2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 33 Sunday, 18 October 2009
9:00 AM-6:00 PM, Oregon Convention Center: Hall A

Petrology, Igneous (Posters)

Authors will be present from 4 to 6 PM
 Paper #Booth #
33-1173EXPERIMENTAL INVESTIGATION OF AN-DI PHASE EQUILIBRIA AT 1-ATM, A COLLABORATIVE COURSE PROJECT: KELLEY, Janetta1, ZYLA, Adam1, and SCHWAB, Brandon Edward2, (1) Geology, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, beulablue21@gmail.com, (2) Department of Geology, Humboldt State University, Arcata, CA 95521
33-2174PRELIMINARY RESULTS FROM 1.5 GPa PARTIAL MELTING EXPERIMENTS USING FER-A AND FER-E PERIDOTITE COMPOSITIONS AND VITREOUS CARBON SPHERES: BARR, Mary Alice, Geology, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, marybarr02@hotmail.com and SCHWAB, Brandon Edward, Department of Geology, Humboldt State University, Arcata, CA 95521
33-3175A NEW GLOBAL DATABASE OF GEOCHEMICAL ANALYSES OF SEAFLOOR VOLCANIC GLASSES: JENNER, Frances1, O'NEILL, Hugh St.C.1, MAVROGENES, John A.2, and ARCULUS, Richard J.1, (1) Research School of Earth Sciences, The Australian National Univ, ACT, Canberra, 0200, Australia, frances.jenner@anu.edu.au, (2) Geology Department and Reserch School of Earth Sciences, The Australian National Univ, ACT, Canberra, 0200, Australia
33-4176CRYSTAL SIZE DISTRIBUTIONS (CSDs) IN A BASALTIC FLOW AT THE SMALL HASANDAG VOLCANO, CENTRAL TURKEY: COMPARISON OF CALCULATED RESIDENCE TIMES WITH PLAGIOCLASE AND CLINOPYROXENE CRYSTALS: USTUNISIK, Gokce K., Geology, University of Cincinnati, 500 Geology/Physics Building, Cincinnati, OH 45221-0013, ustunigk@email.uc.edu and KILINC, Attila, Department of Geology, University of Cincinnati, Cincinnati, OH 45221
33-5177GEOCHEMISTRY AND PETROLOGY OF LATE EOCENE CASCADE HEAD AND YACHATS BASALTS AND ALKALIC INTRUSIONS OF THE CENTRAL OREGON COAST RANGE, U.S.A: PARKER, Don F.1, HODGES, Floyd N.1, PERRY, Anna1, MITCHENER, Michael E.1, BARNES, Melanie A.2, and REN, Minghua3, (1) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, Don_Parker@baylor.edu, (2) Department of Geosciences, Texas Tech University, Lubbock, TX 79409, (3) Dept. of Geological Sciences, Univ of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968
33-6178PETROLOGY AND GEOCHEMISTRY OF BASALTIC PILLOW LAVAS IN TETON CANYON, IDAHO, U.S.A: JORDAN, Benjamin R., EMBREE, Glenn F., MOORE, Dan K., ARD, Meesha, and SANT, Christopher J., Department of Geology, Brigham Young University-Idaho, Rexburg, ID 83460, jordanb@byui.edu
33-7179ORIGINS OF COMPOSITIONAL VARIATIONS IN SMALL VOLUME BASALTS: ELEMENTAL, ISOTOPIC AND MELT INCLUSION EVIDENCE FROM THE ICE SPRINGS BASALT FLOW, UTAH: THOMPSON, Jay M.1, PEATE, David1, ROWE, Michael C.2, and UKSTINS PEATE, Ingrid1, (1) Dept. of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, jay-thompson@uiowa.edu, (2) School of Earth and Environmental Sciences, Washington State University, Pullman, WA 99164
33-8180EMPLACEMENT MECHANISMS AND PETROLOGIC CHARACTERISTICS OF BASALT FLOWS OF THE BLACK GAP SYNCLINE, WEST TEXAS: D'ERRICO, Megan, Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, mderrico@trinity.edu, SURPLESS, Benjamin, Geosciences, Trinity University, 1 Trinity Place, San Antonio, TX 78212, and SMITH, Diane, GSA Sections, 1 Trinity Pl, Trinity University, San Antonio, TX 78212
