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Session No. 242
Wednesday, 3 November 2010: 8:00 AM-12:00 PM
Hall E (Colorado Convention Center)

T144. Coupling of Deformation and Chemical Processes in Earth

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Stacia Gordon, Ethan F. Baxter, Holger Stünitz, Donna L. Whitney, Michael L. Williams and Eric Goergen, Advocates
Paper #
Start Time
1
8:00 AM
EFFECTS OF COMPOSITIONAL HETEROGENEITY on LOCALIZATION IN UPPER MANTLE DEFORMATION
NEWMAN, Julie, Geology and Geophysics, Texas A&M University, College Station, TX 77843 and TOY, Virginia G., Department of Geology, University of Otago, PO Box 56, Dunedin, 9054, New Zealand, newman@geo.tamu.edu, newman@geo.tamu.edu
2
8:20 AM
DEFORMATION ASSOCIATED WITH MELT PERCOLATION IN THE UPPER MANTLE: FIELD, STRUCTURAL AND PETROLOGICAL EVIDENCE FROM THE BENI BOUSERA ULTRAMAFIC MASSIF (NE MOROCCO)
JAGOUTZ, Oliver1, STANLEY, Jessica1, GYSI, Alex2, MANTHEI, Christian1, WHITTEMORE, Sam1 and HIRTH, Greg3, (1)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, (2)Institute of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavik, 101, Iceland, (3)Geological Sciences, Brown University, Box 1846, 324 Brook St, Providence, RI 02912, jagoutz@mit.edu, jagoutz@mit.edu
3
8:40 AM
ESTABLISHING THE LINK BETWEEN GEOCHEMISTRY AND MICROSTRUCTURE WITHIN DEFORMED MINERAL GRAINS
REDDY, Steven, Applied Geology, Curtin University, Perth, WA6102, Australia, TIMMS, Nick, Applied Geology, Curtin University, GPO Box U1987, Perth, W, Australia and HOUGH, Rob, CSIRO Exploration and Mining, Australian Resources Research Centre, PO Box 1130, Bentley, Perth, 6102, Australia, s.reddy@curtin.edu.au, s.reddy@curtin.edu.au
4
8:55 AM
DYNAMIC RECRYSTALLIZATION AND PARTIAL OVERPRINTING OF BLUESCHIST FACIES MINERALS AND TEXTURES
WHITNEY, Donna L.1, TEYSSIER, Christian1, SEATON, Nicholas C.1 and TORAMAN, Erkan2, (1)Geology & Geophysics, University of Minnesota, Minneapolis, MN 55455, (2)Earth Sciences, University of Minnesota, Minneapolis, MN 55455, dwhitney@umn.edu, dwhitney@umn.edu
5
9:10 AM
MECHANICS OF STRUCTURES AND MELT SEGREGATION DURING MIGMATITE DEFORMATION
FLETCHER, Raymond C., Centre for the Physics of Geological Processes, University of Oslo, Oslo, Norway, rcf11@psu.edu, rcf11@psu.edu
6
9:25 AM
SYNDEFORMATIONAL PARTIAL MELTING REACTIONS AND DEFORMATION LOCALIZATION WITHIN ANATECTIC MIGMATITES OF THE WET MOUNTAINS, CENTRAL COLORADO
LEVINE, Jamie S.F., Dept of Geology, Appalachian State University, Boone, NC 28608 and MOSHER, Sharon, Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 1 University Station C1100, Austin, TX 78712-0254, levinejs@appstate.edu, levinejs@appstate.edu
7
9:40 AM
TECTONIC CONDITIONS FOR PEGMATITE-INDUCED HYDRATION AND KM-SCALE WEAKENING IN DEEP OROGENIC CRUST
GERBI, Christopher1, CULSHAW, Nicholas G.2 and MARSH, Jeffrey H.1, (1)Department of Earth Sciences, University of Maine, Orono, ME 04469, (2)Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 4J1, Canada, christopher.gerbi@maine.edu, christopher.gerbi@maine.edu
 
