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GSA Annual Meeting, November 5-8, 2001

Session No. 76
Tuesday, 6 November 2001: 2:00 PM-5:30 PM

Economic Geology II: Reserve/Resource Classification; MVT, VMS, SEDEX, and Layered Intrusions

 

David R. Lentz and Ricardo D. Presnell, Chairs
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2:00 PM
“THERE’S GLORY FOR YOU”: DEFINITION-RELATED PROBLEMS BETWEEN THE CMMI, SEC, AND USGS MINERAL RESERVE AND RESOURCE CLASSIFICATION SYSTEMS
ABBOTT Jr, David M., Consulting Geologist, 2266 Forest St, Denver, CO 80207, dmabbott@qwest.net, dmabbott@qwest.net
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2:15 PM
A NEW OUTLOOK FOR THE PEND OREILLE CARBONATE-HOSTED ZN-PB DEPOSIT, WASHINGTON STATE
MCCLUNG, Craig R., Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, HITZMAN, Murray W., Colorado School Mines, 1500 Illinois St, Golden, CO 80401-1887, LEACH, David L., U.S. Geol Survey, MS964, Denver, CO 80225 and ZIEG, Jerry A., Cominco American Incorporated, 15918 E. Euclid Ave, Spokane, WA 99216, cmcclung@mines.edu, cmcclung@mines.edu
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2:30 PM
GENESIS OF CAMBRIAN-HOSTED MVT DEPOSITS OF HUNAN (SOUTH CHINA): GEOLOGICAL AND GEOCHEMICAL CONSTRAINTS
LAPPONI, Fabio, Dipartimento Geofisica & Vulcanologia, Università Napoli Federico II, Via Mezzocannone 8, Napoli, 80138, Italy, BONI, Maria, Dipartimento Geofisica & Vulcanologia, Università di Napoli Federico II, Via Mezzocannone 8, Napoli, 80134, Italy, SCHNEIDER, Jens, Institut Geowissenschaften u. Lithosphärenforschung, JLU Giessen, Senckenbergstrasse 3, Giessen, 35390, Germany, STRAUSS, Harald, Geologisch-Paläontologisches Institut und Museum, Westfälische Wilhelms-Universität Münster, Corrensstrasse 24, Münster, 48149, Germany and BECHSTÄDT, Thilo, Geologisch-Palaeontologisches Institut, Universität Heidelberg, Im Neuenheimer Feld 234, Heidelberg, 69120, Germany, fabiolapp@libero.it, fabiolapp@libero.it
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2:45 PM
SULFUR AND ORGANIC CARBON RELATIONSHIPS WITHIN THE FANCY HILL BARITE DISTRICT, MISSISSIPPIAN STANLEY FORMATION, OUACHITA MOUNTAINS, ARKANSAS
ELSWICK, Erika R., Geological Sciences, Indiana Univ, 1001 E. Tenth Street, Bloomington, IN 47405, eelswick@indiana.edu, eelswick@indiana.edu
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3:00 PM
STRATIGRAPHIC AND LITHOGEOCHEMICAL STUDIES OF THE PRICHARD FM. NEAR PERMA, MT., AND IMPLICATIONS FOR BELT BASIN MINERALIZATION
PRESNELL, Ricardo D., Kennecott Exploration, 224 North 2200 west, Salt Lake City, UT 84116 and WRIGHT, John V., Consultant, Hoogstraat 50, Weesp, Netherlands, Ricardo.Presnell@Kennecott.com, Ricardo.Presnell@Kennecott.com
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3:15 PM
MIGRATION OF NORTH AMERICAN SEDIMENTARY BRINES AND THEIR SUBSEQUENT DILUTION BY PLEISTOCENE-AGE WATER: A SYNTHESIS OF CONSERVATIVE SOLUTES AND STABLE ISOTOPES OF WATER
BARTOS, John M., Jr, GeoSyntec Consultants, 1100 Lake Hearn Drive, Suite 200, Atlanta, GA 30342 and SIEGEL, Donald I., Department of Earth Sciences, Syracuse Univ, 204 Heroy Geology Laboratory, Syracuse, NY 13244, jbartos@geosyntec.com, jbartos@geosyntec.com
 
