2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 138
Tuesday, 30 October 2007: 8:00 AM-12:00 PM

T107. Recognition and Implications of Coseismic Fault-Zone Structures II

GSA Structural Geology and Tectonics Division; GSA Geophysics Division

 

Laurel B. Goodwin and James P. Evans, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:15 AM
FAULT ZONE STRUCTURE AND STRENGTH DURING COSEISMIC AND SLOW SLIP IN LABORATORY EXPERIMENTS
GOLDSBY, David L., Geological Sciences, Brown University, 324 Brook Street, Box 1846, Providence, RI 02912, David_Goldsby@brown.edu, David_Goldsby@brown.edu
2
8:35 AM
WHAT ARE THE CONNECTIONS BETWEEN IDEALIZED MODELS OF DYNAMIC WEAKENING AND FAULT-ZONE STRUCTURES?
REMPEL, Alan W., Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, rempel@uoregon.edu, rempel@uoregon.edu
3
8:55 AM
COEVAL PSEUDOTACHYLYTE AND MYLONITE IN THE GRIZZLY CREEK SHEAR ZONE, COLORADO: A RECORD OF LINKED COSEISMIC AND ASEISMIC PROCESSES IN A MID-CRUSTAL THRUST
ALLEN, Joseph L., Geology and Physical Sciences, Concord University, Campus Box 19, Athens, WV 24712 and SHAW, Colin A., Department of Earth Sciences, Montana State University, 200 Traphagen Hall, P.O. Box 173480, Bozeman, MT 59717, allenj@concord.edu, allenj@concord.edu
4
9:10 AM
PSEUDOTACHYLYTES IN FAULTS OF THE MT. ABBOT QUADRANGLE, SIERRA NEVADA: IMPLICATIONS FOR SEISMIC SLIP
GRIFFITH, W. Ashley, Earth and Environmental Sciences, University of Texas at Arlington, Geoscience Building Room 107, 500 Yates St. Box 19049, Arlington, TX 76019, REMPE, Marieke, Dipartimento di Geoscienze, Universita' di Padova, via G. Gradenigo, 6, Padova, 35137, Italy, PENNACCHIONI, Giorgio, Geologia, Paleontologia e Geofisica, Universita' di Padova, Via Giotto 1, Padova, 35137, Italy and POLLARD, David, Geological & Environmental Sciences, Stanford Univ, 450 Serra Mall, Building 320, Stanford, CA 94305, wagriff@uta.edu, wagriff@uta.edu
5
9:25 AM
PALEONANOQUAKES THROUGH PALEOMEGAQUAKES—FRICTION MELTING FEATURES WITHIN FAULT ZONES ACROSS FIVE ORDERS OF MAGNITUDE IN THICKNESS
MAGLOUGHLIN, J.F., Department of Geosciences, Colorado State University, Fort Collins, CO 80523, jerrym@cnr.colostate.edu, jerrym@cnr.colostate.edu
6
9:40 AM
UNRAVELING SEISMIC DEFORMATION IN EXHUMED SUBDUCTION THRUSTS: THE ULTRAFINE-GRAINED FAULT ROCKS OF PASAGSHAK POINT, KODIAK ISLAND, AK
MENEGHINI, Francesca, Earth Science Department, University of Pisa, via S. Maria, 53, Pisa, 56126, Italy, REMPE, Marieke, Dipartimento di Geoscienze, Universita' di Padova, via G. Gradenigo, 6, Padova, 35137, Italy, MOORE, Casey, Earth & Planetary Sciences Department, University of California Santa Cruz, Earth and Marine Sciences Building, Santa Cruz, CA 95064, ROWE, Christine, Geological Sciences Department, University of Cape Town, Cape Town, CA 7701, South Africa, TSUTSUMI, Akito, Department of Geology & Mineralogy, Kyoto University, Kyoto, 606 8502, Japan and YAMAGUCHI, Asuka, Department of Earth and Planetary Science, University of Tokyo, Tokyo, 113 0033, Japan, meneghini@dst.unipi.it, meneghini@dst.unipi.it
 
9:55 AM
Break
7
10:10 AM
FLUID FLUX AND PERMEABILITY ALONG THE ROOF THRUST OF THE MÉLANGE ZONE IN A GEOLOGICAL TIME SCALE: AN EXAMPLE FROM THE FOSSIL SEISMOGENIC THRUST OF MUGI MÉLANGE, THE CRETACEOUS SHIMANTO BELT, SW JAPAN
HASHIMOTO, Yoshitaka, Dept. of Geology & Geophysics, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706 and NIKAIZO, Akira, Dept. of Natural Environmental Science, Kochi University, Akebonocyo 2-5-1, Kochi, 780-8520, Japan, whassyw@mac.com, whassyw@mac.com
8
10:25 AM
RATE CONSTRAINTS ON FAULT CEMENTATION BASED ON WELL SCALES
BOLES, James R., Earth Science, University of California @ Santa Barbara, Webb Hall, Santa Barbara, CA 93117, GILES, Grace F., Houston, TX 93117 and CAMACHO, Hilario, Signal Hill Petroleum, Long Beach, CA 90806, boles@geol.ucsb.edu, boles@geol.ucsb.edu
9
10:40 AM
FAULT-ZONE ARCHITECTURE OF SMALL- DISPLACEMENT OBLIQUE-SLIP FAULTS ADJACENT TO THE SAN JACINTO FAULT, BORREGO MOUNTAIN, CALIFORNIA, USA
NEMSER, Eliza S., Earth and Space Sciences, Univ of Washington, Box 351310, 63 Johnson Hall, Seattle, WA 98195-1310, enemser@u.washington.edu, enemser@u.washington.edu
10
10:55 AM
A“HIDDEN” FAULT? STRUCTURAL GEOLOGY OF THREE SEGMENTS OF THE CLARK FAULT, SAN JACINTO FAULT ZONE, CALIFORNIA:
BELGARDE, Benjamin E. and JANECKE, Susanne U., Geology, Utah State University, 4505 Old Main Hill, Utah State University, Logan, UT 84322-4505, belgardes@hotmail.com, belgardes@hotmail.com
11
11:10 AM
ASSESSING THE LONG-TERM DISPLACEMENT FIELD ASSOCIATED WITH DEFORMATION OF THE BORDERLANDS OF THE SAN ANDREAS FAULT, DURMID HILL, CA
WOJTAL, Steven F., Department of Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074, steven.wojtal@oberlin.edu, steven.wojtal@oberlin.edu
12
11:25 AM
MINERALOGIC AND TEXTURAL ANALYSIS OF FAULT-RELATED ROCKS AT DEPTH: ANALYSIS OF SAFOD ROCKS AND THE TOP OF THE SEISMOGENIC ZONE
EVANS, James P.1, BRADBURY, Kelly E.1, DRAPER, Sarah D.1, BARTON, D. Corey1 and SOLUM, John G.2, (1)Dept of Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322-4505, (2)Geography and Geology, Sam Houston State University, Campus box 2148, Huntsville, TX 77341, jpevans@usu.edu, jpevans@usu.edu
 
11:40 AM
Discussion
See more of: Technical Sessions