2, MULCH, Andreas3 and SEATON, Nicholas1, (1)Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455, (2)Geology and Geophysics, Univ of Minnesota, Minneapolis, MN 55455, (3)Institute of Geology, Universität Hannover, Callinstr. 30, Hannover, 30167, Germany, raphaelgottardi@hotmail.fr, raphaelgottardi@hotmail.fr
9
4:00 PM
Withdrawn
10
4:15 PM
Three-Dimensional Finite Strain and Kinematics of Flow from a Lower Crustal Extensional Shear Zone: Fiordland, New Zealand
BETKA, Paul, Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78722, KLEPEIS, Keith, Geology, Univ of Vermont, Burlington, VT 05405, DE PAOLI, Matthew, Geosciences, University of Sydney, Sydney, 2006, Australia and CLARKE, Geoffrey, School of Geosciences, University of Sydney, Madsen Blg. F09, Sydney, 2006, Australia, pmbetka@utexas.edu, pmbetka@utexas.edu
11
4:30 PM
Evidence from the Fosdick Mountains, Antarctica for Rapid Cooling of Mid- to Lower Crustal Rocks during Cretaceous Intracontinental Extension of the East Gondwana Margin
MCFADDEN, Rory, Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, TEYSSIER, Christian, Department of Geology and Geophysics, Univ of Minnesota, Minneapolis, MN 55455, SIDDOWAY, Christine S., Geology Department, Colorado College, Colorado Springs, CO 80903 and COSCA, M.a., USGS, Box 25046, Denver, CO 80225-0046, mcfad031@umn.edu, mcfad031@umn.edu
12
4:45 PM
Kinematic Constraints within a Deep Crustal, Granulite Facies, Normal Shear Zone: Mt. Hay Block, Central Australia
WATERS-TORMEY, Cheryl, Geosciences and Natural Resources, Western Carolina University, 331 Stillwell Building, Cullowhee, NC 28723, cherylwt@wcu.edu, cherylwt@wcu.edu
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