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. 263
Tuesday, 7 October 2008: 1:30 PM-5:30 PM

P4. Large Scale Continental Deformation at Plate Boundaries

GSA Structural Geology and Tectonics Division

 

Lucy M. Flesch and Nathan Niemi, Conveners
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
The EarthScope Plate Boundary Observatory Unified Geodetic Network
MILLER, M. Meghan, President, UNAVCO, 6350 Nautilus Drive, Boulder, CO 80301 and JACKSON, Michael, UNAVCO, 6350 Nautilus Drive, Boulder, CO 80301, meghan@unavco.org, meghan@unavco.org
2
1:55 PM
The EarthScope Rio Grande Rift GPS Experiment: Measuring Active Tectonics in Colorado and New Mexico
SHEEHAN, Anne, Geological Sciences and CIRES, University of Colorado at Boulder, UCB 399, Boulder, CO 80309-0399, BERGLUND, Henry T., UNAVCO, Inc, 6350 Nautilus Dr, Boulder, CO 80309, ROY, Mousumi, Department of Earth and Planetary Sciences, University of New Mexico, MSCO3-2040, 1 University of New Mexico, Albuquerque, NM 87131-0001, LOWRY, Anthony, Department of Geology, Utah State University, Logan, UT 84322, NEREM, R. Steven, Department of Aerospace Engineering Sciences, University of Colorado at Boulder, Boulder, CO 80309, BLUME, Frederick, UNAVCO, Boulder, CO 80301 and SZELIGA, Walter, Geological Sciences and CIRES, University of Colorado at Boulder, UCB 399, Boulder, CO 80309, afs@cires.colorado.edu, afs@cires.colorado.edu
3
2:15 PM
Contemporary Deformation of the Basin and Range Lithosphere from GPS Observations, and What They Imply for Continental Dynamics
HAMMOND, William Charles1, BLEWITT, Geoff2 and KREEMER, Corné2, (1)Nevada Geodetic Laboratory, Nevada Bureau of Mines and Geology, University of Nevada, Reno, Reno, NV 89557, (2)Nevada Geodetic Laboratory, Nevada Bureau of Mines and Geology and Nevada Seismological Laboratory, University of Nevada, Reno, Reno, NV 89557, whammond@unr.edu, whammond@unr.edu
4
2:35 PM
Crustal Rotation and Deformation In the Snake River Plain and Northern Basin and Range Province
PAYNE, Suzette J., Geosciences, Idaho National Laboratory, P.O. Box 1625, Idaho Falls, ID 83415-2025, KING, Robert W., EAPS, Massachusetts Institute of Technology, Cambridge, MA 02139 and MCCAFFREY, Robert, GNS Science, PO Box 30368, Lower Hutt, New Zealand, Suzette.Payne@inl.gov, Suzette.Payne@inl.gov
5
2:55 PM
Effects of the Yellowstone Hotspot and Mantle Plume on the Western U.S
SMITH, Robert1, PUSKAS, Christine1, FARRELL, Jamie1, CHANG, Wulung1, STEINBERGER, Bernhard2 and O?CONNELL, Richard3, (1)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, (2)Helmholtz Centre Potsdam, GFZ, Potsdam, 14473, Germany, (3)Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, r.smith@earth.utah.edu, r.smith@earth.utah.edu
 
3:15 PM
Break
6
3:30 PM
Pace and Tempo of Deformation in Eastern California Over the Past 3 Ma: Implications for the Geodynamic Evolution of Right-Lateral Shear along the Western Margin of the Basin and Range
KIRBY, Eric, Department of Geoscience, Penn State Univ, University Park, PA 16802, WALKER, J. Douglas, Department of Geology, University of Kansas, Lawrence, KS 66045, REHEIS, Marith, U.S. Geological Survey, Box 25046, MS 980, Denver Federal Center, Denver, CO 80225, PHILLIPS, Fred, Earth and Environmental Science Department, New Mexico Institute of Mining and Technology, Socorro, NM 87801 and BURBANK, Doug, Department of Earth Science, University of California, Santa Barbara, CA 93106, ekirby@geosc.psu.edu, ekirby@geosc.psu.edu
7
3:50 PM
Insights on Lithospheric Delamination from the Sierra Nevada Earthscope Project (SNEP)
ZANDT, George, Department of Geosciences, University of Arizona, Tucson, AZ 85721, GILBERT, Hersh, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, JONES, Craig, Dept. of Geological Sciences, University of Colorado, CB 399, Boulder, CO 80309 and OWENS, Thomas J., Department of Geological Sciences, University of South Carolina, Columbia, SC 29208, gzandt@email.arizona.edu, gzandt@email.arizona.edu
8
4:10 PM
Imaging Large-Scale Continental Deformation across the Western United States
ALLISON, Chelsea M., School of Earth and Space Exploration, Arizona State University, P.O. Box 871404, Tempe, AZ 85287, Chelsea.Allison@asu.edu, Chelsea.Allison@asu.edu
9
4:30 PM
Present and Past Crustal Deformation in the Western United States: Why Are They Different?
LIU, Mian, Department of Geological Sciences, Univ of Missouri-Columbia, Columbia, MO 65211 and YANG, Youqing, Department of Geological Sciences, Univ of Missouri-Columbia, 101 Geology Building, Columbia, MO 65211, lium@missouri.edu, lium@missouri.edu
10
4:50 PM
North America Dynamics and Western U.S. Tectonics
HUMPHREYS, Eugene D., Geological Sciences, University of Oregon, Eugene, OR 97403, genehumphreys@gmail.com, genehumphreys@gmail.com
 
5:10 PM
Discussion