33-9181PETROGENESIS OF THE RATON-CLAYTON VOLCANIC FIELD, NORTHEASTERN NEW MEXICO: WEGERT, Daniel J.1, EDLIN, David K.1, and PARKER, Don F.2, (1) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76706-7354, daniel_wegert@baylor.edu, (2) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354
33-10182GEOCHEMISTRY OF VOLCANIC ROCKS FROM THE MOUNT TAYLOR VOLCANIC FIELD, AND COMPARISON WITH THE NEARBY JEMEZ MOUNTAINS: FELLAH, Kamilla, School of Earth and Environmental Sciences, Washington State University, 445 NE Kamiaken, Apt B, Pullman, WA 99163, klfellah@gmail.com, WOLFF, John A., School of Earth and Environmental Sciences, Washington State University, Pullman, WA 99164-2812, and GOFF, Fraser, Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131
33-11183FOSSIL FUMAROLIC PIPES IN THE TSHIREGE MEMBER OF THE BANDELIER TUFF: CAPORUSCIO, Florie A.1, GARDNER, Jamie N.2, SCHULTZ-FELLENZ, Emily S.3, and KELLEY, Richard E.3, (1) Earth and Environmental Sciences Division, Los Alamos National Laboratory, MS-J514, Los Alamos, NM 87545, floriec@lanl.gov, (2) Gardner Geoscience, 14170 Hwy 4, Jemez Springs, NM 87025, (3) Earth and Environmental Sciences Division, Los Alamos National Laboratory, MS D452, Los Alamos, NM 87545
33-12184TRACKING THE EVOLUTION OF MID CENOZOIC SILICIC MAGMA SYSTEMS IN THE SOUTHERN CHOCOLATE MOUNTAINS REGION, CALIFORNIA USING ZIRCON GEOCHEMISTRY AND QUARTZ AND ZIRCON GEOTHERMOMETRY: NEEDY, S.K., Geological Sciences, University of Alabama, Tuscaloosa, AL 35487, sneedy@crimson.ua.edu, BARTH, A.P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202, JACOBSON, C.E., Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212, MAZDAB, F.K., Tucson, AZ 85721, and WOODEN, J.L., U.S Geological Survey, Menlo Park, CA 94025
33-13185OCCURRENCE AND DISTRIBUTION OF RHYOLITE MAGMA TYPES IN NE OREGON DURING JOHN DAY TIME: RICKER, Christopher1, STRECK, Martin J.1, and FERNS, Mark L.2, (1) Dept. of Geology, Portland State University, Portland, OR 97207, cricker@pdx.edu, (2) Oregon Department of Geology and Mineral Industries, Baker City, OR 97814
33-14186REGIONAL MAGMATIC SETTING OF CALLAQUI VOLCANO (S-ANDES, CHILE): REA, James C., Department of Earth & Environmental Sciences, Wesleyan University, WesBox 92112, 45 Wyllys Ave, Middletown, CT 06459, jrea@wesleyan.edu, VAREKAMP, Johan C., Department of Earth & Environmental Sciences, Wesleyan University, 265 Church Street, Middletown, CT 06459, MANDEVILLE, Charles, Earth & Planetary Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192, GOSS, Adam R., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, and COLVIN, Anna, GeoGlobal Energy LLC, Santa Rosa, CA 95401
33-15187HABs, PICRITES AND MORE: EMERGING DETAILS ON MAGMATIC PROCESSES AT PRIMITIVE ARC VOLCANOES IN THE SOUTHERN MARIANAS: KOHUT, Edward, Geological Sciences, University of Delaware, 103 Penny Hall, Newark, DE 19716, ekoh@udel.edu, TAMURA, Yoshihiko, Ifree, JAMSTEC, 2-15 Natsushima-cho, Yokosuka, 237-0061, Japan, and STERN, Robert, Department of Geosciences, Univ of Texas at Dallas, P.O. Box 830688, MS FO21, Richardson, TX 75083-0688
33-16188THE ORIGIN OF TRACHYTE AND THE “DALY GAP” AT PANTELLERIA, ITALY: WHITE, John Charles, Department of Geography & Geology, Eastern Kentucky University, 521 Lancaster Ave, Roark 103, Richmond, KY 40475, john.white@eku.edu, PARKER, Don F., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, and REN, Minghua, Department of Geological Sciences, University of Texas at El Paso, El Paso, TX 79902
