2003 Seattle Annual Meeting (November 2–5, 2003)

Session No. 218
Wednesday, 5 November 2003: 8:00 AM-12:00 PM

T135. Hydrothermal Alteration on Active Volcanoes: Processes, Rates, and Applications to Hazards and Resources

Society of Economic Geologists

 

David A. John and Thomas W. Sisson, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
ALTERATION, DEGRADATION, AND SLOPE FAILURE OF VOLCANOES
HEDENQUIST, Jeffrey W., Colorado School of Mines, Golden, CO 80401 and SILLITOE, Richard H., 27 West Hill Park, Highgate Village, London, N6 6ND, England, Hedenquist@aol.com, Hedenquist@aol.com
2
8:25 AM
HIGH-TEMPERATURE HYDROTHERMAL ACTIVITY BENEATH THE CERRO ESCORIAL VOLCANO, NW ARGENTINA, AS SAMPLED BY AN EXPLOSIVE VOLCANIC ERUPTION
RICHARDS, Jeremy P., Dept. Earth & Atmospheric Sciences, Univ of Alberta, Earth Sciences Building, Rm. 3-02, Edmonton, AB T6G 2E3, Canada, jeremy.richards@ualberta.ca, jeremy.richards@ualberta.ca
3
8:40 AM
HYDROTHERMAL ALTERATION ASSOCIATED WITH THE PLIOCENE MUINE VOLCANO AND BASE-METAL MINERALIZATION AT THE TOYOHA DEPOSIT, NORTHEAST JAPAN
WATANABE, Yasushi, Institute for Geo-Resources and Environment, AIST, AIST Central 7, Higashi 1-1-1, Tsukuba, 305-8567, Japan, watanabe@gsj.go.jp, watanabe@gsj.go.jp
4
8:55 AM
SPATIALLY CONTINUOUS ALTERATION MAPPING OVER AN ENTIRE CALDERA: NEW CONSTRAINTS ON THE GENESIS, GEOCHEMISTRY, AND STRUCTURAL CONTROL OF HYDROTHERMAL MINERALIZATION AT LONG VALLEY, CA, USA
MARTINI, Brigette A., HyVista Corporation, P.O. Box 437, Baulkham Hills, NSW, 1755, Australia and SILVER, Eli A., Earth Science Department, Univ California - Santa Cruz, 1156 High St, Santa Cruz, CA 95064-1077, martini@hyvista.com, martini@hyvista.com
5
9:10 AM
AIRBORNE GAS SURVEILLANCE OF CASCADES VOLCANOES
GERLACH, T.M., MCGEE, K.A. and DOUKAS, M.P., U.S. Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Ct #100, Vancouver, WA 98683-9589, tgerlach@usgs.gov, tgerlach@usgs.gov
6
9:25 AM
HYDROTHERMAL ALTERATION ON THE CASCADE STRATOVOLCANOES: A REMOTE SENSING SURVEY
CROWLEY, James K., HUBBARD, Bernard E. and MARS, John C., U.S. Geol Survey, National Center, MS 954, Reston, VA 20192, jcrowley@usgs.gov, jcrowley@usgs.gov
 
9:40 AM
Break
7
9:55 AM
ALTERATION AND THE MAGMATIC HISTORY OF MT. RAINIER, WASHINGTON
SISSON, Thomas W., LANPHERE, Marvin A. and CALVERT, Andrew T., Volcano Hazards Team, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, tsisson@usgs.gov, tsisson@usgs.gov
8
10:10 AM
INVOLVEMENT OF A HYDROTHERMAL SYSTEM IN THE CATASTROPHIC 5600 BP ERUPTION OF MOUNT RAINIER
VALLANCE, James W., US Geol Survey, Vancouver, WA 98683, BREIT, George N., US Geol Survey, Denver, CO 80225 and JOHN, David A., US Geol Survey, Menlo Park, CA 94025, jvallance@usgs.gov, jvallance@usgs.gov
9
10:25 AM
HYPOGENE HYDROTHERMAL ALTERATION OF QUATERNARY VOLCANIC ROCKS FROM MOUNT RAINIER, WASHINGTON
JOHN, David A.1, BREIT, George N.2, RYE, Robert O.2, SISSON, Thomas W.3 and VALLANCE, James W.4, (1)U.S. Geol Survey, 345 Middlefield Rd, MS-901, Menlo Park, CA 94025-3561, (2)U.S. Geol Survey, MS-973, Federal Center, Denver, CO 80225, (3)U.S. Geol Survey, MS-910, 345 Middlefield Rd, Menlo Park, CA 94025, (4)U.S. Geol Survey, 1300 SE Cardinal Court, Vancouver, WA 98683, djohn@usgs.gov, djohn@usgs.gov
10
10:40 AM
ISOTOPIC STUDIES OF SULFUR-BEARING MINERALS IN THE CLASTS AND MATRIX OF HOLOCENE DEBRIS FLOWS FROM MOUNT RAINIER, WASHINGTON
BREIT, George N.1, RYE, Robert O.2, JOHN, David A.3, KESTER, Cynthia L.2 and BERRY, Cyrus J.1, (1)U.S. Geol Survey, MS-973, Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Stable Isotope Lab, Mail Stop 963, Denver Federal Center, Denver, CO 80225, (3)US Geol Survey, MS-901, 345 Middlefield Rd, Menlo Park, CA 94025-3561, gbreit@usgs.gov, gbreit@usgs.gov
11
11:00 AM
CHEMICAL MODELING OF VOLCANIC GAS INTERACTIONS WITH GROUND WATER AND ANDESITE: INSIGHTS INTO HYDROTHERMAL ALTERATION AT MOUNT RAINIER, WASHINGTON
PLUMLEE, G.S., U.S. Geol Survey, MS964 Federal Center, Denver, CO 80225, RYE, R.O., U.S. Geol Survey, Mail Stop 963, Denver Federal Center, Denver, CO 80225, BREIT, G.N., U.S. Geol Survey, MS 973, Box 25046, Denver Federal Center, Denver, CO 80225 and JOHN, David A., US Geol Survey, MS-901, 345 Middlefield Rd, Menlo Park, CA 94025-3561, gplumlee@usgs.gov, gplumlee@usgs.gov
12
11:15 AM
AEROGEOPHYSICAL MEASUREMENTS OF HYDROTHERMALLY ALTERED ZONES AT MOUNT ADAMS, WASHINGTON
FINN, Carol, DESZCZ-PAN, Maryla and ANDERSON, Eric, U.S. Geolgical Survey, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225-0046, cfinn@usgs.gov, cfinn@usgs.gov
13
11:35 AM
ALTERATION OF HYALOCLASTITES WITHIN THE FLANKS OF HAWAIIAN VOLCANOES: INSIGHTS FROM THE HSDP 3-KM DRILL HOLE AND IMPLICATIONS FOR SLOPE FAILURES
SCHIFFMAN, Peter, Univ California - Davis, 1 Shields Ave, Davis, CA 95616-8605 and WALTON, Anthony W., Department of Geology, Univ of Kansas, 1475 Jayhawk Blvd, Lindley Hall Rm 120, Lawrence, KS 66045-7613, PSchiffman@ucdavis.edu, PSchiffman@ucdavis.edu
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