Session No. 224 Wednesday, October 30, 2002

1:30 PM-5:30 PM, Colorado Convention Center: Exhibit Hall
Volcanology (Posters)
 Paper #Booth #
224-166REMOTE 3-D SURFACE MAPPING OF HYDROTHERMALLY WEAKENED ROCK AT MOUNT HOOD, OREGON: IMPLICATIONS FOR VOLCANIC HAZARDS: SLADEK, Jessie M. and NUSBAUM, Robert, Geology and Environmental Geosciences, College of Charleston, Charleston, SC 29401, Smyle22@aol.com
224-267MAPPING HYDROTHERMAL MINERALS AT THREE SISTERS VOLCANOES, OREGON USING HYPERSPECTRAL IMAGERY: TURGEON, Diane, Geology and Environmental Geosciences, College of Charleston, Charleston, SC 20401, dhturgeo@edisto.cofc.edu and NUSBAUM, Robert, Geology and Environmental Geosciences, College of Charleston, Charleston, SC 29401
224-368A CIRCA A.D. 1781 ERUPTION AND LAHAR'S AT MOUNT HOOD, OREGON—EVIDENCE FROM TREE-RING DATING AND FROM OBSERVATIONS OF LEWIS AND CLARK IN 1805-6: PRINGLE, Patrick T., Washington Dept. of Natural Resources, Div. of Geology, PO Box 47007, Olympia, WA 98504-7007, pat.pringle@wadnr.gov, PIERSON, Thomas C., U.S. Geol Survey, Cascades Volcano Observatory, 1300 S.E. Cardinal Court #100, Vancouver, WA 98683-9589, and CAMERON, Kenneth A., 14222 SE Laurie Ave, Milwaukie, OR 97267
224-469COMPUTATIONAL IDENTIFICATION OF VOLCANIC VENT ALIGNMENTS IN THE PACIFIC NORTHWEST: SOULE, S.A., Dept. of Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, ssoule@gladstone.uoregon.edu, CASHMAN, Katharine V., Univ Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, and HEMPHILL-HALEY, M.A., Dept. of Geology, Humboldt State Univ
224-570AN INTER-ERUPTIVE CONDUIT MODEL OF THE SUMMER 1980 ERUPTIVE SEQUENCE AT MT. ST. HELENS: MCCONNELL, Siobhan and CASHMAN, Katharine V., Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403, siobhan179@hotmail.com
224-671IS LONG VALLEY CALDERA PART OF THE EASTERN CALIFORNIA SHEAR ZONE? SOME ANSWERS FROM HYPERSPECTRAL IMAGING: MARTINI, Brigette A., Earth Science Department, UCSC, 1156 High St, Santa Cruz, CA 95064, bmartini@es.ucsc.edu and SILVER, Eli A., Earth Science Department, Univ California - Santa Cruz, 1156 High St, Santa Cruz, CA 95064-1077
224-772POSTGLACIAL GEOLOGIC PROCESSES IN NORTHERN YELLOWSTONE LAKE: JOHNSON, Samuel Y., U.S. Geol Survey, MS 966, Box 25046, DFC, Denver, CO 80225, sjohnson@usgs.gov, STEPHENSON, William J., U.S. Geol Survey, Box 25046, MS 966, Denver, CO 80225, MORGAN, Lisa A., US Geol Survey, PO Box 25046, Denver, CO 80225-0046, SHANKS, W.C. III, U.S. Geol Survey, Box 25046, DFC, Denver, CO 80225, and PIERCE, Kenneth L., US Geol Survey, PO Box 173492, Bozeman, MT 59717-3492