33-17189A REVISED PETROGENIC HISTORY FOR THE LATE PALEOZOIC FELSIC VOLCANIC ROCKS OF THE HARVEY FORMATION, SOUTHERN NEW BRUNSWICK, CANADA: GRAY, Taryn R., HANLEY, Jacob, and DOSTAL, Jaroslav, Geology, Saint Mary's University, 923 Robie St, Halifax, NS B3H 3C3, Canada, Taryn.Gray@smu.ca
33-18190PETROLOGY OF ORE-RELATED INTRUSIVE ROCKS IN MAHERABAD PORPHYRY CU-AU PROSPECT AREA, EAST OF IRAN: MALEKZADEH SHAFAROUDI, Azadeh, Department of Geological Sciences, Ferdowsi University of Mashhad, Iran, Research Center for Ore Deposit of Eastern Iran, Ferdowsi University of Mashhad, Iran, Mashhad, 1436-91775, Iran, aza_malek@yahoo.com, KARIMPOUR, Mohammad H., Department of Geological Sciences, Ferdowsi University of Mashhad, Iran, and University of Colorado at Boulder, Boulder, CO 80309, STERN, Charles, Department of Geological Sciences, University of Colorado, Boulder, CO 80309, and STERN, Charles R., Department of Geological Sciences, University of Colorado, Department of Geological Sciences, University of Colorado, CB-399, Boulder, Co 80309-399, Boulder, CO 80309
33-19191GEOLOGY AND PETROLOGY OF TWO DISTINCT TYPES OF GRANITOIDS, EASTERN NAJMABAD, GHONABAD, IRAN: KARIMPOUR, Mohammad H.1, STERN, Charles R.2, FARMER, G. Lang2, and MORADI, Mehrab3, (1) Department of Geological Sciences, Ferdowsi University of Mashhad, Iran, Boulder, CO 80309, mhkarimpour@yahoo.com, (2) Department of Geological Sciences, University of Colorado, Department of Geological Sciences, University of Colorado, CB-399, Boulder, Co 80309-399, Boulder, CO 80309, (3) Department of Geological Sciences, Ferdowsi University of Mashhad, Iran, Mashhad, 1436-91775, Iran, mehrabmoradi61@gmail.com
33-20192THERMOBAROMETRY OF MALAYER S-TYPE GRANITES, WESTERN IRAN: AHADNEJAD, Vahid and VALIZADEH, Mohammad Vali, Department of Geology, University College of Science, University of Tehran, 16th Azar St., Tehran, Iran, Tehran, 0098, Iran, ahadnejad@khayam.ut.ac.ir
33-21193DETRITAL U-PB ZIRCON DATING OF GRANITOIDS IN THE SOURSAT COMPLEX(NW IRAN): JAMSHIDI BADR, Mahboobeh, COLLINS, Alan.S, MASOUDI, Fariborz, and MAHRABI, Behzad, Geology, Tarbiat Moalem University, 49, Mofateh Ave, Tehran. Iran, Tehran, Iran, m_jamshidi@tmu.ac.ir
33-22194HIGH PRECISION U-PB GEOCHRONOLOGY OF THE FANGSHAN PLUTON, BEIJING, CHINA: IMPLICATION FOR THE INCREMENTAL GROWTH OF ZONED PLUTONS: ZHANG, Tao, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, taozhang@usc.edu, PATERSON, Scott R., Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, MUNDIL, Roland, Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, and HE, Bin, Key lab of isotope geochronology and geochemistry, Guangzhou institute of Geochemistry, China Academy of Science, Guangzhou, 510640
33-23195EXAMINATION OF A VOLCANIC-PLUTONIC CONTACT IN A TILTED MAGMATIC ARC CRUSTAL SECTION IN SOUTHWESTERN MONGOLIA: MACGILLIVRAY, Holly M.1, ECONOMOS, Rita2, and PATERSON, Scott1, (1) Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, hmacgill@usc.edu, (2) Department of Earth Sciences, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202
33-24196ZIRCON, XENOTIME AND MONAZITE STABILITY IN EVOLVING PEGMATITE FLUIDS: IMPLICATIONS FOR GEOCHRONOMETER STABILITY IN IGNEOUS AND METAMORPHIC SYSTEMS: HETHERINGTON, Callum J., Department of Geosciences, Texas Tech University, Box 41053, Lubbock, TX 79409-1053, callum.hetherington@ttu.edu
