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GSA Annual Meeting, November 5-8, 2001

Session No. 6
Monday, 5 November 2001: 8:00 AM-12:00 PM

Metamorphic Petrology I

 

Julie K. Vry and Elizabeth J. Catlos, Chairs
Paper #
Start Time
0
8:00 AM
CALCULATION OF THERMAL PEAK P-T CONDITIONS FROM SAPPHIRINE-BEARING GRANULITES
MORAES, Renato1, BROWN, Michael1 and FUCK, Reinhardt A.2, (1)Laboratory for Crustal Petrology, Univ of Maryland, Department of Geology, College Park, MD 20742-4211, (2)Departamento de Geologia Geral e Aplicada, Universidade de Brasília, Instituto de Geociências, Brasília, DF,70910-900, Brazil, moraes@geol.umd.edu, moraes@geol.umd.edu
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8:15 AM
A KINETIC PHASE DIAGRAM FOR CLASSIFICATION OF ELEMENT / ISOTOPE EXCHANGE REACTIONS - DIFFUSION- OR INTERFACE- CONTROL?
DOHMEN, Ralf and CHAKRABORTY, Sumit, Institut fuer Geologie, Mineralogie und Geophysik, Ruhr Universitaet Bochum, Universitaetsstrasse 150, Bochum, 44780, Germany, Sumit.Chakraborty@ruhr-uni-bochum.de, Sumit.Chakraborty@ruhr-uni-bochum.de
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8:30 AM
CALCITE-CORUNDUM OXYGEN ISOTOPE FRACTIONATIONS IN NAXOS META-BAUXITES: SELECTING SAMPLES FOR THERMOMETRY
KATZIR, Yaron and VALLEY, John W., Geology & Geophysics, Univ Wisconsin - Madison, 1215 W Dayton St, Madison, WI 53706-1692, yaron@geology.wisc.edu, yaron@geology.wisc.edu
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8:45 AM
GARNET+CLINOPYROXENE-BEARING METABASITES: HIGH PRESSURE GRANULITES, UPPER AMPHIBOLITES, OR WHO CARES?
PATTISON, David R.M., Geology & Geophysics, Univ of Calgary, Calgary, AB T2N 1N4, Canada, pattison@geo.ucalgary.ca, pattison@geo.ucalgary.ca
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9:00 AM
INTERPRETATION OF MONAZITE AGES OBTAINED VIA IN SITU ANALYSIS
CATLOS, E. J., School of Geology, Oklahoma State Univ, Stillwater, OK 74078-3031, GILLEY, Lisa, Department of Earth and Space Sciences, Univ of California, Los Angeles, CA 90095-1567 and HARRISON, T. Mark, Dept. of Earth and Space Sciences and IGPP, Univ. California, Los Angeles, CA 90095-1567, catlos@argon.ess.ucla.edu, catlos@argon.ess.ucla.edu
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9:15 AM
RELATIVE BOUYANCIES OF CO2-H2O MIXTURES AT 300-400°C AND PRESSURES TO 100 MEGAPASCALS*
BLENCOE, James G.1, ANOVITZ, Lawrence M.1, SINGH, Jagmohan2 and SEITZ, Jeffery C.3, (1)Oak Ridge National Lab, P.O. Box 2008, Bldg. 4500-S, Oak Ridge, TN 37831-6110, (2)Oak Ridge National Laboratory, P.O. Box 2008, Bldg. 4500-S, Oak Ridge, TN 37831-6110, (3)Department of Geological Sciences, California State University, Hayward, Hayward, CA 94542-3088, blencoejg@ornl.gov, blencoejg@ornl.gov
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9:30 AM
NUMERICAL MODELING OF MIXED H2O-CO2 FLUID FLOW AND ITS INFLUENCE ON CALC-SILICATE REACTIONS IN CONTACT AUREOLES
CUI, Xiaojun1, NABELEK, Peter1 and LIU, Mian2, (1)Geological Sciences, University of Missouri-Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211, (2)Geological Sciences, Univ of Missouri-Columbia, Columbia, MO 65211, xc260@mizzou.edu, xc260@mizzou.edu
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9:45 AM
LARGE-SCALE FLOW OF SLAB-DERIVED FLUIDS IN AN ACCRETIONARY PRISM, OTAGO SCHIST, NEW ZEALAND
BREEDING, Christopher M., Department of Geology and Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109 and AGUE, Jay J., Yale Univ, PO Box 208109, New Haven, CT 06520-8109, christopher.breeding@yale.edu, christopher.breeding@yale.edu
