Session No. 50 Sunday, October 27, 2002

1:00 PM-3:45 PM, Colorado Convention Center: C205
T124. Thermal and Mechanical Significance of Gneiss Domes in the Evolution of Orogens
Donna L. Whitney, Christian Teyssier and Kip V. Hodges, Presiding
 Paper #Start Time
50-11:00 PM CONTROLS ON GNEISS DOME FORMATION: CHICKENS, EGGS AND RED HERRINGS: BROWN, Michael1, JOHNSON, Tim1, MARCHILDON, Nathalie1, and SOLAR, Gary S.2, (1) Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, mbrown@geol.umd.edu, (2) Department of Earth Sciences, SUNY College at Buffalo, 1300 Elmwood Avenue, Buffalo, NY 14222
50-21:15 PM GNEISS DOMES AND OROGENY: WHITNEY, Donna L. and TEYSSIER, Christian, Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, dwhitney@umn.edu
50-31:30 PM EXHUMATION OF THE UPPER MUSTANG MASSIF, THAKKHOLA GRABEN, CENTRAL NEPAL HIMALAYA: HURTADO, J.M. Jr, Department of Geological Sciences, Univ of Texas El Paso, El Paso, TX 79968, hurtado@alum.mit.edu, HODGES, K.V., EAPS, MIT, 54-1010 MIT, Cambridge, MA 02139, RAMEZANI, Jahandar, EAPS, MIT, 54-1020, Cambridge, MA 02139, and BOWRING, Samuel A., EAPS, MIT, Cambridge, MA 02139
50-41:45 PM OROGEN-PARALLEL EXTENSION AS EXPRESSED BY THE DEVELOPMENT OF GNEISS DOMES: AN EXAMPLE FROM THE HIMALAYA: MURPHY, Michael A., University of Houston, Science & Research 1, Houston, TX 77204-5007, mmurphy@mail.uh.edu.
50-52:00 PM ACTIVE EXHUMATION OF A HIGH-GRADE ASYMMETRIC DOME IN THE SUTLEJ VALLEY (NW-HIMALAYAS, INDIA): GRASEMANN, Bernhard1, DRAGANITS, Erich1, JANDA, Christoph1, HAGER, Christian1, and VANNAY, Jean-Claude2, (1) Institute of Geology, Univ of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, bernhard.grasemann@univie.ac.at, (2) Institut de Minéralogie et de Pétrographie, Université de Lausanne, BFSH2, Lausanne, CH-1015, Switzerland
50-62:15 PM COMPARING SPATIAL VARIATIONS IN PRECIPITATION AND EROSION INDEX TO DIFFERENCES IN LONG TERM EXHUMATION ALONG THE EUROPEAN ALPS: ANDERS, Alison M.1, MONTGOMERY, David1, and HALLET, Bernard2, (1) Earth and Space Sciences, Univ of Washington, 63 Johnson Hall, Box 351310, Seattle, WA 98195-1310, andersa@u.washington.edu, (2) Quaternary Research Center, Univ of Washington, 19 Johnson Hall, University of Washington Box 351360, Seattle, WA 98195
50-72:30 PM DECOMPRESSION OF SUBDUCTED CONTINENTAL CRUST AND PARTIAL MELTING OF OROGENS: TEYSSIER, Christian and WHITNEY, Donna L., Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, teyssier@umn.edu
50-82:45 PM SYN-EXTENSIONAL MAGMATISM IN THE GROUSE CREEK AND ALBION MOUNTAINS METAMORPHIC CORE COMPLEXES, UTAH AND IDAHO: IMPLICATIONS FOR GNEISS DOME GENESIS: MILLER, Elizabeth L.1, EGGER, Anne1, FORREST, Steven1, and WRIGHT, James E.2, (1) Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305, miller@pangea.stanford.edu, (2) Univ Georgia, Dept Geology, Athens, GA 30602-2501
50-93:00 PM CRETACEOUS - EARLY TERTIARY TECTONIC EVOLUTION OF THE VALHALLA COMPLEX, SOUTHERN OMINECA BELT, BRITISH COLUMBIA: CARR, Sharon D., Earth Sciences, Carleton Univ, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, Canada, scarr@ccs.carleton.ca and SIMONY, Philip S., Department of Geology and Geophysics, Univ of Calgary, Calgary, AB T2N 1N4, Canada
50-103:15 PM THE ROLE OF A MELT-RICH MIDDLE CRUST LAYER IN CORE COMPLEX FORMATION: EVIDENCE FROM THE SHUSWAP METAMORPHIC COMPLEX, SOUTH-CENTRAL BRITISH COLUMBIA: GLOMBICK, Paul M.1, THOMPSON, Robert I.2, and ERDMER, Philippe1, (1) Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, glombick@ualberta.ca, (2) Geological Survey of Canada, Pacific Geoscience Center, P.O. Box 6000, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada
50-113:30 PM A GUIDE TO DOME IMPROVEMENT, LESSON 1: IS YOUR DOME BUILT ON GRANITE OR GNEISS?: EDWARDS, M.A., Structural Geology and Tectonics, Univ of Vienna, Institut fuer Geologie, Althanstrasse 14, Vienna, A-1090, Austria, medwards@gmx.net, KIDD, William S.F., Dept of Earth and Atmospheric Sciences, Univ at Albany, Albany, NY 12222, and SCHNEIDER, D.A., Dept. of Earth Sciences, Ohio Univ, Athens, Athens, OH 13244

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