2005 Salt Lake City Annual Meeting (October 16–19, 2005)

Session No. 138
Tuesday, 18 October 2005: 8:00 AM-12:00 PM

T4. Sources of Porphyry Copper Deposits: Magmas, Metals, and Fluids II

Society of Economic Geologists

 

John H. Dilles and Jeffrey D. Keith, Advocates
Paper #
Start Time
1
8:00 AM
PORPHYRY CU-AU MINERALIZATION IN THE ERTSBERG INTRUSION, WEST PAPUA, INDONESIA: STYLE, TIMING, AND SOURCES OF HYDROTHERMAL FLUIDS
GIBBINS, Stacie L., Geoscience, University of Arizona, Gould-Simpson Building, Tucson, AZ 85721, TITLEY, Spencer and FRIEHAUF, Kurt, Physical Sciences, Kutztown University, Kutztown, PA 19530, sgibbins@geo.arizona.edu, sgibbins@geo.arizona.edu
2
8:15 AM
THE RELATIONSHIP BETWEEN INTRUSION AND ALTERATION AT THE CHUQUICAMATA PORPHYRY COPPER SYSTEM, CHILE
ARNOTT, Alexandra M. and ZENTILLI, Marcos, Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 3J5, Canada, aarnott@dal.ca, aarnott@dal.ca
3
8:30 AM
GEOCHRONOLOGY AND GEOCHEMISTRY OF THE HILLTOP, LEWIS, AND BULLION MINING DISTRICTS, BATTLE MOUNTAIN-EUREKA TREND, NEVADA
KELSON, Chris R., Department of Geology, University of Georgia, Athens, GA 30602, CROWE, Douglas, Department of Geology, Univ of Georgia, Athens, GA 30602 and STEIN, Holly, AIRIE Program, Department of Geosciences, Colorado State Univ, Fort Collins, CO 80523-1482, ckelson@uga.edu, ckelson@uga.edu
4
8:45 AM
GEOCHRONOLOGIC EVIDENCE OF MULTIPLE OVERLAPPING, FRACTURE-CONTROLLED MAGMATIC AND HYDROTHERMAL PULSES IN THE BUTTE DISTRICT: GENETIC IMPLICATIONS FOR Ag AND Cu VEINS AND PORPHYRY Mo
LUND, Karen, U.S. Geol Survey, MS 973, Federal Center Box 25046, Denver, CO 80225, ALEINIKOFF, John, U.S. Geol Survey, Denver, CO 80225 and KUNK, M., USGS, Federal Center, Denver, CO 81502, jaleinikoff@usgs.gov, jaleinikoff@usgs.gov
5
9:00 AM
GENETIC IMPLICATIONS OF SOME TRACE ELEMENTS IN CHALCOPYRITE
TITLEY, Spencer R., Department of Geosciences, University of Arizona, Tucson, AZ 85721 and RUIZ, Joaquin, Dean, College of Science, Univ of Arizona, PO BOX 210077, Tucson, AZ 85721, stitley@geo.arizona.edu, stitley@geo.arizona.edu
6
9:15 AM
CAUSES OF VARIATIONS IN COPPER ISOTOPE RATIOS IN THE PORPHYRY/SKARN ORE ENVIRONMENT: SOURCES OR PROCESSES?
MAHER, Kierran C.1, WOOD, Scott2 and LARSON, Peter1, (1)Department of Geology, Washington State University, Pullman, WA 99164, (2)Geological Sciences, Univ of Idaho, P.O. Box 443022, Moscow, ID 83844-3022, kmaher@wsu.edu, kmaher@wsu.edu
 
9:30 AM
Break
7
9:45 AM
ISOTOPIC EVIDENCE FOR THE MULTIPLE SOURCES OF LEAD IN PORPHYRY CU-MO AND BASE METAL LODE ORES AT BUTTE, MONTANA
DILLES, John H., College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503 and KENT, Adam J.R., Geosciences, Oregon State University, Wilkinson Hall 104, Corvallis, OR 97331-5506, dillesj@geo.oregonstate.edu, dillesj@geo.oregonstate.edu
8
10:00 AM
HALOGEN ANALYSIS OF QUARTZ HOSTED FLUID INCLUSIONS FROM PORPHYRY CU DEPOSITS: BINGHAM CANYON, BUTTE, AND BAJO DE LA ALUMBRERA
NAHNYBIDA, T.J.1, GLEESON, S.A.1, RUSK, B.G.2, HARRIS, A.C.3 and SCHROEDER, K.4, (1)Department of Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, (2)USGS Denver Federal Center, Building 21 MS 963, Denver, CO 80225, (3)Centre of Excellence in Ore Deposits, University of Tasmania, Private Bag 79, Hobart, 7001, Australia, (4)Kennecott Utah Copper, 1855 Freemont Drive, Salt Lake City, UT 84104, tarasn@ualberta.ca, tarasn@ualberta.ca
9
10:15 AM
ORIGIN AND EVOLUTION OF HYDROTHERMAL FLUIDS THAT FORMED THE PORPHYRY CU-MO DEPOSIT IN BUTTE, MONTANA: A MULTI-FACETED FLUID INCLUSION STUDY
RUSK, Brian, US Geological Survey, DFC Building 21, MS 963, Denver, CO 80225, LANDIS, Gary P., US Geol Survey, P.O. Box 25046, Mail Stop 963, Denver, CO 80225, HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, MS 963, Bld 21, Denver, CO 80225, HOFSTRA, Albert H., U.S. Geological Survey, Denver, CO 80225, REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403, DILLES, John H., College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503 and RYE, Robert O., USGS, Denver Federal Center, Colorado, 80225, bgrusk@usgs.gov, bgrusk@usgs.gov
10
10:30 AM
THE BUTTE HYDROTHERMAL SYSTEM: ONE MAGMATIC FLUID YIELDED ALL VEIN TYPES
REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403, RUSK, Brian, US Geological Survey, DFC Building 21, MS 963, Denver, CO 80225, PALANDRI, James, Geological Sciences, University of Oregon, Eugene, OR 97403-1272 and DILLES, John, Geosciences, Oregon State University, Corvallis, OR 97331, mhreed@uoregon.edu, mhreed@uoregon.edu
11
10:45 AM
THE SWEET HOME RHODOCHROSITE SPECIMEN MINE, ALMA DISTRICT, CENTRAL COLORADO: THE PORPHYRY MOLYBDENUM – FLUORINE CONNECTION
BARTOS, Paul J., Geology Museum, Colorado School of Mines, Golden, CO 80401, NELSON, Eric P., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401 and MISANTONI, Dean, Colorado Calumet Company Inc, P.O. Box 1169, Golden, CO 80402, pbartos@mines.edu, pbartos@mines.edu
12
11:00 AM
FLUID SOURCES FOR IOCG (CANDELARIA, PUNTA DEL COBRE) AND PORPHYRY CU-STYLE MINERALIZATION, COPIAPO BATHOLITH, CHILE: GEOLOGIC AND SR ISOTOPIC CONSTRAINTS
BARTON, Mark D., JENSEN, Eric P. and DUCEA, Mihai, Dept. of Geosciences, Center for Mineral Resources, Univ. of Arizona, Tucson, AZ 85721, barton@geo.arizona.edu, barton@geo.arizona.edu
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