Session No. 150 Thursday, November 8, 2001

8:00 AM-12:00 PM, Hynes Convention Center: 302
Economic Geology III: Remote Sensing; Porphyry, Skarn, Replacement, Epithermal, and Supergene Deposits
William W. Atkinson and Andrew W. Macfarlane, Presiding
 Paper #Start Time
150-08:00 AM EXPLORATION FOR THE MINERALIZED GRANITES IN ARABO-NUBIAN SHIELD, USING ORBITAL REMOTE SENSING: RAMADAN, Talaat1, YAHIA, Adel1, FAWZY, Shreif2, and GAD, Sabreen3, (1) Geology, NARSS, Egypt, 23 Joseph Brous Tito, Nozha El Gedida, Alf Maskan-Cairo, 1564, Egypt, Talaat_narss@yahoo.com, (2) Geolgy, Faculty of sciences, Aswan, South Valley Univ, (3) Geology, Faculty of sciences, Aswan, South Valley Univ
150-08:15 AM BUBBLING MAGMA CHAMBERS AND PORPHYRY COPPER DEPOSITS: CLOOS, Mark, Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, cloos@mail.utexas.edu.
150-08:30 AM MAGMATIC ANHYDRITE IN THE HANOVER-FIERRO STOCK AND ITS IMPLICATIONS FOR FS2-FO2 OF INTRUSIONS ASSOCIATED WITH PORPHYRY COPPER DEPOSITS: CORE, Daniel, KESLER, Stephen, and ESSENE, Eric, Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, 425 E. University Ave, Ann Arbor, MI 48109, dcore@umich.edu
150-08:45 AM VARIATIONS IN MAGMATIC SULFIDES IN DIKES, LARGE INTRUSIONS, AND VOLCANIC ROCKS, BINGHAM AND TINTIC DISTRICTS AND WASATCH PLATEAU, UTAH: STAVAST, William J.A., KEITH, Jeffrey D., CHRISTIANSEN, Eric H., and DORAIS, Michael J., Department of Geology, Brigham Young Univ, Provo, UT 84602, wjs24@geology.byu.edu
150-09:00 AM Paper Withdrawn
150-09:15 AM TEMPORAL OVERLAP OF SUPERGENE ALTERATION AND HIGH-SULFIDATION MINERALIZATION IN THE SPENCE PORPHYRY COPPER DEPOSIT, II REGION, CHILE: ROWLAND, Matthew G., 314 Richmond Rd, Kingston-upon-Thames, Surrey, KT2 5PW, England, rowland@globalnet.co.uk and CLARK, Alan H., Department of Geological Sciences and Geological Engineering, Queen's Univ, Kingston, ON K7L 3N6, Canada, charbon@geol.queensu.ca
150-09:30 AM THE REGIONAL TECTONIC SETTING OF THE GIANT ANTAMINA CU-ZN SKARN DEPOSIT, NORTH-CENTRAL PERU: LOVE, David A., CLARK, Alan H., STRUSIEVICZ, O. Robert, and LEE, James K.W., Dept of Geological Sciences & Geological Engineering, Queen's Univ, Kingston, ON K7L 3N6, Canada, love@geol.queensu.ca
150-09:45 AM METAL ZONATION AND THE TIMING OF GOLD MINERALISATION ASSOCIATED WITH THE BIG GOSSAN CU-AU DEPOSIT, ERTSBERG DISTRICT, IRIAN JAYA, INDONESIA: PRENDERGAST, Kylie Sr1, TAYLOR, Roger, G.2, CLARKE, Gavin W.1, and POLLARD, Peter J.2, (1) Economic Geology Research Unit, School of Earth Sciences, James Cook Univ, Townsville Qld, 4811, Australia, kylie.prendergast@jcu.edu.au, (2) Pollard and Taylor Geological Services Pty Ltd, c/o School of Earth Sciences, James Cook University, Townsville, Qld, 4811, Australia
