GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 166
Tuesday, 24 September 2019: 8:00 AM-12:00 PM
Room 131ABC, North Building (Phoenix Convention Center)

T55. New Perspectives on Integrating Fault Zone Behavior through the Full Thickness of the Continental Lithosphere

GSA Structural Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geophysics and Geodynamics Division

 

Keith A. Klepeis, Elena A. Miranda, Joshua J. Schwartz, Laura E. Webb and Harold Stowell, Advocates
Paper #
Start Time
8:00 AM
LINKS BETWEEN SURFACE TECTONICS AND MANTLE LITHOSPHERE DEFORMATION IN THE WESTERN US CORDILLERA: CONSTRAINTS FROM MANTLE XENOLITHS (Invited Presentation)
BEHR, Whitney M., Geological Institute, Department of Earth Sciences, ETH Zürich (Swiss Federal Institute of Technology), Sonneggstrasse 5, Zurich, 8092, Switzerland
8:20 AM
IMPACT OF LARGE-SCALE FAULTING ON THE SURFACE DEFORMATION OF INDIA-EURASIA COLLISION INFERRED FROM 3-D VISCOUS MODELING (Invited Presentation)
FLESCH, Lucy M. and BISCHOFF, Sarah, Department of Earth, Atmospheric and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47906
8:40 AM
MAKING NEW PLATE BOUNDARIES: LESSONS FROM NORTHERN CALIFORNIA AND NEW ZEALAND
FURLONG, Kevin P., Department of Geosciences, Pennsylvania State University, 542 Deike Building, University Park, PA 16802
8:55 AM
SOME ARIZONA EXAMPLES OF THE VERTICAL INTEGRATION OF FAULT ZONE BEHAVIOR
DAVIS, George H., Department of Geosciences, The University of Arizona, Gould-Simpson 326, Tucson, AZ 85721 and REYNOLDS, Stephen J., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287
9:10 AM
EVIDENCE FOR AND AGAINST MID-CRUSTAL DETACHMENT HORIZONS BASED ON CA. 25 MYR OF HETEROGENEOUS TRANSPRESSION IN THE DENALI FAULT SYSTEM
WALDIEN, Trevor S.1, ROESKE, Sarah M.1, BENOWITZ, Jeffrey A.2 and STOCKLI, Daniel F.3, (1)Earth and Planetary Sciences, University California- Davis, 2119 Earth and Physical Sciences, One Shields Avenue, Davis, CA 95616, (2)Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, (3)Geological Sciences, University of Texas at Austin, Austin, TX 78712
9:25 AM
INVESTIGATING THE CONTROLS ON FAULT ZONE WIDTH BELOW THE BRITTLE-TO-DUCTILE TRANSITION
LUSK, Alexander Dmitri, Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, CAWOOD, Tarryn, Department of Earth Sciences, University of Southern California, Zumberge Hall of Science (ZHS), 3651 Trousdale Pkwy, Los Angeles, CA 90089 and PLATT, John P., Department of Earth Sciences, University of Southern California, Zumberge Hall of Science, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740
9:40 AM
INITIATION AND GROWTH OF STEEP TRANSPRESSIONAL SHEAR ZONES THROUGH A 65 KM THICK SECTION OF CONTINENTAL CRUST IN SW NEW ZEALAND
KLEPEIS, Keith A.1, SCHWARTZ, Joshua J.2, MIRANDA, Elena A.3, WEBB, Laura E.4, STOWELL, Harold H.5 and LINDQUIST, Peter1, (1)Department of Geology, University of Vermont, Trinity Campus, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, (2)Department of Geological Sciences, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330, (3)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St., Northridge, CA 91330, (4)Geology, University of Vermont, 180 Colchester Ave., Burlington, VT 05405, (5)Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487
9:55 AM
A NW-TRENDING TRANS-LITHOSPHERIC SHEAR ZONE CUTTING THROUGH THE USA MIDCONTINENT, AS REVEALED BY MAGNETOTELLURIC (MT) IMAGING
DELUCIA, Michael S., Department of Geology, University of Illinois at Urbana-Champaign, 3081 Natural History Building, 1301 W. Green St., Urbana, IL 61801, MARSHAK, Stephen, Dept. of Geology, Univ. of Illinois, 1301 W. Green St, Urbana, IL 61801, MURPHY, Benjamin S., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Administration Building, Corvallis, OR 97331-5503 and EGBERT, Gary, College of Earth, Oceanic and Atmospheric Sciences, Oregon State University, 104 COAS Admin. Bldg, Corvallis, OR 97331-5503
 
10:10 AM
Discussion
 
10:15 AM
Break
10:30 AM
LINKING GRAIN- TO PLATE-SCALE DEFORMATION AND KINEMATICS THROUGH ANALYSIS OF MICRO-ROTATIONS IN POLYPHASE SHEAR ZONES (Invited Presentation)
KRUCKENBERG, Seth C., Department of Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467 and MICHELS, Zachary D., School of Earth and Environmental Sciences, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455
10:50 AM
FORMATION OF THE STRONG WHIPPLE DETACHMENT FAULT, CALIFORNIA, IN THE BRITTLE-PLASTIC TRANSITION
AXEN, Gary, Department of Earth & Environmental Science, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801
11:05 AM
DATING DEFORMATION, EXHUMATION, AND FLUID-ROCK INTERACTIONS IN FAULT SYSTEMS USING APATITE U-PB AND TRACE ELEMENT LA-ICP-MS ANALYSIS
ODLUM, Margaret, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712 and STOCKLI, Daniel F., Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712
11:20 AM
THE IMPACT OF PRECIPITATION-STRENGTHENING ON FAULT ZONE EVOLUTION IN MINERALIZING EPITHERMAL ENVIRONMENTS
CALLAHAN, Owen A., Bureau of Economic Geology, The University of Texas at Austin, Austin, TX 78712, EICHHUBL, Peter, Bureau of Economic Geology, The University of Texas at Austin, Austin, TX 78758 and DAVATZES, Nicholas C., Earth and Environmental Science, Temple University, Beury Hall, 1901 N. 13th Street, Philadelphia, PA 19122
11:35 AM
EVOLUTION OF A DUCTILE-TO-BRITTLE FAULT IN AN ACCRETIONARY COMPLEX, SOUTHERN ALASKA
NADIN, Elisabeth S. and YAKIMOVA, Veselina, Department of Geosciences, University of Alaska Fairbanks, 1930 Yukon Dr, Fairbanks, AK 99775
 
11:50 AM
Concluding Remarks
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