2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 2
Sunday, 19 October 2014: 8:00 AM-12:00 PM
118 (Vancouver Convention Centre-West)

T1. The Structure of Faults from Top to Bottom: Implication for Fluid Flow, Ore Deposits, and Seismic Hazard I

GSA Structural Geology and Tectonics Division; GSA Geophysics Division
W. Ashley Griffith, Christie D. Rowe and Joseph Clancy White, Advocates
Paper #
Start Time
2-1
8:00 AM
FORMATION AND EVOLUTION OF DAMAGE ZONES ALONG UPPER-CRUSTAL FAULTS
CHESTER, Judith S., Department of Geology and Geophysics, Texas A&M University, College Station, TX 77845, chesterj@tamu.edu
2-2
8:20 AM
BEDROCK GEOLOGY, INTERNAL STRUCTURE, KINEMATICS, AND CARBONACEOUS FAULT ROCKS OF THE DENALI FAULT ZONE AT TELLURIDE AND KIMBERLEY CREEKS, SOUTHWEST YUKON, CANADA
CAINE, Jonathan Saul, U.S. Geological Survey, Box 25046, DFC, MS 964, Denver, CO 80225-0046, MURPHY, Donald C., Yukon Geological Survey, P.O. Box 2703 (K-10), Whitehorse, YT Y1A 2C6, Canada and ISRAEL, Steve A., Yukon Geological Survey, 2099 2nd Ave, Whitehorse, YT Y1A 2C6, Canada, jscaine@usgs.gov
2-3
8:35 AM
2-4
8:50 AM
EVOLVING EFFICIENCY OF SEGMENTED STRIKE-SLIP FAULT SYSTEMS
MADDEN, Elizabeth H., Department of Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003, COOKE, Michele L., Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297 and MCBECK, Jessica A., Department of Geosciences, University of Massachusetts Amherst, 611 North Pleasant St, Amherst, MA 01003, ehmadden@geo.umass.edu
2-5
9:05 AM
INTERACTIONS BETWEEN GROWING EXTENSIONAL FAULTS AND PRE-EXISTING DISCONTINUITIES: IMPLICATIONS ON SURFACE EFFECTS AND SEISMIC HAZARD STUDIES
SENO, Silvio1, BONINI, Lorenzo2, BASILI, Roberto3, TOSCANI, Giovanni2, BURRATO, Pierfrancesco3 and VALENSISE, Gianluca3, (1)University of Pavia, Department of Earth and Environmental Sciences, Via Ferrata, 1, Pavia, 6900, Italy, (2)University of Pavia, Department of Earth and environmental Sciences, Via Ferrata, 1, Pavia, 6900, Italy, (3)Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata, 605, Roma, 00143, Italy, silvio.seno@unipv.it
2-6
9:20 AM
STRONG DOLOMITE BEDS CONTROL THE LOCATION OF, AND DISPLACEMENT ALONG, FORELAND THRUST FAULTS OF THE SOUTHERN APPALACHIANS
WELLS, Rachel, Department of Geology and Geophysics, Texas A&M University, College Station, TX 77843, WOJTAL, Steven F., Department of Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074 and NEWMAN, Julie, Geology and Geophysics, Texas A&M University, College Station, TX 77843, rwells25@tamu.edu
2-7
9:35 AM
CORA LAKE SHEAR ZONE PSEUDOTACHYLYTES: DEEP RUPTURE OF A INTRAPLATE STRIKE-SLIP CRUSTAL FAULT AND IMPLICATIONS FOR SEISMOLOGY OF EARTHQUAKES
ORLANDINI, Omero F., Geological Sciences, University of Colorado, Boulder, University of Colorado Boulder Geological Sciences UCB 399 2200 Colorado Ave, Boulder, CO 80309-0399, MAHAN, Kevin, Geological Sciences, University of Colorado, Campus Box 399, 2200 Colorado Ave, Boulder, CO 80309, MUELLER, Karl, Department of Geological Sciences, University of Colorado, 2200 Colorado Blvd, Boulder, CO 80309, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003 and REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant St, Amherst, MA 01003, orlandin@colorado.edu
 
