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| 204-1 | 1:30 PM | LOW SALINITY FLUIDS FROM LARGE OPEN SYSTEM MAGMA CHAMBERS FORM PORPHYRY-CU (MO-AU) DEPOSITS: RUSK, Brian G., School of Earth and Environmental Sciences, James Cook University, Townsville, QLD 4811, Australia, brian.rusk@jcu.edu.au, HOFSTRA, Albert H., U.S. Geological Survey, MS-973, Box 25046, Denver, CO 80225, EMSBO, Poul, U.S. Geological Survey, Denver Federal Center, Mail Stop 973, Denver, CO 80225, HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225, LANDIS, Gary P., U.S. Geological Survey, Denver Federal Center, MS 963, Bld 21, Denver, CO 80225, RYE, R.O., USGS, Box 25046, MS 963, Denver, CO 80225, REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403, DILLES, John H., Geosciences, Oregon State University, Wilkinson Hall 104, Corvallis, OR 97331-5506, VALLEY, John W., Department of Geology and Geophysics, University of Wisconsin-Madison, Madison, WI 53706, and KITA, Noriko T., Geology and Geophysics, University of Wisconsin, 1215 West Dayton Street, Madison, WI 53706 |
| 204-2 | 1:50 PM | THE TEMPERATURE CONNECTION BETWEEN MAGMATIC AND HYDROTHERMAL REALMS OF THE PORPHYRY-CU-MO DEPOSIT AT BUTTE, MONTANA: MERCER, Celestine N., Department of Geology, Colorado College, 14 E. Cache La Poudre Street, Colorado Springs, CO 80903, celeste.mercer@coloradocollege.edu and REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403 |
| 204-3 | 2:05 PM | SUCCESSION OF MAGMATIC-HYDROTHERMAL EVENTS IN THE PATAGONIA MOUNTAINS, AZ: VIKRE, Peter G., U.S. Geological Survey, Mackay School of Earth Sciences and Engineering, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, pvikre@usgs.gov, GRAYBEAL, Frederick T., 37 Wynwood Road, Chatham, NJ 07928, FLECK, Robert J., USGS, 345 Middlefield Rd, Menlo Park, CA 94025, BARTON, Mark D., Dept. of Geosciences, University of Arizona, Tucson, AZ 85721, and SEEDORFF, Eric, Geosciences, University of Arizona, 1040 E. Fourth St., Room 316, Tucson, AZ 85721 |
| 204-4 | 2:20 PM | VOLCANOGENIC MASSIVE SULFIDE DEPOSITS: TOWARD A NEW OCCURRENCE MODEL: SHANKS, W.C. Pat1, DUSEL-BACON, Cynthia2, KOSKI, Randy2, MORGAN, Lisa A.3, MOSIER, Dan2, PIATAK, Nadine M.4, RIDLEY, W. Ian5, SCHULZ, Klaus J.4, SEAL, Robert R. II4, SLACK, John F.6, and THURSTON, Roland1, (1) U.S. Geological Survey, 973 Federal Center, Denver, CO 80225, pshanks@usgs.gov, (2) USGS, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, (3) U.S. Geological Survey, PO Box 25046, MS 966, Denver, CO 80225, (4) U.S. Geological Survey, 954 National Center, Reston, VA 20192, (5) US Geological Survey, PO Box 25046, MS 973 Denver Federal Center, Denver, CO 80225, (6) USGS, National Center, MS 954, Reston, VA 20192 |
| 204-5 | 2:35 PM | ORIGIN OF CARLIN-TYPE GOLD DEPOSITS: CLINE, Jean S., Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, NV 89154-4010, jean.cline@unlv.edu, MUNTEAN, John L., Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, LONGO, Anthony A., Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Pkway, Las Vegas, NV 89154-4010, and SIMON, Adam, Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Pkwy, Las Vegas, NV 89154-4010 |
| 204-6 | 2:50 PM | GEOCHEMICAL AND SPECTRAL TRENDS IN THE LEPANTO LITHOCAP, PHILIPPINES, AND THEIR GENETIC IMPLICATIONS: CHANG, Zhaoshan1, HEDENQUIST, Jeffrey W.2, WHITE, Noel C.3, COOKE, David R.4, DEYELL, Cari L.4, and GARCIA, Joey Jr5, (1) CODES ARC Centre of Excellence in Ore Deposits, University of Tasmania, Private Bag 126, Hobart, Tasmania, 7001, Australia, zhaoshan.chang@utas.edu.au, (2) 99 Fifth Avenue-Suite 260, Ottawa, ON K1S 5P5, Canada, (3) P.O. Box 5181, Kenmore East, Queensland, 4069, Australia, (4) CODES ARC Centre of Excellence in Ore Deposits, University of Tasmania, Private Bag 126, Hobart, Tasmania, 7001, Australia, (5) Lepanto Consolidated Mining Company, 21st Flr., BA-Lepanto Bldg, 8747 Paseo de Roxas, Makati City, 1126, Philippines |
