152 Petrology, Igneous (Posters)

Presentations

• 8:00 AM
  STRUCTURAL ANALYSIS OF A LAVA-LIKE RHEOMORPHIC IGNIMBRITE: THE GREY'S LANDING IGNIMBRITE, TWIN FALLS, IDAHO, USA
  Graham Andrews, Univ of Leicester, Leicester, N/A and M.J. Branney, Univ of Leicester, Leicester, N/A and B. Bonnichsen, Idaho State Geol Survey, Moscow, ID and M. McCurry, Idaho State Univ, Pocatello, ID and M. Godchaux, Idaho State Geol Survey, Moscow, ID and T. Barry, Univ of Cardiff, Cardiff, N/A
  56576 (Technical Sessions)
• 8:00 AM
  THE SHERMAN CRATER ERUPTIVE PERIOD AT MOUNT BAKER, NORTH CASCADES--A.D. 1843 TO PRESENT--IMPLICATIONS FOR RESERVOIRS AT THE BASE OF THE VOLCANO
  Kevin M. Scott, US Geol Survey, Vancouver, WA and David S. Tucker, Western Washington Univ, Bellingham, WA
  57435 (Technical Sessions)
• 8:00 AM
  PETROGRAPHY AND CHARACTER OF THE BEDROCK SURFACE BENEATH WESTERN CAPE COD, MASSACHUSETTS
  Benjamin W. Hallett, U.S. Geol Survey, Woods Hole, MA and Lawrence J. Poppe, U.S. Geol Survey, Woods Hole, MA and Stephen Brand, CH2M Hill c/o IRP, Otis ANG Base, MA
  58444 (Technical Sessions)
• 8:00 AM
  RECONNAISSANCE GEOLOGY ALONG THE CENTRAL AXIS OF THE SIERRA MADRE OCCIDENTAL IN CHIHUAHUA, MEXICO
  Eric R. Swanson, The Univ of Texas at San Antonio, San Antonio, TX and Kirt Kempter, Santa Fe, NM, N/A
  58808 (Technical Sessions)
• 8:00 AM
  SR AND ND ISOTOPIC GEOCHEMISTRY OF PEGMATOID LAMPROITES FROM WALGIDEE HILLS, WEST KIMBERLEY, AUSTRALIA
  H. Mirnejad, Geological Survey of Canada, Ottawa, ON and K. Bell, Carleton Univ, Ottawa, ON and B. Kjarsgaard, Geological Survey of Canada, Ottawa, ON
  58953 (Technical Sessions)
• 8:00 AM
  PETROCHEMICAL CHARACTERISTICS OF THE QUATERNARY VOLCANIC ROCKS IN JEJU VOLCANIC ISLAND, KOREA
  María Sandoval and Sung-Hyo Yun, Pusan National Univ, Busan, N/A and Elisa Fitz-Diaz and Yuly Tatiana Valencia Morales and Jeong-Seon Koh, Pusan National Univ, Busan, N/A and Kennet Flores and Vanessa Colás and Bodo Weber and Mildred Zepeda-Martínez and Bernardo García-Amador and JUAN CASAS PEÑA and N. Betania Palacios-García and Nancy Riggs
  59183 (Technical Sessions)
• 8:00 AM
  CHARACTERISTICS OF THE DEBRIS AVALANCHE AT SIERRA LAS NAVAJAS, HIDALGO, MEXICO
  Megan Jones and Bruce Sherman, Tulane Univ, New Orleans, LA and Riliwan Abioye and Stephen Nelson, Tulane Univ, New Orleans, LA and Miguel Valencia and Ayobami Oladapo
  59458 (Technical Sessions)
• 8:00 AM
  GENESIS AND CONTAMINATION OF THE KODIAK BATHOLITH, KODIAK ISLAND, ALASKA: USING d18O TO QUANTIFY THE ASSIMILATED COMPONENT OF THE BATHOLITH
