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2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 191
Wednesday, 10 November 2004: 8:00 AM-12:00 PM

Economic Geology I: Gold, Pb-Zn, and Iron Deposits and Isotopic Tracers

 

John F. Slack, Chair
Paper #
Start Time
1
8:00 AM
A KINEMATIC INVESTIGATION IN THE CRIPPLE CREEK DISTRICT, CENTRAL COLORADO: STRUCTURAL CONTROLS INFLUENCING THE LOCATION AND DISTRIBUTION OF HIGH GRADE GOLD ORE ZONES
MOTE, Alison Suzanne, Jackson School of Geosciences, The Univ of Texas at Austin, 1 University Station C1100, Austin, TX 78712-0254, MELKER, Marc D., Mine Geology Department, AngloGold (Colorado) Corp, PO Box 191, Victor, CO 80860, WAWRZYNIEC, Tim F., Department of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131 and KYLE, J. Richard, Jackson School of Geosciences, The Univ of Texas at Austin, 1 University Station C1110, Austin, TX 78712, alison_mote@lycos.com, alison_mote@lycos.com
2
8:15 AM
VOLATILE RELEASE FROM GRANITES CRYSTALLISED AT DEPTH IN THE CRUST: EVIDENCE FOR LINKS WITH GOLD-ONLY HYDROTHERMAL ORES
RIDLEY, John, Department of Geosciences, Colorado State Univ, Fort Collins, CO 80523-1482, jridley@cnr.colostate.edu, jridley@cnr.colostate.edu
3
8:30 AM
THE AGE OF GOLD MINERALIZATION AT THE MURUNTAU AU DEPOSIT, UZBEKISTAN, FROM RE-OS ARSENOPYRITE GEOCHRONOLOGY
MORELLI, Ryan M., Earth and Atmospheric Science, Univ of Alberta, 2-04D Earth Sciences Building, Edmonton, AB T6G 2E3, CREASER, Robert A., Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada and SELTMANN, Reimar, Department of Mineralogy, Nat History Museum, Cromwell Road, London, SW7 5BD, England, rmorelli@ualberta.ca, rmorelli@ualberta.ca
4
8:45 AM
ZINC ISOTOPE VARIATION IN HYDROTHERMAL ORE DEPOSITS
WILKINSON, Jamie J., WEISS, Dominik J., MASON, Thomas F.D., COLES, Barry J. and CROWTHER, Helen L., Department of Earth Science and Engineering, Imperial College London, South Kensington Campus, Exhibition Road, London, SW7 2AZ, j.wilkinson@imperial.ac.uk, j.wilkinson@imperial.ac.uk
5
9:00 AM
Withdrawn
6
9:15 AM
DISCRIMINATION OF METAMORPHIC AND METASOMATIC PROCESSES AT THE BROKEN HILL LEAD-ZINC-SILVER DEPOSIT, AUSTRALIA: RARE EARTH ELEMENT SIGNATURES OF GARNET IN GARNET-RICH ROCKS
SPRY, Paul G.1, HEIMANN, Adriana1, MESSERLY, Joshua D.2, HOUK, Robert S.2 and TEALE, Graham S.3, (1)Geological & Atmospheric Sciences, Iowa State Univ, 253 Science I, Ames, IA 50011-3212, (2)Chemistry, Iowa State Univ, 1605 Gilman Hall, Ames, IA 50011-3020, (3)Teale and Associates, P.O. Box 740, North Adelaide, South Australia, 5006, Australia, pgspry@iastate.edu, pgspry@iastate.edu
7
9:30 AM
MESOPROTEROZOIC POLYCRASE-TITANITE VEINS IN THE SULLIVAN PB-ZN-AG DEPOSIT, SOUTHEASTERN BRITISH COLUMBIA: MINERAL CHEMISTRY, SHRIMP GEOCHRONOLOGY, AND METALLOGENIC SIGNIFICANCE
SLACK, John F., U.S. Geol Survey, MS 954, Reston, VA 20192, ALEINIKOFF, John N., U.S. Geol Survey, MS 963, Denver, CO 80225, BELKIN, Harvey E., U.S. Geol Survey, MS 956, Reston, VA 20192 and RANSOM, Paul, 9452 Clearview Rd, Cranbrook, BC V1C 7E2, Canada, jfslack@usgs.gov, jfslack@usgs.gov
 
