2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 246 Wednesday, 21 October 2009
9:00 AM-6:00 PM, Oregon Convention Center: Hall A

Petrology, Metamorphic (Posters)

Authors will be present from 4 to 6 PM
 Paper #Booth #
246-1134RECENT CALCITE-GRAPHITE, TI-IN-BIOTITE, GARNET-BIOTITE, AND TWO FELDSPAR THERMOMETRY OF THE ADIRONDACK LOWLANDS, NY, AND SOUTHERN FRONTENAC TERRANE, ONTARIO: RUSSELL, Ashley K., Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, akrussell@wisc.edu, WILL, Celina N., Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, PECK, William, Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346, PERKINS, Dexter, Dept. of Geology and Geological Engineering, University of North Dakota, 81 Cornell Street Stop 8358, Grand Forks, ND 58202-8358, and DUNN, Steven R., Geology & Geography, Mount Holyoke College, South Hadley, MA 01075
246-2135SCAPOLITE CORONAS ON CL-RICH HORNBLENDE: EVIDENCE FOR PERVASIVE FLUID INFILTRATION INTO 30 METER WIDE SHEAR ZONES: DANA HILL METAGABBRO ADIRONDACK MOUNTAINS, NYS: JOHNSON, Eric L., Geology and Environmental Sciences, Hartwick College, Oneonta, NY 13820, Johnsone@hartwick.edu
246-3136EVIDENCE FOR ORDOVICIAN-SILURIAN LOW-PRESSURE REGIONAL METAMORPHISM OVERPRINTED BY AN ALLEGHANIAN-AGE CONTACT EVENT, SOUTHEASTERN VIRGINIA PIEDMONT: DORFLER, Kristin M.1, TRACY, Robert J.2, BUCHWALDT, Robert3, and OWENS, Brent E.1, (1) Department of Geology, College of William and Mary, Williamsburg, VA 23187, k.dorfler@gmail.com, (2) Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (3) Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139
246-4137ASSESSMENT OF EQUILIBRIUM ASSEMBLAGES, MINERAL CHEMISTRIES, AND DEFORMATIONAL FABRICS ASSOCIATED WITH THE GROWTH OF CENTIMETER-SCALE GARNET PORPHYROBLASTS AT GARNET HILL, PAULDING COUNTY, WEST-CENTRAL GEORGIA: BERG, Christopher A., Department of Geosciences, University of West Georgia, 1601 Maple Street, Carrollton, GA 30118, cberg@westga.edu
246-5138USING QUARTZ-GARNET OXYGEN ISOTOPE THERMOMETRY TO RECOVER PEAK METAMORPHIC CONDITIONS OF THE CUCAMONGA TERRANE: CONWAY, Benjamin, Geology Department, Pomona College, 185 E. Sixth Street, Claremont, CA 91711, bkc02006@mymail.pomona.edu, LACKEY, Jade Star, Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, and BINDEMAN, Ilya N., Geological Sciences, 1272 University of Oregon, Eugene, OR 97403
246-6139FIELD OBSERVATIONS ON FLUID BUDGET OF THE CASCADIA EPISODIC TREMOR AND SLIP SYSTEM, OLYMPIC PENINSULA, WASHINGTON: ROTMAN, Holly M.M. and MATTINSON, Christopher G., Geological Sciences, Central Washington University, 400 E University Way, MS 7418, Ellensburg, WA 98926, rotmanh@cwu.edu
246-7140CONTRASTING METAMORPHIC HISTORIES ACROSS THE ENTIAT FAULT, NORTH CASCADES CRYSTALLINE CORE, WA: GATEWOOD, Matthew, Geological Sciences, University of Alabama, 201 7th Ave, Bevill Bldg Rm 202, Tuscaloosa, AL 35487, matthewpgatewood@gmail.com and STOWELL, Harold H., Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487
246-8141METAMORPHIC EVOLUTION OF THE NORTHWEST WENATCHEE BLOCK, NORTH CASCADES, WASHINGTON: ISAACSON, Robert G., Geology, Western Washington University, 516 High Street, Bellingham, WA 98225, isaacson_robert@hotmail.com and HIRSCH, David M., Geology, Western Washington University, 516 High St, Bellingham, WA 98225
246-9142THERMODYNAMIC MODELING OF METASEDIMENTARY ROCKS AND DIATEXITE, HELGELAND NAPPE COMPLEX, NORDLAND, NORWAY: OALMANN, Jeffrey A., HETHERINGTON, Callum J., MARKO, Wayne T., and BARNES, Calvin G., Department of Geosciences, Texas Tech University, Box 41053, Lubbock, TX 79409-1053, jeffrey.oalmann@ttu.edu
246-10143ORTHOPYROXENE-BEARING MIGMATITES FROM THE SOUTHWEST SWEDISH GRANULITE REGION, HALLAND, SWEDEN: HANSEN, Edward C., Geological and Environmental Sciences, Hope College, 35 E 12th Street, Holland, MI 49423, hansen@hope.edu, JOHANSSON, Leif, Geology Department, Lund University, Lund, S-223 62, Sweden, and HARLOV, Daniel, Chemistry and Physics of Earth Materials, GeoForschungsZentrum, Potsdam, D-14473, Germany
246-11144THE RONDA PERIDOTITE, S SPAIN: EXHUMED LITHOSPHERIC MANTLE FROM BENEATH A COLLISIONAL OROGEN: JOHANESEN, Katharine, Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089, johanese@usc.edu and PLATT, John P., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089
246-12145PETROLOGIC IMPLICATIONS OF FERROUS AND FERRIC IRON IN SERPENTINES: EVANS, Bernard W., Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195, bwevans@u.washington.edu
246-13146MINOR ELEMENT SOLID SOLUTION IN GARNET AT ULTRA-HIGH PRESSURE METAMORPHIC CONDITIONS: KOZIOL, Andrea M., Geology, University of Dayton, 300 College Park, Dayton, OH 45409, andrea.koziol@notes.udayton.edu and SNOEYENBOS, David R., Cameca Instruments Inc, P.O. Box 513, Chesterfield, MA 01012
246-14147BLUESCHIST-GREENSCHIST FACIES TRANSITION MODELED BY THE REACTION GLAUCOPHANE + PARAGONITE + QUARTZ = VERMICULITE + ALBITE: BASORA, A.M, Geological Sciences and Environmental Studies, Binghamton University, Binghamton, 13902-6000, abasora1@binghamton.edu and JENKINS, David, Geological Sciences and Environmental Studies, Binghamton Univ, Binghamton, NY 13902-6000
246-15148PREDICTING THE FORMATION CONDITIONS OF THE TRIPLE-CHAIN SILICATE SODIC-CLINOJIMTHOMPSONITE: JENKINS, David, Geological Sciences and Environmental Studies, Binghamton Univ, Binghamton, NY 13902-6000, dmjenks@binghamton.edu and AMS, Bridget E., Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902
246-16149ANALYSIS OF SPATIAL AND TEXTURAL RELATIONSHIPS AMONG ACCESSORY PHASES IN A LAYERED AMPHIBOLITE: IMPLICATIONS FOR TRACE-ELEMENT THERMOBAROMETRY AND GEOCHRONOLOGY: HUNT, Lindsey Elise, Geosciences, University of West Georgia, Carrollton, GA 30118, lhunt4@my.westga.edu and BERG, Christopher A., Department of Geosciences, University of West Georgia, 1601 Maple Street, Carrollton, GA 30118

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