9:50 AM
Break
2-8
10:05 AM
CONSTRAINTS ON THE MANTLE STRENGTH OF THE SAN ANDREAS FAULT SYSTEM: IMPLICATIONS FOR RHEOLOGIC MODELS
TIKOFF, Basil1, CHATZARAS, Vasileios1, NEWMAN, Julie2, WITHERS, Anthony C.3 and DRURY, Martyn4, (1)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, (2)Geology and Geophysics, Texas A&M University, College Station, TX 77843, (3)Geological Sciences, Western University, 1151 Richmond Street N, Biological & Geological Sciences Building, London, ON N6A 5B7, Canada, (4)Department of Earth Sciences, Utrecht University, Postbus 80021, Utrecht, 3508 TA, Netherlands, basil@geology.wisc.edu
2-9
10:25 AM
SEISMIC SLIP AND ASEISMIC CREEP ON MAJOR FAULT SYSTEMS OF THE EASTERN ALPS RECORDED IN SHEARED FLOWSTONES
MITROVIC, Ivanka1, GRASEMANN, Bernhard1, PLAN, Lukas2 and BARON, Ivo2, (1)Department of Geodynamics and Sedimentology, University of Vienna, Althanstrasse, 14, Vienna, 1090, Austria, (2)Cave and Karst Group, Natural History Museum Vienna, Museumsplatz 1/10, Vienna, 1070, Austria, ivanka.mitrovic@univie.ac.at
10:40 AM
COSEISMIC DEFORMATION CONDITIONS: EVIDENCE FROM PSEUDOTACHYLYTE IN THE OUTER HEBRIDES FAULT ZONE, NW SCOTLAND
CAMPBELL, Lucy R.1, LLOYD, Geoffrey E.1, PHILLIPS, Richard J.1, HOLDSWORTH, Robert E.2 and WALCOTT, Rachel C.3, (1)School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom, (2)Dept of Earth Sciences, Durham University, South Road, Durham, DH1 3LE, United Kingdom, (3)National Museums Scotland, Chambers Street, Edinburgh, EH1 1JT, United Kingdom, ee11lrc@leeds.ac.uk
10:55 AM
FRACTURE DEVELOPMENT AND FLUID EVOLUTION ACROSS A DUCTILE-TO-BRITTLE TRANSITION IN A TRANSPRESSIONAL SHEAR ZONE, EASTERN CENTRAL SIERRA NEVADA, CALIFORNIA
HARTMAN, Sean, Department of Earth Sciences, University of Southern California, 3651 Trousdale parkway, ZHS 118, Los Angeles, CA 90089-0740, HOLK, Gregory J., Department of Geological Sciences and IIRMES, California State Univ Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840 and PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740, smhartma@usc.edu
11:10 AM
EVIDENCE FOR CRACKING AND SILICA REDISTRIBUTION AT THE LOWER END OF THE SEISMOGENIC ZONE, KODIAK, ALASKA AND OTAGO, NEW ZEALAND
FISHER, Donald M., Department of Geosciences, Pennsylvania State University, University Park, PA 16802, FAGERENG, Ake, School of Earth and Ocean Sciences, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, United Kingdom and REMITTI, Francesca, Dipartimento di Scienze della Terra, University of Modena and Reggio Emilia, largo S, Eufemia, 19, Modena, 41100, Italy, dmf6@psu.edu
11:25 AM
TESTING CONSTITUTIVE EQUATIONS FOR FAULT-RELATED DEFORMATION IN THE BRITTLE-DUCTILE TRANSITION
NEVITT, Johanna M., POLLARD, David D. and WARREN, Jessica M., Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305-2115, jmnevitt@stanford.edu
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