2009 Portland GSA Annual Meeting (18-21 October 2009)

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

Petrology, Metamorphic (Posters)

Authors will be present from 4 to 6 PM.

 

Paper #
Booth #
1
134
RECENT 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, 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, ashleyrussell175@gmail.com, ashleyrussell175@gmail.com
2
135
SCAPOLITE 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, Johnsone@hartwick.edu
3
136
EVIDENCE 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, (2)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (3)Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, k.dorfler@gmail.com, k.dorfler@gmail.com
5
138
USING 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, 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, bkc02006@mymail.pomona.edu, bkc02006@mymail.pomona.edu
6
139
FIELD 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, rotmanh@cwu.edu
7
140
CONTRASTING 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 and STOWELL, Harold H., Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487, matthewpgatewood@gmail.com, matthewpgatewood@gmail.com
8
141
METAMORPHIC EVOLUTION OF THE NORTHWEST WENATCHEE BLOCK, NORTH CASCADES, WASHINGTON
ISAACSON, Robert G., Geology, Western Washington University, 516 High Street, Bellingham, WA 98225 and HIRSCH, David M., Geology, Western Washington University, 516 High St, Bellingham, WA 98225, isaacson_robert@hotmail.com, isaacson_robert@hotmail.com
9
142
THERMODYNAMIC 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, jeffrey.oalmann@ttu.edu
10
143
ORTHOPYROXENE-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, JOHANSSON, Leif, Geology Department, Lund University, Lund, S-223 62, Sweden and HARLOV, Daniel, Chemistry and Physics of Earth Materials, Deutsches GeoForschungsZentrum, Potsdam, D-14473, Germany, hansen@hope.edu, hansen@hope.edu
11
144
THE RONDA PERIDOTITE, S SPAIN: EXHUMED LITHOSPHERIC MANTLE FROM BENEATH A COLLISIONAL OROGEN
JOHANESEN, Katharine, Department of Geociences, SUNY Fredonia, Fredonia, NY 14063 and PLATT, John P., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089, johanese@fredonia.edu, johanese@fredonia.edu
12
145
PETROLOGIC IMPLICATIONS OF FERROUS AND FERRIC IRON IN SERPENTINES
EVANS, Bernard W., Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195, bwevans@uw.edu, bwevans@uw.edu
13
146
MINOR ELEMENT SOLID SOLUTION IN GARNET AT ULTRA-HIGH PRESSURE METAMORPHIC CONDITIONS
KOZIOL, Andrea M., Geology, University of Dayton, 300 College Park, Dayton, OH 45409 and SNOEYENBOS, David R., P.O. Box 513, Chesterfield, MA 01012, akoziol1@udayton.edu, akoziol1@udayton.edu
14
147
BLUESCHIST-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 and JENKINS, David, Geological Sciences and Environmental Studies, Binghamton Univ, Binghamton, NY 13902-6000, abasora1@binghamton.edu, abasora1@binghamton.edu
15
148
PREDICTING THE FORMATION CONDITIONS OF THE TRIPLE-CHAIN SILICATE SODIC-CLINOJIMTHOMPSONITE
JENKINS, David, Geological Sciences and Environmental Studies, Binghamton Univ, Binghamton, NY 13902-6000 and AMS, Bridget E., Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902, dmjenks@binghamton.edu, dmjenks@binghamton.edu
16
149
ANALYSIS OF SPATIAL AND TEXTURAL RELATIONSHIPS AMONG ACCESSORY PHASES IN A LAYERED AMPHIBOLITE: IMPLICATIONS FOR TRACE-ELEMENT THERMOBAROMETRY AND GEOCHRONOLOGY
HUNT, Lindsey E., Dept. of Geology & Geophysics, Texas A&M University, College Station, TX 77840 and BERG, Christopher A., Department of Geosciences, University of West Georgia, 1601 Maple Street, Carrollton, GA 30118, lindseyelisehunt@gmail.com, lindseyelisehunt@gmail.com