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2003 Seattle Annual Meeting (November 2–5, 2003)

Session No. 249
Wednesday, 5 November 2003: 1:30 PM-5:30 PM

T131. Seismogenic Friction and Pseudotachylites

GSA Structural Geology and Tectonics Division; GSA Geophysics Division

 

Eric C. Ferre, Joseph L. Allen and Kieran O'Hara, Advocates
Paper #
Start Time
1
1:30 PM
BUBBLE FORMATION, COLLAPSE, AND INFILLING IN PSEUDOTACHYLYTE
MAGLOUGHLIN, Jerry F., Department of Geosciences, Colorado State Univ, Fort Collins, CO 80523, jerrym@cnr.colostate.edu, jerrym@cnr.colostate.edu
2
1:45 PM
EXPERIMENTAL EVIDENCE FOR FAULT LUBRICATION BY MELTING DURING SIMULATED COSEISMIC SLIP
SPRAY, John G., Planetary and Space Science Centre, Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, jgs@unb.ca, jgs@unb.ca
3
2:05 PM
COMPOSITIONAL VARIATIONS IN FRICTIONAL MELTS: A HRTEM STUDY OF GLASS-BEARING PSEUDOTACHYLYTES (ALPINE FAULT, NEW ZEALAND)
WARR, Laurence N., Centre de Géochimie de la Surface, CGS / EOST UMR 7517, 1 rue Blessig , Strasbourg, 67084, France and VAN DER PLUIJM, Ben, Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, Ann Arbor, MI 48109-1063, Laurence.Warr@urz.uni-heidelberg.de, Laurence.Warr@urz.uni-heidelberg.de
4
2:20 PM
PALEO-STRESS ESTIMATES ON ANCIENT SEISMOGENIC FAULTS, BASED ON FRICTIONAL HEATING OF COAL
O'HARA, Kieran, Dept. Geological Sciences, Univ of Kentucky, Lexington, KY 40506, geokoh@pop.uky.edu, geokoh@pop.uky.edu
5
2:35 PM
SUPERHEATED FRICTION-INDUCED MELTS IN ZONED PSEUDOTACHYLYTES WITHIN THE ADAMELLO TONALITES (ITALIAN SOUTHERN ALPS)
REMPE, Marieke, Dipartimento di Geoscienze, Universita' di Padova, via G. Gradenigo, 6, Padova, 35137, Italy and PENNACCHIONI, Giorgio, Geologia, Paleontologia e Geofisica, Universita' di Padova, Via Giotto 1, Padova, 35137, Italy, marieke.rempe@web.de, marieke.rempe@web.de
6
2:50 PM
MESOSCOPIC STRUCTURES IN PSEUDOTACHYLYTE FROM THE HOMESTAKE SHEAR ZONE, COLORADO
ALLEN, Joseph L., Division of Natural Sciences, Concord College, Campus Box 19, Concord College, Athens, WV 24712, allenj@concord.edu, allenj@concord.edu
7
3:05 PM
MULTIPLE GENERATIONS OF PSEUDOTACHYLYTES FROM BRITTLE TO DUCTILE REGIMES DURING EXHUMATION OF SEISMOGENIC FAULT ZONE
LIN, Aiming, Intitute of Geosciences, Faculty of Science, Shizuoka Univ, 836 Ohya, Shizuoka, 422-8529, Japan, slin@ipc.shizuoka.ac.jp, slin@ipc.shizuoka.ac.jp
8
3:25 PM
TRANSITION FROM CATACLASITES TO PSEUDOTACHYLYTES AND CONSEQUENCES ON THE MESOSCOPIC STRUCTURE OF A “STRONG-TYPE” SEISMOGENIC FAULT
PENNACCHIONI, Giorgio, Geologia, Paleontologia e Geofisica, Universita' di Padova, Via Giotto 1, Padova, 35137, Italy and REMPE, Marieke, Dipartimento di Geoscienze, Universita' di Padova, via G. Gradenigo, 6, Padova, 35137, Italy, giorgio.pennacchioni@unipd.it, giorgio.pennacchioni@unipd.it
9
3:40 PM
THE UPPER ASEISMIC TO SEISMIC TRANSITION: A SILICA CEMENTATION THRESHOLD