33-25197PUNA GRANITIC PLUTONISM AS POSSIBLE NORTHERN CONTINUATION OF THE LATE PALEOZOIC–EARLY TRIASSIC MAGMATIC ARC FROM THE FRONTAL CORDILLERA, ARGENTINA: POMA, Stella1, QUENARDELLE, Sonia1, and KOUKHARSKY, Magdalena2, (1) Ciencias Geológicas, Facultad de Cs Exactas y Naturales, Universidad de Buenos Aires, I. Guiraldes 2160, Buenos Aires, 1428, Argentina, stella@gl.fcen.uba.ar, (2) Ciencias Geologicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), I. Guiraldes 2160, Buenos Aires, 1428, Argentina
33-26198COMPARISON BETWEEN ROOF DIKES AND EQUIVALENT INTRUSIVE ROCKS FROM THE WOOLEY CREEK BATHOLITH AND THE SLINKARD PLUTON, KLAMATH MOUNTAINS, CALIFORNIA: A LASER ABLATION ICP-MS STUDY OF AUGITE: COINT, Nolwenn, Department of Geosciences, Texas Tech University, Lubbock, TX 79409, nolwenn.coint@ttu.edu and BARNES, Calvin G., Geosciences, Texas Tech, Lubbock, TX 79409-1053
33-27199THERMAL AND MAGMATIC EVOLUTION OF A CALC-ALKALIC BATHOLITH RECORDED IN ELEMENTAL AND ISOTOPIC COMPOSITIONS OF SILICATE MINERAL ASSEMBLAGES: BIG BEAR LAKE INTRUSIVE SUITE, SAN BERNARDINO MOUNTAINS, CALIFORNIA: BARTH, A.P.1, WOODEN, J.L.2, MUELLER, P.A.3, KAMENOV, G.D.3, and MAZDAB, F.K.4, (1) Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202, ibsz100@iupui.edu, (2) Stanford University, Stanford, CA 94305, (3) Department of Geological Sciences, University of Florida, Gainesville, FL 32611, (4) Tucson, AZ 85721
33-28200PETROLOGY AND GEOCHEMISTRY OF THE MELROSE STOCK, EAST CENTRAL NEVADA: EL-SHAZLY, Aley K., NAPIER, Jeffrey, and SANDERSON, Dewey, Geology Department, Marshall University, Huntington, WV 25725, elshazly@marshall.edu
33-29201PETROLOGY OF THE IGNEOUS ROCKS OF SAWTELL PEAK, IDAHO, U.S.A: MOORE, Dan K., JORDAN, Benjamin R., WOOD, Rebekah E., SANT, Christopher J., and MILLER, Barry C., Department of Geology, Brigham Young University-Idaho, Rexburg, ID 83460, moored@byui.edu
33-30202GEOCHEMISTRY OF THE LATE JURASSIC QUARTZ MOUNTAIN STOCK, MANASTASH INLIER, CENTRAL CASCADES, WASHINGTON: IMPLICATIONS FOR ITS TECTONIC SETTING: MACDONALD, James H. Jr, Marine and Ecological Sciences, Florida Gulf Coast State University, 10501 FGCU Boulevard South, Fort Myers, FL 33965, jmacdona@fgcu.edu, MILLER, Robert B., Geology Department, San Jose State University, One Washington Square, San Jose, CA 95192, SCHOONMAKER, Adam, Geosciences, Utica College, 175 Gordon Hall, 1600 Burrstone Road, Utica, NY 13502, adschoonmaker@utica.edu, and HARPER, Gregory D., Earth and Atmospheric Science, University at Albany, Albany, NY 12222
33-31203GRANITIC ADAKITE PLUTONS AND BIMODAL VOLCANISM IN A COLLISIONAL TERRANE SUTURE ZONE, NORTHERN TALKEETNA MOUNTAINS, ALASKA: COLE, Ronald B., Department of Geology, Allegheny College, 520 N. Main Street, Meadville, PA 16335, ron.cole@allegheny.edu, STEWART, Brian W., Department of Geology & Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260, and LAYER, Paul, Department of Geology and Geophysics, Univ of Alaska Fairbanks, Fairbanks, AK 99701
33-32204GEOCHEMISTRY, AGE, AND DEFORMATION OF EOCENE SLAB WINDOW INTRUSIONS IN A REMNANT FOREARC BASIN, MATANUSKA VALLEY, SOUTHERN ALASKA: FITZGERALD, Sean1, SCHWARTZ, Theresa M.1, FLANAGAN, Daniel M.2, HUNG, Chien-Hui3, CHUNG, Sun-Lin3, and COLE, Ronald B.1, (1) Department of Geology, Allegheny College, Meadville, PA 16335, deftones2141@gmail.com, (2) Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, (3) Department of Geosciences, National Taiwan University, PO Box 13-318, Taipei, 106, Taiwan