3:30 PM
Break
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3:45 PM
OXYGEN ISOTOPIC DEPLETION IN SEDIMENTARY ROCK SEQUENCES: FLUID FLUX IN ACCRECTIONARY WEDGE COMPLEXES AND THE ROLE OF REVERSED GEOTHERMS
LENTZ, David R., Department of Geology, Univ of New Brunswick, Box 4400, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, dlentz@unb.ca, dlentz@unb.ca
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4:00 PM
TRANSITIONAL EPITHERMAL-TO-TYPICAL VOLCANOGENIC MASSIVE SULFIDE DEPOSITS IN THE EARLY PROTEROZOIC PENOKEAN OROGEN, NORTHERN WISCONSIN
NICHOLSON, S. W.1, SCHULZ, K. J.1 and WOODRUFF, L. G.2, (1)U.S. Geol Survey, National Center- MS 954, Reston, VA 20192, (2)U.S. Geol Survey, 2280 Woodale Dr, Mounds View, MN 55112, swnich@usgs.gov, swnich@usgs.gov
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4:15 PM
TRACE ELEMENT GEOCHEMISTRY AND PETROGENESIS OF FELSIC METAVOLCANIC ROCKS ASSOCIATED WITH VOLCANOGENIC CU-ZN-PB MASSIVE SULPHIDE DEPOSITS
HART, Thomas R.1, GIBSON, Harold L.2, LESHER, C. Michael2 and CAMPBELL, Ian H.3, (1)Ontario Geological Survey, 7 th floor, 933 Ramsey Lake Road, Sudbury, ON P3E 5V1, Canada, (2)Department of Earth Sciences, Laurentian Univ, Sudbury, P3E 2C6, (3)Research School of Earth Sciences, Australian National Univ, Canberra, 0200, Australia, tom.hart@ndm.gov.on.ca, tom.hart@ndm.gov.on.ca
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4:30 PM
NEW U-PB ZIRCON AND GEOCHEMICAL EVIDENCE FOR BIMODAL MID-PALEOZOIC MAGMATISM AND SYNGENETIC BASE METAL MINERALIZATION IN THE YUKON-TANANA TERRANE, ALASKA
DUSEL-BACON, Cynthia1, WOODEN, Joseph L.1 and BRESSLER, Jason R.2, (1)U.S. Geol. Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (2)WGM, Inc, Anchorage, AK 99510, cdusel@usgs.gov, cdusel@usgs.gov
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4:45 PM
MAGMATIC SULFIDE MINERALIZATION AT THE VOISEY'S BAY NI-CU-CO DEPOSIT, LABRADOR: SE/S RATIOS AND C-S ISOTOPIC STUDIES OF COUNTRY ROCKS AND ORE
RIPLEY, Edward M.1, LI, Chusi1, SHIN, Dongbok2 and PARK, Young-Rok3, (1)Indiana Univ - Bloomington, 1001 E 10th St, Bloomington, IN 47405-5101, (2)Geological Sciences, Seoul National Univ, Seoul, Korea, (3)Geology, Kangwon National Univ, Chuncheon, Korea, ripley@indiana.edu, ripley@indiana.edu
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5:00 PM
OLIVINE AND SULFUR ISOTOPIC COMPOSITIONS OF THE UITKOMST SULFIDE-BEARING INTRUSION, SOUTH AFRICA: RECORDS FOR MULTIPLE FLOWS OF MAGMAS AND THEIR ROLES IN ORE FORMATION IN A MAGMA CONDUIT
LI, Chusi1, RIPLEY, Edward M.1, MAIER, Wolfgang D.2 and GOMWE, Tafadzwa E.2, (1)Deparment of Geological Sciences, Indiana Univ - Bloomington, 1001 E 10th St, Bloomington, IN 47405-5101, (2)Department of Earth Sciences, Univ of Pretoria, Pretoria, 0002, South Africa, cli@indiana.edu, cli@indiana.edu
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5:15 PM
ARE IPGE ALLOYS STABLE IN THE PRESENCE OF IMMISCIBLE SULFIDE LIQUID?
ANDREWS, David and BRENAN, James M., Geology, Univ of Toronto, Earth Science Centre, 22 Russell St, Toronto, ON M5S 3B1, Canada, brenan@geology.utoronto.ca, brenan@geology.utoronto.ca
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