  Michael Hudgins and George Eric Tangalos, Carleton College, Northfield, MN and Morgan Schaller and David W. Farris, Univ of Southern California, Los Angeles, CA and Sean Kinney and John Valley, Univ of Wisconsin, Madison, WI and Peter Haeussler, USGS, Anchorage, AK and Bereket Haileab, Carleton College, Northfield, MN
  59536 (Technical Sessions)
• 8:00 AM
  SR-ND ISOTOPE COMPOSITIONS OF NORTHERN BLACK HILLS PALEOCENE-EOCENE IGNEOUS ROCKS: RELATIONSHIP TO CENTRAL MONTANA ALKALIC PROVINCE
  Genet I. Duke, SD School of Mines and Technology, Rapid City, SD and Carol Frost, Univ. of Wyoming, Laramie, WY
  60118 (Technical Sessions)
• 8:00 AM
  GEOCHEMISTRY AND PETROGENESIS OF THE REJUVENATED-STAGE LAVAS, AND STRUCTURE OF THE KOLEKOLE VOLCANIC CENTER, SOUTHWEST RIFT ZONE, EAST MAUI, HAWAII
  Nilanjan Chatterjee, Massachusetts Institute of Technology, Cambridge, MA and Bhattacharji Somdev, Brooklyn College of the City Univ of New York, Brooklyn, NY
  60653 (Technical Sessions)
• 8:00 AM
  GEOCHEMISTRY AND PETROGENESIS OF LAVAS FROM THE CASITAS SHIELD, VOLCAN CERRO AZUL, SOUTHERN VOLCANIC ZONE, CHILE
  Mollie K. Laird, Western Kentucky Univ, Bowling Green, KY and Andrew H. Wulff, Western Kentucky Univ, Bowling Green, KY
  60674 (Technical Sessions)
• 8:00 AM
  THE 1997 AND 2001 LAHARS OF POPOCATÉPETL VOLCANO (CENTRAL MEXICO): TEXTURAL AND SEDIMENTOLOGICAL EVIDENCE TO CONSTRAIN THEIR ORIGIN AND HAZARDS
  Lucia Capra, UNAM - Ciudad Univ, Mexico City, N/A and Miguel Angel Poblete, Universidad de Oviedo, Oviedo (Asturias), N/A and Raul Alvarado, UNAM, Mexico DF, N/A
  60713 (Technical Sessions)
• 8:00 AM
  CRUSTAL AND MANTLE SOURCES OF MAGMAS FROM THE SOLITARIO LACCOLITH/CALDERA COMPLEX, SOUTHWEST TEXAS
  Terry L. Spell, Univ of Nevada Las Vegas, Las Vegas, NV and Christopher D. Henry, Univ of Nevada Reno, Reno, N/A and Eric W. James, Univ Texas - Austin, Austin, TX
  61228 (Technical Sessions)
• 8:00 AM
  THE MINERALOGY OF MONOTONOUS BASALTIC ANDESITES OF THE CURRENT ERUPTION OF ARENAL VOLCANO, COSTA RICA: CONSTRAINTS FOR TIMING AND INTERACTION OF COMPOSITIONALLY CONTRASTING EVOLVED AND MAFIC MAGMAS
  Martin J. Streck, Portland State Univ, Portland, OR and Michael A. Dungan, Univ of Geneva, Geneva, N/A and Francois Bussy, Univ of Lausanne, Lausanne, N/A
  61529 (Technical Sessions)
• 8:00 AM
  EVOLUTION OF A PLIO-PLEISTOCENE EMERGENT TUFF CONE USING DETAILED STRATIGRAPHIC SECTIONS, WESTERN SNAKE RIVER PLAIN, IDAHO
  Brittany Dawn Brand, Boise State Univ, Boise, ID and Craig M. White, Boise State Univ, Boise, ID
  61695 (Technical Sessions)
• 8:00 AM
  STRUCTURE OF THE VOLCANCITO DOME, VOLCAN FUEGO DE COLIMA, MEXICO, REVEALED IN HIGH RESOLUTION MAGNETIC ANOMALIES