ROWE, Christen D., Department of Earth Sciences, Univ of California Santa Cruz, 1156 High St, Santa Cruz, CA 95064 and MOORE, J. Casey, Univ California - Santa Cruz, 1156 High St, Santa Cruz, CA 95064-1077, crowe@es.ucsc.edu, crowe@es.ucsc.edu
10
3:55 PM
PSEUDOTACHYLITE AS A MAGNETIC RECORDER OF EARTH'S AMBIENT FIELD
NAKAMURA, Norihiro, The Tohoku University Museum, Tohoku Univ, Aoba-ku, Sendai, 980-8578, Japan and IYEDA, Yuhya, Geoenvironmental Sciences, Tohoku Univ, Aoba-ku, Sendai, n-naka@mail.tains.tohoku.ac.jp, n-naka@mail.tains.tohoku.ac.jp
11
4:10 PM
THE MAGNETIC PROPERTIES OF FAULT PSEUDOTACHYLITES: ORIGIN AND IMPLICATIONS FOR FRICTIONAL MELTING PROCESSES
FERRE, Eric C.1, MATHANASEKARAN, Navani1, ZECHMEISTER, M.1, GEISSMAN, John W.2 and MELOSI, N.1, (1)Department of Geology, Southern Illinois Univ at Carbondale, MC 4324, Carbondale, IL 62901, (2)Department of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131-1116, eferre@geo.siu.edu, eferre@geo.siu.edu
12
4:25 PM
DAMAGE AND DRAINAGE: CAN RUPTURING FAULTS HOLD THEIR WATER?
RICE, James R., Earth & Planet. Sci, & Engin. & Appl. Sci, Harvard Univ, 224 Pierce Hall, 29 Oxford Street, Cambridge, MA 02138, rice@esag.harvard.edu, rice@esag.harvard.edu
13
4:45 PM
SHEAR HEATING AND PARTIAL MELTING OF WET FAULT GOUGE DURING EARTHQUAKE SLIP
RICE, James R., Earth & Planet. Sci., & Engin. & Appl. Sci, Harvard Univ, 224 Pierce Hall, 29 Oxford Street, Cambridge, MA 02138 and JACQUES, Laurent M.P., Option de Mecanique, Ecole Polytechnique, and Corps des Mines, Ecole Polytechnique, route de Saclay, Palaiseau, 91128, rice@esag.harvard.edu, rice@esag.harvard.edu
14
5:00 PM
EARTHQUAKES AND EXHUMATION OF UHP ROCKS: OCCURRENCE, COMPOSITION, AND UV-LASER ABLATION 40AR/39AR GEOCHRONOLOGY OF PSEUDOTACHYLYTE FROM THE DORA MAIRA MASSIF, ITALY
COSCA, Michael A., Institute of Mineralogy and Geochemistry, University of Lausanne, Lausanne, 1015, CABY, Renaud, Laboratoire de Tectonophysique, Universite de Montpellier 2, Montpellier, 34095, France and BUSSY, Francois, Institute of Mineralogy and Geochemistry, Univ of Lausanne, Lausanne, Switzerland, michael.cosca@img.unil.ch, michael.cosca@img.unil.ch
15
5:15 PM
LATE CENOZOIC 40AR/39AR AGES OF FAULT ROCKS FORMED ALONG THE WEST SALTON DETACHMENT SYSTEM, SOUTHERN CALIFORNIA
KAIROUZ, Mary, Earth and Space Sciences, Univ of California Los Angeles, 594 Charles E Young Drive East, Los Angeles, CA 90095, AXEN, Gary J., Dept. Earth & Space Sciences, Univ. of California - Los Angeles, Los Angeles, CA 90095-1567, GROVE, Marty, Dept. of Earth and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, LOVERA, Oscar, Dept. Earth & Space Sciences, Univ of California, Los Angeles, Los Angeles, CA and STOCKLI, Daniel, Dept. of Geology, Univ. of Kansas, Lawrence, KS, maryliz216@aol.com, maryliz216@aol.com
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