2010 GSA Denver Annual Meeting (31 October –3 November 2010)
Session No. 240 Wednesday, 3 November 2010
8:00 AM-12:00 PM, Colorado Convention Center: Mile High Ballroom 1CD

T104. Garnet and Its Use in Unraveling Metamorphic and Tectonic Processes (GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; Mineralogical Society of America)

Ethan F. Baxter, Mark J. Caddick and Jay J. Ague, Presiding
 Paper #Start Time
240-18:00 AM REACTIVE BULK COMPOSITION AND MODELING GARNET ZONING: SPEAR, Frank, Earth and Environmental Sciences, Rensselaear Polytechnic Institute, 110 8th St, Troy, NY 12180, spearf@rpi.edu
240-28:20 AM PRESSURE-TEMPERATURE PATHS FROM GARNET ZONING: INTEGRATING GIBBS METHOD AND G-MINIMIZATION APPROACHES: HOISCH, Thomas D.1, CRUZ-URIBE, Alicia M.2, KELLY, Eric D.3, MURRAY, Timothy T. II2, and WELLS, Michael L.4, (1) School of Earth Sciences and Environmental Sustainability, Northern Arizona University, P.O. Box 4099, Flagstaff, AZ 86011, thomas.hoisch@nau.edu, (2) Geosciences Department, Pennsylvania State University, University Park, PA 16802, (3) Geological Sciences, University of Texas at Austin, 4102 Avenue H Unit B, Austin, TX 78751, (4) Dept. of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010
240-38:35 AM GEOCHEMISTRY AND PETROLOGY OF GARNET SILLIMANITE MIGMATITE AND RESTITE FROM THE COAST MOUNTAINS OF BRITISH COLUMBIA: ANDRONICOS, Chris, Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, ca98@cornell.edu, WOLF, David E., Earth and Atmospheric Sciences, Cornell University, 4154 Snee Hall, Ithaca, NY 14853-1504, and HOLLISTER, Lincoln S., Geosciences, Princeton University, Princeton, NJ 08544
240-48:50 AM EVIDENCE FOR COMPLEX MID-CRUSTAL FLOW IN THE NORTHERN APPALACHIANS FROM REGIONAL GARNET INCLUSION AND ZONING PATTERNS: KARABINOS, Paul, Dept. Geosciences, Williams College, Williamstown, MA 01267, pkarabin@williams.edu
 9:05 AM Break
240-59:20 AM INTERPRETING SM-ND GEOCHRONOLOGY OF GARNET-BEARING ROCKS: AN EXAMPLE FROM THE ZERMATT-SAAS OPHIOLITE, WESTERN ALPS, ITALY: LAPEN, Thomas J., Department of Earth and Atmospheric Sciences, University of Houston, 312 Science and Research 1, University of Houston, Hosuton, TX 77204-5007, tjlapen@uh.edu, SPRINGER, Kellen, Department of Earth and Atmospheric Sciences, University of Houston, 4800 Calhoun Rd, Houston, TX 77204, BAUMGARTNER, Lukas, Earth Sciences, University of Lausanne, Lausanne, CH-1015, Switzerland, and JOHNSON, Clark, M., Department of Geoscience, University of Wisconsin-Madison, NASA Astrobiology Institute, 1215 W. Dayton St, Madison, WI 53706
240-69:40 AM UTILIZING ZONED GARNET AND HIGH-PRECISION SM-ND GEOCHRONOLOGY TO DETERMINE METAMORPHIC P-T-T PATHS FOR THE SWAKANE GNEISS, NORTH CASCADES CRYSTALLINE CORE, WA: GATEWOOD, Mathew and STOWELL, Harold, Department of Geological Sciences, Univ of Alabama, Box 870338, Tuscaloosa, AL 35487-0338, matthewpgatewood@gmail.com
240-79:55 AM PROGRESS IN ZONED GARNET SM-ND GEOCHRONOLOGY: BAXTER, Ethan F.1, POLLINGTON, Anthony D.2, DRAGOVIC, Besim3, GATEWOOD, Mathew4, INGLIS, Jeremy1, STOWELL, Harold4, and HIRSCH, David M.5, (1) Earth Sciences, Boston University, 685 Commonwealth Ave, Boston, MA 02215, efb@bu.edu, (2) Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, (3) Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, (4) Department of Geological Sciences, Univ of Alabama, Box 870338, Tuscaloosa, AL 35487-0338, (5) Geology, Western Washington University, 516 High St, Bellingham, WA 98225
240-810:10 AM OXYGEN ISOTOPE ZONING IN HIGH TEMPERATURE/HIGH PRESSURE GARNETS: RUSSELL, Ashley K., KITAJIMA, Kouki, MEDARIS, L. Gordon Jr, and VALLEY, John W., Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, ashleyrussell175@gmail.com
240-910:25 AM ON THE ROLE OF GARNET IN CONTINENTAL LOWER CRUST: DUMOND, Gregory, Department of Geosciences, University of Arkansas, 18A Ozark Hall, Fayetteville, AR 72701, gdumond@mit.edu, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003, GONCALVES, Philippe, Département des Géosciences, Université de Franche-Comté, 16 route de Gray, Besançon, 25030, France, and JERCINOVIC, Michael J., Dept. of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003-9297
 10:40 AM Break
240-1010:55 AM CONTROLS ON DIFFUSION OF DIVALENT CATIONS IN GARNET: THE ROLES OF HOST-CRYSTAL COMPOSITION AND IONIC SIZE: CARLSON, William D., Department of Geological Sciences, University of Texas at Austin, 1 University Station C9000, Austin, TX 78712, wcarlson@mail.utexas.edu
240-1111:15 AM CA DIFFUSION IN GARNET: A TALE OF TWO SITES: CHAKRABORTY, Sumit and BORINSKI, S., Institut fuer Geologie, Mineralogie und Geophysik, Ruhr Universitaet Bochum, Universitaetsstrasse 150, Bochum, D-447801, Germany, sumit.chakraborty@rub.de
240-1211:30 AM COMBINING ZONING PATTERNS AND BIMODAL CRYSTAL SIZE DISTRIBUTIONS OF GARNETS WITHIN ECLOGITE-FACIES METAPELITES FROM ALP DE CONFIN, ADULA NAPPE, SWITZERLAND TO CONSTRAIN P-T PATHS: GOEKE, Elizabeth R., Geology, Gustavus Adolphus College, 800 W. College Ave, St. Peter, MN 56082, egoeke@gustavus.edu and FOSTER, C. Thomas, Geology, Univ. of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242
240-1311:45 AM BRIEF HISTORY OF COOLING FOLLOWING GRANULITE-FACIES METAMORPHISM, BARROVIAN ZONES, SCOTLAND: VORHIES, Sarah, Geology and Geophysics, Yale University, P.O. Box 208109, New Haven, CT 06520, sarah.vorhies@yale.edu and AGUE, Jay J., Department of Geology and Geophysics, Yale University, PO Box 208109, New Haven, CT 06520-8109

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