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

Session No. 163
Tuesday, 4 November 2003: 1:30 PM-5:30 PM

Economic Geology II: Porphyry, Gold, and Other Deposits

 

John Dilles and Richard M. Tosdal, Chairs
Paper #
Start Time
1
1:30 PM
RE-OS AND U-PB AGES FOR THE BUTTE COPPER DISTRICT, MONTANA: A SHORT- OR LONG-LIVED HYDROTHERMAL SYSTEM?
DILLES, John H., Geosciences, Oregon State Univ, Wilkinson Hall 104, Corvallis, OR 97331-5506, MARTIN, Mark W., Shell International Exploration and Production, 200 North Dairy Ashford, Houston, TX 77001-2121, STEIN, Holly, AIRIE Program, Department of Earth Resources, Colorado State Univ, Fort Collins, CO 80523-1482 and RUSK, Brian, Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403, dillesj@geo.orst.edu, dillesj@geo.orst.edu
2
1:45 PM
AGE, ORIGIN, PETROLOGY AND PETROGRAPHY OF THE ERTSBERG DIORITE, WEST PAPUA, INDONESIA
GIBBINS, S., Dept. of Geosciences, Univ. of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721, TITLEY, S., Department of Geosciences, Univ of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721 and FRIEHAUF, K., Dept. of Physical Sciences, Kutztown Univ, Kutztown, PA 19530, sgibbins@geo.arizona.edu, sgibbins@geo.arizona.edu
3
2:00 PM
APPLICATION OF VEIN ABUNDANCE STUDIES IN EXPLORATION IN THE ERTSBERG PORPHYRY DEPOSIT, WEST PAPUA, INDONESIA
FRIEHAUF, K., Dept. of Physical Sciences, Kutztown Univ, Kutztown, PA 19530, TITLEY, S., Department of Geosciences, Univ of Arizona, Gould-Simpson Bldg, Tucson, AZ 85721 and GIBBINS, S., DEPARTMENT OF GEOSCIENCES, Univ OF ARIZONA, GOULD-SIMPSON BLDG, Tucson, AZ 85721, friehauf@kutztown.edu, friehauf@kutztown.edu
4
2:15 PM
STABLE ISOTOPE GEOCHEMISTRY OF COPPER CARBONATES AT THE NORTHWEST EXTENSION DEPOSIT, MORENCI DISTRICT, ARIZONA: IMPLICATIONS FOR CONDITIONS OF SUPERGENE OXIDATION AND RELATED MINERALIZATION
MELCHIORRE, Erik, Geology Department, California State Univ San Bernardino, 5500 University Parkway, San Bernardino, CA 92407 and ENDERS, M. Stephen, Phelps Dodge Exploration Corporation, One North Central Avenue, Phoenix, AZ 85004, emelch@csusb.edu, emelch@csusb.edu
5
2:30 PM
GOLD DEPOSITING MECHANISMS IN HIGH-GRADE ORE SHOOTS OF THE PAMOUR MINE, TIMMINS, ONTARIO, CANADA
VAN HEES, Edmond H.P.1, KESLER, Stephen E.2 and O'NEIL, James R.2, (1)Dept. of Geology, Wayne State Univ, 0224 Old Main Bldg, Detroit, MI 48202, (2)Dept. of Geological Sciences, Univ of Michigan, Ann Arbor, MI 48109, midas@wayne.edu, midas@wayne.edu
6
2:45 PM
RE-OS ARSENOPYRITE GEOCHRONOLOGY OF QUARTZ VEINING AND AU MINERALIZATION, MEGUMA TERRANE, NOVA SCOTIA, CANADA
MORELLI, Ryan M.1, CREASER, Robert A.1, KONTAK, Daniel J.2, HORNE, Richard J.3 and SELBY, David1, (1)Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, (2)Mineral Resources Branch, Nova Scotia Department of Nat Rscs, P. O. Box 698, Halifax, NS B3J 2T9, (3)Mineral Resources Branch, Nova Scotia Department of Nat Rscs, P. O. Box 698, Halifax, NS B3J 2T9, Canada, rmorelli@ualberta.ca, rmorelli@ualberta.ca
7
3:00 PM
SULFUR ISOTOPES IN SURFACE AND GROUNDWATER SULFATE AS AN EXPLORATION TOOL FOR EPIZONAL GOLD DEPOSITS IN THE KUSKOKWIM BASIN, SW ALASKA
MUELLER, Seth H., Mineral Resources Team, U.S. Geol Survey, MS 973 BOX 25064, Denver Federal Center, Denver, CO 80225, GOLDFARB, Richard J., U.S. Geol Survey, Denver, CO 80225, MUNK, LeeAnn, Geology Department, Univ of Alaska-Anchorage, 3211 Providence Drive, Anchorage, AK 99508, MILLER, Marti L., US Geol Survey, 4200 University Dr, Anchorage, AK 99508-4626, FOLEY, Jeffery Y., Calista Corporation, 301 Calista Ct, Suite A, Anchorage, AK 99518 and GEMERY, Pamela A., U.S. Geological Survey, Denver, CO 80225, shmuelle@usgs.gov, shmuelle@usgs.gov
8
3:15 PM
MULTIPLE EPISODES OF MAGMATISM, QUARTZ-ALUNITE ALTERATION, AND ADULARIA-SERICITE PRECIOUS METAL MINERALIZATION, WESTERN VIRGINIA RANGE, NEVADA
VIKRE, Peter1, GARSIDE, Larry J.2, CASTOR, Stephen B.3, HENRY, Christopher D.3, HUDSON, Donald M.4 and MCINTOSH, William C.5, (1)U.S. Geol Survey, Mackay School of Mines, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, (2)Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, MS 178, Reno, NV 89557, (3)Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, NV 89557, (4)1540 Van Petten St, Reno, NV 89503, (5)New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, Socorro, NM 87801, pvikre@usgs.gov, pvikre@usgs.gov
 