| | 3:05 PM | Discussion |
| | 3:15 PM | Break |
| 204-7 | 3:30 PM | QUARTZ-ALUNITE HYDROTHERMAL ALTERATION SYSTEMS IN THE CASCADES ARC, NORTHWESTERN UNITED STATES: RYTUBA, James J.1, ASHLEY, Roger P.1, and JOHN, David A.2, (1) U.S. Geological Survey, 345 Middlefield Road, MS901, Menlo Park, CA 94025, jrytuba@usgs.gov, (2) U.S. Geological Survey, 345 Middlefield Rd. MS-901, Menlo Park, CA 94025 |
| 204-8 | 3:45 PM | PLEISTOCENE MAGMATIC-HYDROTHERMAL SYSTEMS IN THE LASSEN REGION, NORTHEASTERN CALIFORNIA: JOHN, David A., U.S. Geological Survey, 345 Middlefield Rd. MS-901, Menlo Park, CA 94025, djohn@usgs.gov, BREIT, George N., U.S. Geol Survey, MS 964, Box 25046, Denver Federal Center, Denver, CO 80225, LEE, Robert G., Oregon State University, Corvallis, OR 97331-5506, DILLES, John, Geosciences, Oregon State University, Corvallis, OR 97331, CALVERT, Andrew T., US Geological Survey, 345 Middlefield Rd, MS-937, Menlo Park, CA 94025, MUFFLER, L.J. Patrick, US Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, CLYNNE, Michael A., Volcano Hazards Team, USGS, Menlo Park, CA 94025, and RYE, Robert O., USGS, Box 25046, MS 963, Denver, CO 80225 |
| 204-9 | 4:00 PM | FLUID INCLUSION ACTIVE AND NOBLE GASES IN COARSE-BANDED ALUNITE VEINS AT ALUNITE RIDGE, MARYSVALE, UTAH, AND IMPLICATIONS FOR CRUST-MANTLE MAGMATIC VOLATILE EVOLUTION: LANDIS, G.P. and RYE, Robert O., USGS-DIAL, Box 25046, MS 963, Denver, CO 80225, g_landis@usgs.gov |
| 204-10 | 4:15 PM | CHEMICAL COMPOSITIONS OF MAGMATIC STEAM ALUNITE VEINS FROM DIVERSE PORPHYRY-EPITHERMAL SYSTEMS–IMPLICATIONS FOR MAGMATIC VOLATILE CONTENTS AND DEGASSING PROCESSES: BOVE, Dana J., U.S. Geological Survey, P.O. Box 25046, Denver Federal Center, MS 973, Denver, CO 80225, dbove@usgs.gov, HOFSTRA, A.H, USGS, U.S Geological Survey, Mail Stop 973, Box 25046, Denver Federal Center, Denver, Denver, CO 80225, KOENIG, A.E., USGS, Box 25046, MS 973, Denver, CO 80225, LOWERS, H.A., United States Geol Survey, Box 25046 DFC, MS 973, Denver, CO 80225, and RYE, R.O., USGS, Box 25046, MS 963, Denver, CO 80225 |
| 204-11 | 4:30 PM | OLDER HYDROTHERMAL ACTIVITY ALONG THE NORTHERN YELLOWSTONE CALDERA MARGIN AT SULPHUR CREEK, YELLOWSTONE PARK, WYOMING: MANION, Jennifer Leigh, School of Earth and Environmental Sciences: Geology, Washington State University, PO Box 642812, Pullman, WA 99164-2812, jlmanion@gmail.com and LARSON, Peter, Department of Geology, Washington State University, Pullman, WA 99164 |
| 204-12 | 4:45 PM | TRACKING INTRUSIONS BENEATH THE YELLOWSTONE CALDERA WITH GAS GEOCHEMISTRY: LOWENSTERN, Jacob B., Volcano Hazards Team, U.S. Geological Survey, Menlo Park, CA 94025, jlwnstrn@usgs.gov, BERGFELD, Deborah, U.S. Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, EVANS, William C., U.S. Geological Survey, 345 Middlefield Rd, MS 434, Menlo Park, CA 94025, HURWITZ, Shaul, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, and HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225 |
| 204-13 | 5:00 PM | USE OF NOBLE GAS GEOCHEMISTRY AND TRACE ELEMENT ANALYSIS TO DETERMINE IF MODERN GEOTHERMAL WATERS ARE RESPONSIBLE FOR ASSOCIATED EPITHERMAL AU DEPOSITS: HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225, ahunt@usgs.gov, BREIT, George N., U.S. Geol Survey, MS 964, Box 25046, Denver Federal Center, Denver, CO 80225, BERGFELD, Deborah, U.S. Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, RYTUBA, James J., US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, WOLF, Ruth E., Crustal Imaging and Characterization Team, U.S. Geological Survey, MS973 Denver Federal Center, Denver, CO 80225, and LANDIS, G.P., USGS, Box 25046, MS 963, Denver, CO 80225 |
| | 5:15 PM | Discussion II; & Concluding Remarks |
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