  Richard E. MacNeil, Univ of South Florida, Tampa, FL and Kristin T. Martin, Univ of South Florida, Tampa, FL and Jennifer N. Weller, Univ of South Florida, Tampa, FL and Sammantha Magsino, Department of Nat Rscs, Olympia, WA and Charles Connor, Univ of South Florida, Tampa, MD and Nick Varley, Universidad de Colima, Colima, N/A
  62132 (Technical Sessions)
• 8:00 AM
  COLLISION-RELATED VOLCANISM AND FAULTING IN ARMENIA
  Jennifer N. Weller, Univ of South Florida, Tampa, FL and Charles B. Connor, Univ of South Florida, Tampa, FL and Arkady Karakhanian, Armenian National Academy of Sciences, Yerevan, N/A
  62305 (Technical Sessions)
• 8:00 AM
  MAFIC INCLUSIONS IN MOUNT HOOD LAVAS: LINKS TO PARENTAL MAGMAS OF A LONG-LIVED ANDESITIC VOLCANO
  Melinda Woods, Portland State Univ, Portland, OR and Martin J. Streck, Portland State Univ, Portland, OR and Cynthia A. Gardner, USGS Cascades Volcano Observatory, Vancouver, WA
  62365 (Technical Sessions)
• 8:00 AM
  REDOX STATE, SULFUR FUGACITY AND GAS CHEMISTRY AT VOLCAN VILLARRICA, CHILE
  V.C. Kress, Univ of Washington, Seattle, WA and M.D. Ortiz, Univ of Washington, Seattle, WA and M.S. Ghiorso, Univ of Washington, Seattle, WA
  62392 (Technical Sessions)
• 8:00 AM
  LAYERING IN THE EARLY GABBROIC SERIES OF THE MIDCONTINENT RIFT SYSTEM: THE EFFECT OF MAGMA DENSITY
  Eric A. Jerde, Morehead State Univ, Morehead, KY
  62412 (Technical Sessions)
• 8:00 AM
  GEOCHEMICAL TRACING OF BASALT PROVINCES IN THE EARLY HISTORY OF THE YELLOWSTONE HOT SPOT
  Benjamin Kimball Harrison, Carleton College, Northfield, MN and Bereket Haileab, Carleton College, Northfield, MN
  62506 (Technical Sessions)
• 8:00 AM
  THE GEOCHEMISTRY OF THE GEOTHERMAL AND HYDROLOGIC SYSTEM OF THE SEPARATION CREEK DRAINAGE, THREE SISTERS AREA, CENTRAL OREGON CASCADES
  Matthijs C. van Soest, Lawrence Berkeley National Lab, Berkeley, CA and William C. Evans, U.S. Geol. Survey, Menlo Park, CA and Robert H. Mariner, U.S. Geol. Survey, Menlo Park, CA and B. Mack Kennedy, Lawrence Berkeley National Lab, Berkeley, CA and Mariek E. Schmidt, Oregon State Univ, Corvallis, OR
  62558 (Technical Sessions)
• 8:00 AM
  EVIDENCE FOR AN ANATECTIC ORIGIN OF EARLY TERTIARY GRANITIC PEGMATITES IN THE BLACK MOUNTAINS, DEATH VALLEY, CA
  Katherine F. Lee, Univ of Oregon, Eugene, OR
  62577 (Technical Sessions)
• 8:00 AM
  METHODS FOR COLLECTING WIND SPEED AND DIRECTION FOR USE IN CREATING TEPHRA-FALL DISTRIBUTION MAPS DURING VOLCANO HAZARDS ASSESSMENTS
  Alishia A. Wurgler, Portland State Univ, Portland, OR and John W. Ewert, USGS Cascade Volcano Observatory, Vancouver, WA
  62812 (Technical Sessions)
• 8:00 AM
  WHAT IS THE ORIGIN OF THE OIB-LIKE SIGNATURE IN PLIOCENE-RECENT COSTA RICAN ARC VOLCANIC ROCKS?