9:45 AM
Break
8
10:00 AM
IRON OXIDE-COPPER-GOLD (IOCG) MINERALIZATION ASSOCIATED WITH CALCIC ALTERATION, EL ESPINO PROSPECT, CENTRAL CHILE
LOPEZ, Gloria1, VAN TREEK, Glen2, TRAVISANY, Vinicio2, RICHARD, Mike3, HITZMAN, Murray W.4 and NELSON, Eric4, (1)Dept. Geology & Geological Engineering, Colorado School of Mines, Golden, CO 80401, (2)Minera Teck Cominco Chile Ltda, Enrique Foster Sur 372, Las Condes, Santiago, (3)Minera Teck Cominco Chile Ltda, Enrique Foster Sur 372, Las Condes, Santiago, Chile, (4)Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, gplopezo@mines.edu, gplopezo@mines.edu
9
10:15 AM
MAGNESITE, TALC, AND PB-ZN MINERALIZATION ASSOCIATED WITH MIDDLE CAMBRIAN BRINE SEEPS ALONG THE KICKING HORSE RIM, SOUTHEASTERN BRITISH COLUMBIA
POWELL, Wayne G., Geology, Brooklyn College, 2900 Bedford Avenue, Brooklyn, NY 11210, JOHNSTON, Paul A., Royal Tyrrell Museum of Palaeontology, P.O. Box 7500, Drumheller, AB T0J 0Y0, Canada and COLLOM, Christopher, MacCallum Geological Consulting, 92 Gainsborough Dr SW, Calgary, AB T3E 4W8, Canada, wpowell@brooklyn.cuny.edu, wpowell@brooklyn.cuny.edu
10
10:30 AM
FLUID CHARACTERIZATION AT PINE POINT: A MICROTHERMOMETRIC STUDY
GROMEK, Paulina, Earth and Atmospheric Sciences, Univ of Alberta, Edmonton, AB T6G 2E3, Canada and GLEESON, Sarah A., Earth and Atmospheric Sciences, Univ of Alberta, Edmonton, T6G 2E3, pgromek@ualberta.ca, pgromek@ualberta.ca
11
10:45 AM
NEW INSIGHTS INTO THE ROLE OF THE OLD RED SANDSTONE AS A METALS SOURCE FOR ZN-PB MINERALIZATION IN THE IRISH MIDLANDS
CHAPMAN, Lucy H, School of Earth Sciences, James Cook Univ, Townsville, 4811, HERGT, Janet M., School of Earth Sciences, Univ of Melbourne, Parkville, 3010 and HITZMAN, Murray W., Department of Geology and Geoengineering, Colorado School of Mines, Golden, CO 80401, lucy.chapman@jcu.edu.au, lucy.chapman@jcu.edu.au
12
11:00 AM
SEDIMENTARY IRON DEPOSITS WITHIN THE ST. FRANCOIS MOUNTAINS MAGMATIC-HYDROTHERMAL IRON DISTRICT, SOUTHEAST MISSOURI
DUDLEY, Mark A., Department of Earth Science, Central Missouri State Univ, WCM 106 Science Building, Warrensburg, MO 64093 and NOLD, John L., Department of Earth Science, Central Missouri State Univ, 107 WCM Science Building, Warrensburg, MO 64093, dudley@cmsu1.cmsu.edu, dudley@cmsu1.cmsu.edu
13
11:15 AM
Withdrawn
14
11:30 AM
Withdrawn
15
11:45 AM
NEW DEVELOPMENTS IN PROCESS MINERALOGY, FROM QUANTIFYING GOLD IN AU-CU DEPOSITS TO HIGH-DENSITY GRAVITY SEPARATIONS
HOAL, K.1, SCHMIDT, R.1 and BAUGHMAN, D., (1)Hazen Rsch, Inc, 4601 Indiana St, Golden, CO 80403, karin_hoal@hotmail.com, karin_hoal@hotmail.com
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