33-33205MID-PROTEROZOIC GRANITES OF THE LLANO UPLIFT: VARIED SOURCES AS REFLECTED BY STABLE ISOTOPES: RANGEL, Evelyn1, RICHARDS, Ian2, FERGUSON, Kurt3, and GREGORY, Robert T.2, (1) Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275, geodork54@yahoo.com, (2) Stable Isotope Laboratory, Southern Methodist University, 3225 Daniel Avenue, Dallas, TX 75275, (3) Stable Isotope Laboratory, Southern Methodist University, Dallas, TX 75275
33-34206CAN HORNBLENDE BAROMETRY RESOLVE DIFFERENTIAL UPLIFT ACROSS THE MOUNT WHITNEY REGION, EASTERN SIERRA NEVADA, CALIFORNIA?: HIRT, William H., Natural Sciences, College of the Siskiyous, 800 College Avenue, Weed, CA 96094, hirt@siskiyous.edu
33-35207THE ORIGIN OF DUNITE AND HARZBUGITE ENCLAVES IN LAYERED CUMULATES OF THE NINTYONE MILE CREEK CANYON PERIDOTITE, GRAND CANYON, USA: LOW, P.C., Department of Geology, Washington and Lee University, Science Addition, Lexington, VA 24450, lowp@wlu.edu, SEAMAN, Sheila J., Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003, and KARLSTROM, Karl E., Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131
33-36208CYCLICAL PHASE LAYERING IN THE DULUTH COMPLEX AT DULUTH – EVIDENCE FOR PERIODIC MAGMA VENTING FROM A SHALLOW STAGING CHAMBER: STIFTER, Eric A. and MILLER, James D. Jr, Department of Geological Sciences, University of Minnesota Duluth, Duluth, MN 55812, stift010@d.umn.edu
33-37209NOMARSKI DIFFERENTIAL INTERFERENCE CONTRAST (NDIC) ANALYSIS OF MOUNT ETNA PLAGIOCLASE THROUGH HISTORICAL TIME AND ITS POSSIBLE IMPLICATIONS FOR VARIATION IN MAGMATIC PLUMBING: MOSES, Maureen N. and BOHRSON, Wendy A., Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926, maureennmoses@gmail.com
33-38210ASSEMBLY AND FRAGMENTATION OF THE PROTEROZOIC SUPERCONTINENTS COLUMBIA AND RODINIA: NEW U-PB AGE DATA FROM THE EASTERN GHATS BELT, INDIA: KUMAR, K. Vijaya, Geological and Environmental Sciences, Stanford University, Bldg. 320, Room 118, Stanford, CA 94305-2115, vijay_kumar92@hotmail.com, ERNST, W.G., Geological and Environmental Sciences, Stanford University, Building 320, Room 118, Stanford, CA 94305-2115, LEELANANDAM, C., Geology, Osmania University, Tarnaka, Hyderabad, 500 017, India, WOODEN, Joseph L., USGS-Stanford Ion Microprobe Laboratory, Stanford University, Stanford, CA 94305, and GROVE, Marty J., Geological and Environmental Sciences, Stanford University, Stanford, CA 94305
33-39211GEOCHEMICAL EVOLUTION OF THE COBB HOTSPOT: CHADWICK, John, Geography and Earth Sciences, University of North Carolina at Charlotte, McEniry Hall, Charlotte, NC 28223, djchadwi@uncc.edu, KELLER, Randall, Geosciences, Oregon State University, Corvallis, OR 97331, and KAMENOV, George, Department of Geological Sciences, University of Florida, Gainesville, FL 32611
33-40212CHEMICAL AND STRUCTURAL ANALYSIS OF THE LOWER CRESCENT FORMATION AT MT. TEBO AND LAKE CUSHMAN, OLYMPIC PENINSULA, WASHINGTON: EVIDENCE FOR TERTIARY RIFTING: SMITH, Elizabeth A.1, WALDRON, Emily M.1, and CLARK, Kenneth P.2, (1) Geology, University of Puget Sound, 3402 North Seventh Street, Tacoma, WA 98406, smielizabeth@gmail.com, (2) Geology, University of Puget Sound, 1500 North Warner, Tacoma, WA 98416

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