  Holly J. Nichols, University of Kiel-GEOMAR Forschungszentrum, Kiel, N/A and Kaj Hoernle, University of Kiel-GEOMAR Forschungszentrum, Kiel, N/A and Paul Bogaard, University of Kiel-GEOMAR Forschungszentrum, Kiel, N/A
  62958 (Technical Sessions)
• 8:00 AM
  ANISOTROPY OF MAGNETIC SUSCEPTIBILITY AND PALEOMAGNETIC DATA BEARING ON MAGMA EMPLACEMENT OF THE STODDARD MOUNTAIN LACCOLITH, IRON AXIS MAGMATIC PROVINCE, SOUTHWEST UTAH
  Michael Seth Petronis, Univ of New Mexico, Albuquerque, NM and David B. Hacker, Kent State Univ, Kent, OH and Daniel K. Holm, Kent State Univ, Kent, OH and Steve S. Harlan, George Mason Univ, Fairfax, VA and John W. Geissman, Univ of New Mexico, Albuquerque, NM
  63468 (Technical Sessions)
• 8:00 AM
  DEVELOPMENT OF THE YEMENI CENOZOIC VOLCANIC GROUP IN RELATION TO RIFT FORMATION
  Mohamed A. Mattash, Univ of Idaho, Moscow, ID and Ismail N. Al-Ganad, Geol Survey and Mineral Rscs Board, Sana'a, N/A and Shawki M. Nasr, Univ of Taiz, Taiz, N/A and Mohamed A. Al-Kadasi, Univ of Sana'a, Sana'a, N/A and Mustafa A. As-Saruri, EGI, Univ of Utah, Salt Lake City, UT
  63471 (Technical Sessions)
• 8:00 AM
  PETROGENESIS OF AMPHIBOLITES, GOLDSTEIN PEAK PENDANT, WESTERN SIERRA NEVADA BATHOLITH, CA
  Daniel M. Sturmer, California State Univ, Fullerton, Fullerton, CA and Diane Clemens-Knott, California State University, Fullerton, Fullerton, CA and Dolores A. van der Kolk, URS Corporation, Santa Ana, CA
  63527 (Technical Sessions)
• 8:00 AM
  CLAY MINERAL DEVELOPMENT ON TERRESTRIALLY DEPOSITED TEPHRAS
  Michelle M. Davidson, Univ of Cincinnati, Cincinnati, OH and Eric Wysong, Univ of Cincinnati, Cincinnati, OH and Reuben G. Bullard, Univ of Cincinnati, Cincinnati, OH and Chris Davis, Univ of Cincinnati, Cincinnati, OH and Teresa Davis, Univ of Cincinnati, Cincinnati, OH and Michael K. DeSantis, Univ of Cincinnati, Cincinnati, OH and Rebecca Hamilton, Univ of Cincinnati, Cincinnati, OH and Warren D. Huff, Univ of Cincinnati, Cincinnati, OH and Ana Cristina Londono, Univ of Cincinnati, Cincinnati, OH and Brendan Merk, Univ of Cincinnati, Cincinnati, OH
  63635 (Technical Sessions)
• 8:00 AM
  THE GEOLOGY OF DOMINICA, LESSER ANTILLES
  Alan L. Smith, California State Univ, San Bernardsino, CA and Omar Pacheco, California State Univ, San Bernardsino, CA and M. John Roobol, Saudi Geol Survey, Jeddah, N/A and Amber Rheubottom, California State Univ, San Bernardsino, CA and Jessica Kirkley, California State Univ, San Bernardsino, CA and Zachary Freeman, California State Univ, San Bernardsino, CA and Kyle Karnes, California State Univ, San Bernardsino, CA and Irma Hinojosa, California State Univ, San Bernardsino, CA and Henry Stultz, California State Univ, San Bernardsino, CA and Samantha Harris, California State Univ, San Bernardsino, CA
  63648 (Technical Sessions)
• 8:00 AM
  AN INVESTIGATION OF THE GRANITES AND RHYOLITES OF THE WICHITA MOUNTAINS IGNEOUS PROVINCE, SOUTHWESTERN OKLAHOMA USING SEM-CL: TEXTURAL FEATURES OF QUARTZ CRYSTALS REFLECT CRYSTALLIZATION HISTORIES