224-873DIVERSE RHYOLITES CLOSELY ASSOCIATED IN SPACE AND TIME, WESTERN SNAKE RIVER PLAIN: BOROUGHS, Scott P.1, WOLFF, John A.1, BONNICHSEN, Bill2, GODCHAUX, Martha M.3, LARSON, Peter B.1, and HICKES, Hunter1, (1) Geology, Washington State Univ, PO Box 642812, Pullman, WA 99163-2812, entoptics@turbonet.com, (2) Idaho Geol Survey, Morrill Hall Rm 332, Moscow, ID 83844-3014, (3) Geology, Mount Holyoke College, South Hadley, MA
224-974SYLVANITE INTRUSIVE COMPLEX, LITTLE HATCHET MOUNTAINS, HIDALGO COUNTY, SOUTHWESTERN NEW MEXICO: KIRKPATRICK, Leyla D. and MCMILLAN, Nancy J., Geological Sciences, New Mexico State Univ, Dept. 30001, Box 3AB, Las Cruces, NM 88003, ldkirkpatrick@hotmail.com
224-1075PRELIMINARY 40AR/39AR AGE CONSTRAINTS FOR THE UVALDE IGNEOUS INTRUSIONS WEST OF SAN ANTONIO, TEXAS: MIGGINS, Daniel, USGS, MS 974, DFC, Denver, CO 80225, dmiggins@usgs.gov, BLOME, C.D., USGS, MS 913, DFC, Denver, CO 80225, and SMITH, D.V., USGS, MS 964, DFC, Denver, CO 80225
224-1176TEPHRASTRATIGRAPHY AND ANALYSIS OF TECTONIC SETTING OF TRIASSIC INTERMEDIATE VOLCANIC STRATA: NANPANJIANG BASIN, SOUTH CHINA: NEWKIRK, Trent T., LEHRMANN, Dan, and HUDAK, George, Univ of Wisconsin-Oshkosh, Oshkosh, WI 54901, newkit73@hotmail.com
224-1277NEOGENE EVOLUTION OF THE COSTA RICAN ARC: GANS, Phillip B.1, MACMILLAN, Ian1, ALVARADO-INUNDI, Guillermo2, PEREZ, Wendy2, and SIGARAN, Carolina2, (1) Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106-9630, gans@geol.ucsb.edu, (2) University of Costa Rica and ICE, San Jose, Costa Rica
224-13Paper Withdrawn
224-1479THE ROLE OF SUBVOLCANIC SILLS AND PEPERITES IN FACILITATING THE ERUPTION OF ARCHEAN KOMATIITIC FLOWS AT THE DUNDONALD BEACH NI-CU-(PGE) DEPOSIT, NORTHERN ONTARIO: HOULÉ, Michel G.1, GIBSON, H.L.1, LESHER, C.M.1, DAVIS, P.C.2, and ARNDT, N.T.3, (1) Ottawa-Carleton Geoscience Centre, University of Ottawa, Ottawa, ON, Canada, & Mineral Exploration Research Centre, Laurentian University, Sudbury, ON, Canada, mhoule@laurentian.ca, (2) MPH Consultant Ltd, Timmins, ON, Canada, (3) Université Joseph-Fournier, Grenoble, France
224-1580MORPHOLOGY OF PAHOEHOE FLOWS IN THE DECCAN VOLCANIC PROVINCE (INDIA) AND THE BIG PINE VOLCANIC FIELD (CALIFORNIA) AND IMPLICATIONS FOR VOLCANOMORPHOLOGICAL EVOLUTION OF RIFTED CONTINENTAL MARGINS: BONDRE, Ninad R., Geology, Miami Univ, 114 Shideler Hall, Dept of Geology, Miami University, Oxford, OH 45056, bondren1@muohio.edu and DILEK, Yildirim, Geology, Miami Univ, Oxford, OH 45056
224-1681ORIGIN OF ALKALIC ROCKS FROM HUALALAI VOLCANO, HAWAII: FAY, Lisa C., WISCHER, Stephanie, and KILINC, Attila, Department of Geology, Univ of Cincinnati, P.O. Box 210013, Cincinnati, OH 45221-0013, faylc@email.uc.edu
224-1782OXYBIOTITES AS A SENSOR OF ERUPTIVE CONDITIONS: HIBBERT, Heather A., SHARP, Zach, and BREARLEY, Adrian, Earth & Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, hhibbert@unm.edu

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