GSA Annual Meeting, November 5-8, 2001

Session No. 21
Monday, 5 November 2001: 8:00 AM-12:00 PM

T59. Rheological Effects of Fluid-Rock Interactions at Depth: From Experimental Constraints to Interpretations of Field Observations

GSA Structural Geology and Tectonics Division; GSA Geophysical Division

 

Tim Wawrzyniec and Jane Selverstone, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
0
8:05 AM
ASPECTS OF FLUID/ROCK MICROSTRUCTURE THAT MIGHT AFFECT ROCK RHEOLOGY: AN EXPERIMENTALIST'S HISTORICAL PERSPECTIVE
WATSON, E. Bruce, Earth & Environmental Sciences, Rensselaer Polytechnic Institute, Room 1C25 Science Center, Troy, NY 12180-3590, watsoe@rpi.edu, watsoe@rpi.edu
0
8:25 AM
EFFECTS OF DEFORMATION ON FLUID DISTRIBUTION IN AGGREGATES
TULLIS, Jan, Brown Univ, PO Box 1846, Providence, RI 02912-1846, Jan_Tullis@brown.edu, Jan_Tullis@brown.edu
0
8:45 AM
GRAIN-BOUNDARY MELT DISTRIBUTION AND DEFORMATION MECHANISMS IN MELT-BEARING CRUSTAL ROCKS
MARCHILDON, Nathalie and BROWN, Michael, Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, nathalie@geol.umd.edu, nathalie@geol.umd.edu
0
9:00 AM
EFFECTS OF FLUID COMPOSITION ON PRESSURE SOLUTION AND IMPLICATIONS FOR CRUSTAL RHEOLOGY
SPIERS, Christopher J., Faculty of Earth Sciences, Utrecht Univ, Budapestlaan 4, PO Box 80.021, Utrecht, 3508 TA, Netherlands, cspiers@geo.uu.nl, cspiers@geo.uu.nl
0
9:20 AM
FLUID-MEDIATED STRAIN LOCALIZATION DURING ALPINE AGE STRIKE-SLIP DEFORMATION IN THE EASTERN ALPS
BARNES, Jaime D., SELVERSTONE, Jane and SHARP, Zach, Earth & Planetary Sciences, Univ. of New Mexico, Albuquerque, NM 87131-1116, jdbarnes@unm.edu, jdbarnes@unm.edu
0
9:35 AM
FLUID-TRIGGERED, RHEOLOGICALLY BUFFERED ECLOGITE METAMORPHISM, BERGEN ARCS, WESTERN NORWAY
BJORNERUD, Marcia, Geology Dept, Lawrence University, 115 So. Drew St, Appleton, WI 54911 and AUSTRHEIM, Haakon, Geologisk Museum, Universitetet i Oslo, Postboks 1172, Blindern, Oslo, 0318, Norway, bjornerm@lawrence.edu, bjornerm@lawrence.edu
 
9:50 AM
Break
0
10:05 AM
MECHANICAL ROLES OF TRANSIENT METAMORPHIC FLUID PRODUCTION IN EMBRITTLEMENT OF DUCTILE SHEAR ZONES
AXEN, Gary J., Earth and Space Sciences, Univ. of California, Los Angeles, Los Angeles, CA 90095-1567, gaxen@ess.ucla.edu, gaxen@ess.ucla.edu
0
10:25 AM
LATE CENOZOIC BRITTLE-DUCTILE DEFORMATION AND FLUID FLOW RECORDED IN A FOSSIL BRITTLE-DUCTILE TRANSITION ZONE, SOUTHERN ALPS, NEW ZEALAND
WIGHTMAN, Ruth H. and LITTLE, Timothy A., Geology - School of Earth Sciences, Victoria Univ of Wellington, PO Box 600, Wellington, New Zealand, ruth.wightman@vuw.ac.nz, ruth.wightman@vuw.ac.nz
0
10:40 AM
MICROCRACKING INDUCED BY CHANGES IN FLUID COMPOSITION DURING DECOMPRESSION OF GRAPHITIC SCHISTS
SELVERSTONE, Jane, Earth & Planetary Sciences, Univ. of New Mexico, Albuquerque, NM 87131-1116, selver@unm.edu, selver@unm.edu
0
10:55 AM
RETROGRADE FORMATION OF CHLORITE, EVOLVING FLUID COMPOSITION, AND EMBRITTLEMENT OF THE SIMPLON LOW-ANGLE NORMAL FAULT ZONE, SWITZERLAND
WAWRZYNIEC, T. F., Bureau of Economic Geology, The Univ of Texas at Austin, University Station, Box X, Austin, TX 78713, BERGFELD, Deborah, EES-6, Los Alamos National Laboratory, MS D462, Los Alamos, 87545 and LUCCHINI, Raffael, Department of Earth and Planetary Sciences, Univ of New Mexico, 131 Northrop Hall, Albuquerque, NM 87131, tim.wawrzyniec@beg.utexas.edu, tim.wawrzyniec@beg.utexas.edu
0
11:10 AM
REDOX CONDITIONS DURING FRICTIONAL MELTING: A MOSSBAUER STUDY OF PSEUDOTACHYLYTES
O'HARA, Kieran D., Geological Sciences, Univ Kentucky, 111 Slone Bldg, Lexington, KY 40506-0053, geokoh@pop.uky.edu, geokoh@pop.uky.edu
0
11:25 AM
DEEP REFRIGERATION OF AN EVOLVING THRUST AND FOLD BELT BY ENHANCED PENETRATION OF METEORIC WATER: THE LEWIS THRUST SHEET, SOUTHERN CANADIAN ROCKY MOUNTAINS
PRICE, Raymond A., Department of Geological Sciences and Geological Engineering, Queen's Univeristy, Kingston, ON K7L 3N6, Canada, OSADETZ, Kirk A., Geol Survey of Canada - Calgary, 3303 33rd St. N.W, Calgary, AB T2L 2A7, Canada, KOHN, Barry P., School of Earth Science, The Univeristy of Melbourne, Victoria, 3010, Australia and FEINSTEIN, Shimon, Department of Geological and Environmental Sciences, Ben-Gurion Univ, Beer Sheva, 84105, Israel, price@geol.queensu.ca, price@geol.queensu.ca
0
11:40 AM
SYNTECTONIC METEORIC FLUID INFILTRATION, NORTHERN U. S. ROCKIES, ID-MT
ANASTASIO, David and BEBOUT, Gray E., Lehigh Univ, 31 Williams Dr, Bethlehem, PA 18015-3188, dja2@lehigh.edu, dja2@lehigh.edu
 
11:55 AM
Concluding Remarks
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