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10:00 AM
TRENDS OF 13C-18O DEPLETION IN METACARBONATE ROCKS AS POSSIBLE RECORDS OF HYDRODYNAMIC DISPERSION DURING INFILTRATION-DRIVEN METAMORPHISM
BOWMAN, John R., Univ Utah, 135 S 1460 E Rm 719, Salt Lake City, UT 84112-0111, jrbowman@mines.utah.edu, jrbowman@mines.utah.edu
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10:15 AM
MECHANISM AND GEOMETRY OF FLUID FLOW DURING REGIONAL METAMORPHISM RECORDED BY VARIATIONS IN REACTION PROGRESS IN LAYERED CARBONATE ROCKS, WAITS RIVER FORMATION, VERMONT
PENNISTON-DORLAND, Sarah C. and FERRY, John M., Department of Earth and Planetary Sciences, Johns Hopkins Univ, Baltimore, MD 21218, sarahpd@jhu.edu, sarahpd@jhu.edu
0
10:30 AM
POLYMETASOMATIC HISTORY OF ASHFLOW TUFF AND GEOCHEMICAL EVOLUTION DURING CONTACT METAMORPHISM, MAMMOTH CREST, CALIFORNIA
ROUGVIE, James R., DIMAGGIO, Erin N. and SORENSEN, Sorena S., Dept. of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560-0119, rougvie.james@nmnh.si.edu, rougvie.james@nmnh.si.edu
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10:45 AM
PYROXENE-RICH ROCKS OF THE WEBSTER-ADDIE COMPLEX, WESTERN NORTH CAROLINA
SWANSON, Samuel E., Department of Geology, Univ of Georgia, Athens, GA 30602 and WARNER, Richard D., Department of Geological Sciences, Clemson Univ, Clemson, SC 29634-0976, sswanson@uga.edu, sswanson@uga.edu
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11:00 AM
THERMAL EVOLUTION OF HIGH-PRESSURE ROCKS FROM THE ALPS: THE RESPONSE TO SLAB BREAKOFF?
BROUWER, Fraukje M.1, VISSERS, R.L.M.2, WORTEL, M.J.R.2, VAN DE ZEDDE, D.M.A.2 and LAMB, W. M.3, (1)Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road NW, Washington, DC 20015, (2)Vening Meinesz Research School for Geodynamics, Utrecht University, Postbus 80021, Utrecht, 3508 TA, Netherlands, (3)Dept. of Geology and Geophysics, Texas A&M University, College Station, TX 77843-3115, f.brouwer@gl.ciw.edu, f.brouwer@gl.ciw.edu
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11:15 AM
PETROLOGIC EVIDENCE FOR EOCENE SLAB BREAK-OFF DURING THE INDO-ASIAN COLLISION
PARKINSON, Chris D., Department of Geological Sciences, University of South Carolina, Columbia, SC 29208 and KOHN, Matthew J., Geological Sciences, Univ of South Carolina, Dept. Geol. Sci.; EWS 617, Univ. South Carolina; 701 Sumter St, Columbia, SC 29208, cdp@geol.sc.edu, cdp@geol.sc.edu
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11:30 AM
ALUMINUM SILICATE POLYMORPH TRANSFORMATIONS AND THE SIGNIFICANCE OF FIBROLITE VERSES PRISMATIC SILLIMANITE. A STUDY FROM THE 'TRIPLE-POINT ISOBAR', NEW HAMPSHIRE
LARSON, Toti Erik, Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131 and SHARP, Zachary D., Earth and Planetary Sciences, Univ of New Mexico, Northrop hall, Albuquerque, NM 87131, larson@unm.edu, larson@unm.edu
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11:45 AM
ZONED (CRETACEOUS AND CENOZOIC) GARNETS IN ALPINE FAULT MYLONITE, SOUTHERN ALPS, NEW ZEALAND
VRY, Julie K.1, MAAS, Roland2, LITTLE, Timothy A.1, PHILLIPS, David3 and GRAPES, Rodney1, (1)Geology - School of Earth Sciences, Victoria Univ of Wellington, PO Box 600, Wellington, New Zealand, (2)Earth Sciences, La Trobe Univ, VIEPS Radiogenic Isotope Laboratory, Bundoora, Victoria, 3086, Australia, (3)Geology, Univ of Melbourne, Melbourne, Victoria, 3052, Australia, Julie.Vry@vuw.ac.nz, Julie.Vry@vuw.ac.nz
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