  Evelyn Tennison, Southern Methodist University, Dallas, TX and Juergen Schieber, Indiana Univ, Bloomington, IN
  63761 (Technical Sessions)
• 8:00 AM
  PHREATOMAGMATIC FORMATION OF POLYPHASE CLASTIC DIKES, MOERAKI PENINSULA, SOUTH ISLAND, NEW ZEALAND
  Benjamin J. Andrews, Univ of Alaska Fairbanks, Fairbanks, AK
  64343 (Technical Sessions)
• 8:00 AM
  DYNAMICS OF THE HISTORICAL MT. ETNA MAGMA PLUMBING SYSTEM: EVIDENCE FROM TH DISEQUILIBRIA, SR ISOTOPE MICROSAMPLING, AND CRYSTAL SIZE DISTRIBUTION DATA
  Wendy A. Bohrson, Central Washington Univ, Ellensburg, WA and Frank J. Spera, University of California Santa Barbara, Santa Barbara, CA and David W. Graham, Corvallis, OR and Tracey Herrera, UCLA, Los Angeles, CA and Frank C. Ramos, Washington State Univ, Pullman, WA and Frank Tepley, UCSC, Santa Cruz, CA
  64587 (Technical Sessions)
• 8:00 AM
  REMOTE SENSING AND GIS EVALUATION OF CO2-INDUCED TREE KILLS AT MAMMOTH MOUNTAIN, CALIFORNIA: 1989 TO PRESENT
  Mark R. List, California State Univ, Sacramento, Sacramento, CA and Brian P. Hausback, CSUS, Sacramento, CA and Christopher D. Farrar, US Geol Survey, Carnelian Bay, CA and David C. Pieri, Jet Propulsion Lab, Pasadena, CA
  64762 (Technical Sessions)
• 8:00 AM
  TRACE ELEMENT VARIATIONS WITHIN THE NORTHERN PENINSULAR RANGES BATHOLITH, SOUTHERN CALIFORNIA
  Benjamin L. Clausen, Geoscience Res Inst and Nat Sci Dept, Loma Linda Univ, Loma Linda, CA and Douglas M. Morton, Univ of California, Riverside, CA and Ronald W. Kistler, Menlo Park, CA
  64873 (Technical Sessions)
• 8:00 AM
  MINERALOGIC AND 40AR/39AR ANALYSIS OF LAYERED MAFIC CUMULATES, WESTERN SIERRA NEVADA BATHOLITH, CA
  Michelle D. Slopko, California State Univ Fullerton, Fullerton, CA and Diane Clemens-Knott, California State Univ Fullerton, Fullerton, CA and Alexander Iriondo, Univ of Colorado at Boulder, Boulder, CO
  65425 (Technical Sessions)
• 8:00 AM
  EMPIRICAL GARNET THERMOBAROMETER FOR MANTLE PERIDOTITES
  Igor Victorovich Ashchepkov, United Institute of Geology Geophysics and Mineralogy, Novosibirsk, N/A
  65507 (Technical Sessions)
• 8:00 AM
  DACITIC MAGMAS AS THE PRODUCT OF UPPER CRUSTAL MELTING AT LONG-LIVED VOLCANIC COMPLEXES: VOLCÁN AUCANQUILCHA, CENTRAL ANDES OF NORTHERN CHILE
  Erik W. Klemetti, Oregon State University, Corvallis, OR and Anita L. Grunder, Oregon State University, Corvallis, OR
  66271 (Technical Sessions)
• 8:00 AM
  INPUTS OF TEPHRA AND SULFURIC ACID TO AN ANCIENT GREAT PLAINS PLAYA (OLIGOCENE OF NEBRASKA)
  David B. Loope, Univ Nebraska - Lincoln, Lincoln, NE and Joseph A. Mason, Univ of Nebraska, Lincoln, NE and Huiming Bao, Louisiana State Univ, Baton Rouge, LA and Richard M. Kettler, Univ Nebraska - Lincoln, Lincoln, NE and C. William Zanner, Univ of Nebraska, Lincoln, NE
  66328 (Technical Sessions)
• 8:00 AM
  TECTONIC SETTING OF BASALT MAGMATISM ALONG LEFT LATERAL FAULTS IN JOSHUA TREE NATIONAL PARK, SOUTHERN CALIFORNIA