150-010:00 AM HIGH-PRECISION GEOCHRONOLOGY CONSTRAINS ON MIOCENE MAGMATIC AND MINERALISING EVENTS IN THE PB-ZN-AG-CU DOMO DE YAULI DISTRICT, PERU: BEUCHAT, Sébastien1, SCHALTEGGER, Urs2, COSCA, Mike3, MORITZ, Robert1, and CHIARADIA, Massimo1, (1) Department of Mineralogy, Univ of Geneva, 13, rue des Maraîchers, Geneva 4, 1211, Switzerland, Sebastien.Beuchat@terre.unige.ch, (2) Institute for Isotope Geology and Mineral Resources, Federal Institute of Technology ETH, Zürich, 8092, Switzerland, (3) Institut de Minéralogie et Géochimie, Univ of Lausanne, Lausanne, 1015, Switzerland
150-010:15 AM WERE CENTRAL ANDEAN CRUSTALLY-DERIVED ORE METALS ASSIMILATED OR LEACHED? THE EXAMPLE OF POTOSI: MACFARLANE, Andrew W., Earth Sciences, Florida Int'l Univ, 107th Avenue/University Park, Miami, FL 33199, macfarla@fiu.edu, KAMENOV, George, Geological Sciences, Univ of Florida, 24 Williamson Hall, Gainesville, FL 32611, and RICIPUTI, Lee, Chemical & Analytical Sciences Division, Oak Ridge National Lab, PO Box 2008, Oak Ridge, TN 37831-6365
150-010:30 AM THE EL INDIO-PASCUA AU BELT, CHILE/ARGENTINA: REGIONAL AND LOCAL CONTROL OF EPITHERMAL MINERALIZATION BY PEDIMENT INCISION: BISSIG, Thomas1, CLARK, Alan H.1, LEE, James K.W.1, and HODGSON, C. Jay2, (1) Department of Geological Sciences and Geological Engineering, Queen's Univ, Kingston, ON K7L 3N6, Canada, bissig@geoladm.geol.queensu.ca, (2) Barrick Gold Corporation, 200 Bay Street, Toronto, ON M5J 2J3, Canada
150-010:45 AM “BLEACHING” AT THE COMSTOCK DISTRICT, NEVADA: DISTINGUISHING MULTIPLE CAUSES: SINGLETON, Michael J. and CRISS, Robert E., Earth and Planetary Science, Washington Univ, One Brookings Dr, Saint Louis, MO 63130-4899, singleton@levee.wustl.edu
150-011:00 AM CRATER LAKE BRINES AS MODERN ANALOGS OF ORE-TRANSPORTING FLUIDS: VAREKAMP, Johan C., Earth & Environmental Sciences, Wesleyan Univ, 265 Church street, Middletown, CT 06459-0139, jvarekamp@wesleyan.edu and OUIMETTE, Andrew P., Volcano Hazards Division, US Geol Survey, Menlo Park, CA 94025
150-011:15 AM EVALUATION OF A PROSPECT AT TEBISCO, MOCTEZUMA DISTRICT, SONORA, MEXICO: ATKINSON, William W. Jr, Department of Geological Sciences, Univ of Colorado, 399UCB, Boulder, CO 80309, william.atkinson@colorado.edu.
150-011:30 AM CHLORINE ISOTOPE AND BROMINE EVIDENCE OF A JURASSIC SEDIMENTARY CHLORIDE SOURCE FOR ATACAMITE MINERALIZATION AT THE RADOMIRO TOMIC PORPHYRY COPPER DEPOSIT, NORTHERN CHILE: ARCURI, Terry and BRIMHALL, George, Department of Earth and Planetary Science, Univ of California, Berkeley, CA 94720-4767, tarcuri@uclink4.berkeley.edu
150-011:45 AM STABLE ISOTOPE CHARACTERIZATION OF THE THERMAL PROFILE AND SUBSURFACE BIOLOGICAL ACTIVITY DURING OXIDATION OF THE GREAT AUSTRALIA DEPOSIT, QUEENSLAND, AUSTRALIA: MELCHIORRE, Erik B., Geology and Geography Department, DePauw University, 602 South College, Greencastle, IN 46135, emelch@depauw.edu and WILLIAMS, Peter A., School of Science, University of Western Sydney, Locked Bag 1797, New South Wales, Penrith South, 1797, Australia

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