3:30 PM
Break
9
3:45 PM
THE GUANAJUATO MINING DISTRICT CALDERA, MEXICO
DAVIS, James Byron, Anadarko Petroleum Corporation, 1201 Lake Robbins Dr, The Woodlands, TX 77251, CLARK, Kenneth F., Univ Texas - El Paso, 500 W University Ave, El Paso, TX 79968-0555 and RANDALL, John R., Apartado Postal 168, Guanajuato, 36000, clark@geo.utep.edu, clark@geo.utep.edu
10
4:00 PM
DISTINGUISHING HYDROTHERMAL EVENTS USING APATITE FISSION-TRACK THERMOCHRONOLOGY; IMPLICATIONS FOR AU-MINERALISATION IN THE CARLIN – JERRITT CANYON REGION, NORTHERN NEVADA
TOSDAL, Richard M.1, HICKEY, Kenneth A.1, DONELICK, Raymond A.2, AREHART, Greg B.3 and CHAKURIAN, Anthony M.4, (1)Department of Earth and Ocean Sciences, Univ of British Columbia, 6339 Stores Rd, Vancouver, BC V6T 4N1, (2)Apatite to Zircon, Incorporated, 1075 Matson Rd, Viola, ID 83872-9709, (3)Department of Geology, Univ of Nevada Reno, MS 172, Reno, NV 89557-0001, (4)GeoTrans, Inc, 17770 Cartwright Road, Suite 500, Irvine, CA 92694, rtosdal@eos.ubc.ca, rtosdal@eos.ubc.ca
11
4:15 PM
SM-ND AGE OF QUARTZ-CARBONATE VEINS ASSOCIATED WITH THE COEUR D'ALENE MINING DISTRICT, IDAHO
ROSENBERG, Philip E., Department of Geology, Washington State University, Pullman, WA 99164 and RAMOS, Frank C., Department of Geology, Washington State Univ, Pullman, WA 99164, rosenberg@wsu.edu, rosenberg@wsu.edu
12
4:30 PM
FLUID SOURCES AND FLUID-WALLROCK INTERACTION IN REGIONAL ALTERATION AND IRON OXIDE-CU-AU MINERALISATION, CLONCURRY DISTRICT, AUSTRALIA
MARSHALL, Lucas J., North Vancouver, BC and OLIVER, Nicholas H.S., School of Earth Sciences, James Cook Universtity, Townsville, Australia, mrlucas@telus.net, mrlucas@telus.net
13
4:45 PM
IDENTIFICATION OF HYDROTHERMAL FLUID FLOW CONDUITS IN CARBONATES USING RARE EARTH ELEMENTS
CROWTHER, H.L.1, WILKINSON, J.J.2, MENUGE, J.F.3, MULLANE, M.M.4, JEFFRIES, T.5 and COLES, B.J.2, (1)Royal School of Mines, Imperial College, Prince Consort Road, Kensington, London, SW7 2BP, United Kingdom, (2)Royal School of Mines, Imperial College, Prince Consort Road, Kensington, London, SW7 2BP, (3)Geology Department, Univ College Dublin, Belfield, Dublin, Ireland, (4)Mineralogy Department, Nat History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, (5)Mineralogy Department, Nat History Museum, Cromwell Road, London, SW7 5BD, helen.crowther@ic.ac.uk, helen.crowther@ic.ac.uk
14
5:00 PM
A FIRST ATTEMPT TO PALEOMAGNETIC DATING OF NON-SULFIDE ZN ORES IN SW SARDINIA (ITALY)
BONI, Maria, Dipartimento Geofisica & Vulcanologia, Università di Napoli Federico II, Via Mezzocannone 8, Napoli, 80134, Italy, DINARÈS-TURELL, Jaume, Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata, 605, Roma, 00143, Italy and SAGNOTTI, Leonardo, Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, Roma, 00143, Italy, boni@unina.it, boni@unina.it
15
5:15 PM
MULTIPLE ORIGINS OF GAHNITE (ZINCIAN SPINEL) ASSOCIATED WITH BROKEN HILL-TYPE LEAD-ZINC-SILVER MINERALIZATION IN THE PROTEROZOIC CURNAMONA PROVINCE, AUSTRALIA
SPRY, Paul G.1, TEALE, Graham S.2 and HEIMANN, Adriana1, (1)Geological & Atmospheric Sciences, Iowa State Univ, 253 Science I, Ames, IA 50011-3212, (2)Teale and Associates, P.O. Box 740, North Adelaide, South Australia, 5006, Australia, pgspry@iastate.edu, pgspry@iastate.edu