  Kelly R. Probst, Indiana Univ~Purdue Univ at Indianapolis, Indianapolis, IN and Andrew P. Barth, Indiana Univ-Purdue Univ, Indianapolis, Indianapolis, IN
  66343 (Technical Sessions)
• 8:00 AM
  STRUCTURAL AND MORPHOLOGIC ZONES OF CHANNEL-LEVEE SYSTEMS IN LABORATORY SIMULATED FLOWS
  W. Brent Garry, University at Buffalo, State University of New York, Buffalo, NY and Tracy Gregg, University at Buffalo, State University of New York, Buffalo, NY
  66369 (Technical Sessions)
• 8:00 AM
  PETROLOGY OF THE MARION DUFRESNE BASALTIC SECTION IN THE SOUTH-CENTRAL PLATEAU CENTRAL OF THE KERGUELEN ARCHIPELAGO, SOUTHEAST INDIAN OCEAN
  Heidi Annell, University of British Columbia, Vancouver, BC and Dominique Weis, Univ of British Columbia, Vancouver, BC and James S. Scoates, University of British Columbia, Vancouver, BC and André Giret, Université Jean-Monnet, Saint-Étienne, N/A
  66365 (Technical Sessions)
• 8:00 AM
  U-PB ZIRCON AGES FOR HIGH-SILICA GRANITES IN THE CENTRAL SIERRA NEVADA BATHOLITH: IMPLICATIONS FOR CRUSTAL GENERATION IN CONTINENTAL ARCS
  Jennifer M. Wenner, Univ of Wisconsin-Oshkosh, Oshkosh, WI and Drew S. Coleman, Univ of North Carolina, Chapel Hill, NC
  66508 (Technical Sessions)
• 8:00 AM
  HIGH SULFUR CONCENTRATIONS FROM OLIVINE-HOSTED ABSAROKITE MELT INCLUSIONS, CASCADE RANGE, OREGON: SIGNS OF AN OXIDIZED SOURCE?
  Michael C. Rowe, Oregon State Univ, Corvallis, OR and Roger L. Nielsen, Oregon State Univ, Corvallis, OR and Adam Kent, Oregon State Univ, Corvallis, OR
  66973 (Technical Sessions)
• 8:00 AM
  DIAMONDIFEROUS VOLCANICLASTICS OF THE BUFFALO HEAD HILLS KIMBERLITES, NORTHERN ALBERTA, CANADA
  Liane P. Boyer, Univ of British Columbia, Vancouver, BC and Tom E. McCandless, Ashton Mining of Canada, Inc, North Vancouver, BC and Richard M. Tosdal, Univ of British Columbia, Vancouver, BC and J.K. Russell, Univ of British Columbia, Vancouver, BC
  67014 (Technical Sessions)
• 8:00 AM
  GEOCHEMICAL EVIDENCE FOR PULSED MAGMA AND FLUID INTERACTION IN THE MILE 91 PERIDOTITE, GRAND CANYON, USA: IMPLICATIONS FOR INTERPRETATION OF PROTEROZOIC TECTONIC SETTING
  P.C. Low, Univ of Massachusetts, Amherst, MA and S.J. Seaman, Univ of Massachusetts, Amherst, MA and M.J. Jercinovic, Univ of Massachusetts, Amherst, MA and M.L. Williams, Univ of Massachusetts, Amherst, MA
  67657 (Technical Sessions)
• 8:00 AM
  GEOCHEMISTRY, GEOCHRONOLOGY, AND PETROLOGY OF A VOLCANIC ASH LAYER ASSOCIATED WITH THE TUFF OF SAGUACHE CREEK, EASTERN SAN JUAN VOLCANIC FIELD, SOUTHERN COLORADO
  Matthew D. Young, Colorado School of Mines, Golden, CO and Richard F. Wendlandt, Colorado School of Mines, Golden, CO
  67772 (Technical Sessions)
• 8:00 AM
  GEOLOGY OF VOLCÁN DARWIN, ISABELA ISLAND, GALÁPAGOS ARCHIPELAGO
  Terry R. Naumann, Univ of Alaska Anchorage, Anchorage, AK and Katherine Gibler-Moore, Univ of Alaska Anchorage, Anchorage, AK and Lisa K. Nelson, N/A
  67974 (Technical Sessions)