9:55 AM
Break
8
10:10 AM
THE EFFECT OF DEHYDRATION on ANTIGORITE RHEOLOGY
CHERNAK, Linda J. and HIRTH, Greg, Geological Sciences, Brown University, Box 1846, 324 Brook St, Providence, RI 02912, linda_chernak@brown.edu, linda_chernak@brown.edu
9
10:30 AM
THE EFFECT OF WATER CONTENT on THE STRENGTH OF GABBROIC ROCKS AT HIGH PRESSURE
GOERGEN, Eric, Geological Sciences, Brown University, Geochemistry Building Room 030, Providence, RI 02912 and HIRTH, Greg, Geological Sciences, Brown University, Box 1846, 324 Brook St, Providence, RI 02912, Eric_Goergen@brown.edu, Eric_Goergen@brown.edu
10
10:45 AM
HYDROGEN ISOTOPE EVIDENCE FOR DETACHMENT FAULT-RELATED EXHUMATION OF THE OROCOPIA SCHIST, SOUTHEASTERN CALIFORNIA
HOLK, Gregory J., Department of Geological Sciences and IIRMES, California State Univ Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840, JACOBSON, C.E., Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212 and GROVE, Marty, Department of Geological Sciences, Stanford University, Stanford, CA 94305, gholk@csulb.edu, gholk@csulb.edu
11
11:00 AM
USING MICROSTRUCTURES TO TEST THE ASSUMPTION OF EQUILIBRIUM FRACTIONATION FOR OXYGEN ISOTOPE THERMOMETRY - THE QUARTZITIC KETTLE DETACHMENT (WA, USA)
QUILICHINI, Antoine, Institut of Mineralogy and geochemistry, University of Lausanne, Batiment Anthropole, Lausanne, 1015, Switzerland, SIEBENALLER, Luc, University of Lausanne, Institute of Minerology and Geochemistry (IMG), Quartier UNIL-Dorigny, Bâtiment Anthropole, Lausanne, 1015, Switzerland, NACHLAS, William O., Department of Geoscience, Virginia Polytechnic Institute and State University, Derring Hall, Blacksburg, VA 24060, TEYSSIER, Christian, Geology & Geophysics, University of Minnesota, Minneapolis, MN 55455, VENNEMANN, Torsten, Institute of Earth Surface Dynamics, University of Lausanne, Geopolis - CH-1015 Lausanne - Suisse, Lausanne, 1015, Switzerland and MULCH, Andreas, Institute of Geology, Universität Hannover, Callinstr. 30, Hannover, 30167, Germany, Antoine.Quilichini@unil.ch, Antoine.Quilichini@unil.ch
12
11:15 AM
FLUID-ROCK INTERACTIONS WITHIN A QUARTZITE-SCHIST DETACHMENT DURING EXHUMATION: INSIGHTS FROM THE SNAKE RANGE CORE COMPLEX, NV, USA
SIEBENALLER, Luc1, QUILICHINI, Antoine1, TEYSSIER, Christian2, GEBELIN, Aude3, VENNEMANN, Torsten1, MULCH, Andreas3, PITTELOUD, Youri1 and FANTASIA, Alicia1, (1)Institute of Mineralogy and Geochemistry, University of Lausanne, Quartier UNIL-Dorigny, Batiment Anthropole, Lausanne, 1015, Switzerland, (2)Geology & Geophysics, University of Minnesota, Minneapolis, MN 55455, (3)Institute of Geology, Universität Hannover, Callinstr. 30, Hannover, 30167, Germany, luc.siebenaller@unil.ch, luc.siebenaller@unil.ch
13
11:30 AM
INTRAGRAIN OXYGEN ISOTOPE ZONING IN TITANITE BY ION MICROPROBE: CONSTRAINING COOLING RATES AND FLUID INFILTRATION HISTORY ALONG THE CARTHAGE COLTON MYLONITE ZONE, ADIRONDACK MOUNTAINS, NY
BONAMICI, Chloe E., Nuclear and Radiochemistry, Los Alamos National Laboratory, PO Box 1663, Los Alamos, NM 87545, KOZDON, Reinhard, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706, USHIKUBO, Takayuki, Department of Geoscience, University of Wisconsin, 1215 West Dayton Street, Madison, WI 53706 and VALLEY, John W., Department of Geoscience, University of Wisconsin, Madison, WI 53706, chloebee@lanl.gov, chloebee@lanl.gov
14
11:45 AM
ON THE HETEROGENEITY OF FLUIDS FORMING BEDDING-PARALLEL VEINS
SMITH, Adam1, FISCHER, Mark P.1 and EVANS, Mark A.2, (1)Dept. of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL 60115-2854, (2)Department of Geological Sciences, Central Connecticut State Univ, 1615 Stanley St, New Britain, CT 06050, mfischer@niu.edu, mfischer@niu.edu
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