2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 50
Sunday, 27 October 2002: 1:00 PM-3:45 PM

T124. Thermal and Mechanical Significance of Gneiss Domes in the Evolution of Orogens

GSA Structural Geology and Tectonics Division; Mineralogical Society of America

 

Donna L. Whitney, Christian Teyssier and Kip V. Hodges, Advocates
Paper #
Start Time
1
1:00 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, (2)Department of Earth Sciences, SUNY College at Buffalo, 1300 Elmwood Avenue, Buffalo, NY 14222, mbrown@geol.umd.edu, mbrown@geol.umd.edu
2
1:15 PM
GNEISS DOMES AND OROGENY
WHITNEY, Donna L. and TEYSSIER, Christian, Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, dwhitney@umn.edu, dwhitney@umn.edu
3
1:30 PM
EXHUMATION OF THE UPPER MUSTANG MASSIF, THAKKHOLA GRABEN, CENTRAL NEPAL HIMALAYA
HURTADO Jr, J.M., Department of Geological Sciences, Univ of Texas El Paso, El Paso, TX 79968, 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, hurtado@alum.mit.edu, hurtado@alum.mit.edu
4
1:45 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, mmurphy@mail.uh.edu
5
2:00 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, (2)Institut de Minéralogie et de Pétrographie, Université de Lausanne, BFSH2, Lausanne, CH-1015, Switzerland, bernhard.grasemann@univie.ac.at, bernhard.grasemann@univie.ac.at
6
2:15 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, (2)Quaternary Research Center, Univ of Washington, 19 Johnson Hall, University of Washington Box 351360, Seattle, WA 98195, andersa@u.washington.edu, andersa@u.washington.edu
7
2:30 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, teyssier@umn.edu
8
2:45 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, (2)Univ Georgia, Dept Geology, Athens, GA 30602-2501, miller@pangea.stanford.edu, miller@pangea.stanford.edu
9
3:00 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 and SIMONY, Philip S., Department of Geology and Geophysics, Univ of Calgary, Calgary, AB T2N 1N4, Canada, scarr@ccs.carleton.ca, scarr@ccs.carleton.ca
10
3:15 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, (2)Geological Survey of Canada, Pacific Geoscience Center, P.O. Box 6000, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada, glombick@ualberta.ca, glombick@ualberta.ca
11
3:30 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, 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, medwards@gmx.net, medwards@gmx.net
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