Session: Volcanology (Posters) (2002 Denver Annual Meeting (October 27-30, 2002))

Paper #

Booth #

1

66

REMOTE 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, Smyle22@aol.com

2

67

MAPPING HYDROTHERMAL MINERALS AT THREE SISTERS VOLCANOES, OREGON USING HYPERSPECTRAL IMAGERY

TURGEON, Diane, Geology and Environmental Geosciences, College of Charleston, Charleston, SC 20401 and NUSBAUM, Robert, Geology and Environmental Geosciences, College of Charleston, Charleston, SC 29401, dhturgeo@edisto.cofc.edu, dhturgeo@edisto.cofc.edu

3

68

A 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, 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, pat.pringle@wadnr.gov, pat.pringle@wadnr.gov

4

69

COMPUTATIONAL 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, CASHMAN, Katharine V., Univ Oregon, 1272 University of Oregon, Eugene, OR 97403-1272 and HEMPHILL-HALEY, M.A., Dept. of Geology, Humboldt State Univ, ssoule@gladstone.uoregon.edu, ssoule@gladstone.uoregon.edu

5

70

AN 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, siobhan179@hotmail.com

6

71

IS 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 and SILVER, Eli A., Earth Science Department, Univ California - Santa Cruz, 1156 High St, Santa Cruz, CA 95064-1077, bmartini@es.ucsc.edu, bmartini@es.ucsc.edu

7

72

POSTGLACIAL GEOLOGIC PROCESSES IN NORTHERN YELLOWSTONE LAKE

JOHNSON, Samuel Y., U.S. Geol Survey, MS 966, Box 25046, DFC, Denver, CO 80225, 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 III, W.C., U.S. Geol Survey, Box 25046, DFC, Denver, CO 80225 and PIERCE, Kenneth L., US Geol Survey, PO Box 173492, Bozeman, MT 59717-3492, sjohnson@usgs.gov, sjohnson@usgs.gov

8

73

DIVERSE 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, (2)Idaho Geol Survey, Morrill Hall Rm 332, Moscow, ID 83844-3014, (3)Geology, Mount Holyoke College, South Hadley, MA, entoptics@turbonet.com, entoptics@turbonet.com

9

74

SYLVANITE 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, ldkirkpatrick@hotmail.com

10

75

PRELIMINARY 40AR/39AR AGE CONSTRAINTS FOR THE UVALDE IGNEOUS INTRUSIONS WEST OF SAN ANTONIO, TEXAS

MIGGINS, Daniel, USGS, MS 974, DFC, Denver, CO 80225, BLOME, C.D., USGS, MS 913, DFC, Denver, CO 80225 and SMITH, D.V., USGS, MS 964, DFC, Denver, CO 80225, dmiggins@usgs.gov, dmiggins@usgs.gov

11

76

TEPHRASTRATIGRAPHY 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, newkit73@hotmail.com

12

77

NEOGENE 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, (2)University of Costa Rica and ICE, San Jose, Costa Rica, gans@geol.ucsb.edu, gans@geol.ucsb.edu

13

78

Withdrawn

14

79

THE 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, (2)MPH Consultant Ltd, Timmins, ON, Canada, (3)Université Joseph-Fournier, Grenoble, France, mhoule@laurentian.ca, mhoule@laurentian.ca

15

80

MORPHOLOGY 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 and DILEK, Yildirim, Geology, Miami Univ, Oxford, OH 45056, bondren1@muohio.edu, bondren1@muohio.edu

16

81

ORIGIN 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, faylc@email.uc.edu

17

82

OXYBIOTITES 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, hhibbert@unm.edu