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Session No. 11
Sunday, 31 October 2010: 8:00 AM-12:00 PM
Room 601 (Colorado Convention Center)

T34. Vapors, Brines, Sulfides, and Mines: Understanding Metal Mobility in Magma-Hydrothermal Systems and Their Supergene Successors

Society of Economic Geologists; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Hydrogeology Division

 

Jacob B. Lowenstern, Adam Simon and Charles Alpers, Advocates
Paper #
Start Time
1
8:00 AM
VOLATILITY OF METAL(LOIDS) AND THE GEOGRAPHIC-GEOCHEMICAL ZONATION OF TERTIARY EPITHERMAL/EPIZONAL ORES IN WESTERN USA
SAUNDERS, J., Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849 and BRUESEKE, M., Geology, Kansas State Univ, Manhattan, KS 66506, saundja@auburn.edu, saundja@auburn.edu
2
8:15 AM
THE ORIGIN OF CARLIN-TYPE GOLD DEPOSITS
MUNTEAN, John L.1, CLINE, Jean S.2, SIMON, Adam2 and LONGO, Anthony A.2, (1)Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, (2)Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, NV 89154-4010, munteanj@unr.edu, munteanj@unr.edu
3
8:30 AM
CONSTRAINTS on VAPOR SATURATION IN CUMULATES OF THE UPPER CRITICAL ZONE OF THE BUSHVELD COMPLEX
MUNGALL, James E., Geology, University of Toronto, 22 Russell St, Toronto, ON M5S 3B1, Canada, mungall@geology.utoronto.ca, mungall@geology.utoronto.ca
4
8:50 AM
CFD MODELLING OF HYDROTHERMAL TRANSPORT IN THE EARTH'S CRUST: IMPLICATIONS FOR THE FORMATION OF ORE BODIES
RICE, Alan, Earth and Planetary Sciences, American Museum of Natural History, 79th St and Central Park West, New York, NY 10024, arice@amnh.org, arice@amnh.org
5
9:05 AM
THE SATURATION OF ANDESITIC MAGMA BY COPPER-IRON SULFIDE MINERALS AND LIQUIDS AS A FUNCTION OF OXYGEN FUGACITY, SULFUR FUGACITY, AND IRON TO COPPER RATIO OF THE MELT
MENGASON, Michael, PICCOLI, Philip and CANDELA, Philip, Department of Geology, University of Maryland, College Park, MD 20742, mengason@umd.edu, mengason@umd.edu
6
9:20 AM
THE FORMATION OF AU-RICH PORPHRY DEPOSITS: WHERE IS THE CU?
SIMON, Adam1, MUNTEAN, John2 and AILLAUD, Brian1, (1)Geoscience, UNLV, 4505 Maryland Parkway, Las Vegas, NV 89154, (2)Nevada Bureau of Mines and Geology, Unversity of Nevada, Reno, Reno, NV 89557-0088, adam.simon@unlv.edu, adam.simon@unlv.edu
7
9:35 AM
MOLYBDENUM BEHAVIOR IN RHYOLITIC MELTS: EFFECTS OF OXYGEN FUGACITY, MOLYBDENITE SATURATION AND TECTONIC SETTING
AUDÉTAT, Andreas, Bayerisches Geoinstitut, Universität Bayreuth, Bayreuth, 95440, Germany, DOLEJS, David, Institute of Petrology and Structural Geology, Charles University, Prague, 12843, Czech Republic and LOWENSTERN, Jacob B., USGS Volcano Science Center, 345 Middlefield Road, Menlo Park, CA 94025, jlwnstrn@usgs.gov, jlwnstrn@usgs.gov
 
9:50 AM
Break
8
10:05 AM
ANDESITE MELT-VOLATILE EQUILIBRIA AND ITS IMPLICATIONS FOR THE FORMATION OF MAGMATIC-HYDROTHERMAL ORE DEPOSITS
ZAJACZ, Zoltan, CANDELA, Philip M. and PICCOLI, Philip, Department of Geology, University of Maryland, College Park, College Park, MD 20742, zajacz@umd.edu, zajacz@umd.edu
9
10:20 AM
COPPER IN MAGMATIC EFFLUVIA
CANDELA, Philip, PICCOLI, Philip, ZAJACZ, Zoltan, TATTITCH, Brian and MENGASON, Michael, Department of Geology, University of Maryland, College Park, MD 20742, candela@geol.umd.edu, candela@geol.umd.edu
10
10:40 AM
HARD-SOFT ACID-BASE CONCEPTS APPLIED TO METAL SEGREGATION INTO THE FLUID (VAPOUR) PHASE DURING THE MAGMATIC STAGE
DULEY, Soma1, CHATTARAJ, Pratim K.1 and VIGNERESSE Sr, Jean Louis2, (1)Dept of Chemistry, IIT Kharagpur, Kharagpur, 721302, India, (2)G2R, Nancy Universite, bp 23, cregu, Vandoeuvre, 54501, France, pkc@chem.iitkgp.ernet.in, pkc@chem.iitkgp.ernet.in
11
10:55 AM
THE EFFECT OF CO2 ON COPPER PARTITIONING IN A FELSIC MELT-VAPOR-BRINE ASSEMBLAGE
TATTITCH, Brian1, CANDELA, Philip M.2, PICCOLI, Philip2, BODNAR, Robert J.3 and FEDELE, L.4, (1)Earth Sciences, University of Bristol, Bristol, BS8 1RJ, United Kingdom, (2)Department of Geology, University of Maryland, College Park, College Park, MD 20742, (3)Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, (4)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, Brian.Tattitch@bristol.ac.uk, Brian.Tattitch@bristol.ac.uk
12
11:10 AM
GEOCHEMICAL PROCESSES CONTROLLING THE RELATIVE ABUNDANCE OF COPPER, ZINC, AND CADMIUM IN WEATHERING PRODUCTS OF VOLCANOGENIC MASSIVE SULFIDE DEPOSITS
ALPERS, Charles N., U.S. Geological Survey, California Water Science Center, 6000 J St, Placer Hall, Sacramento, CA 95819, cnalpers@usgs.gov, cnalpers@usgs.gov
13
11:25 AM
INSIGHTS INTO THE MIGRATION AND CONCENTRATION OF CU DURING WEATHERING FROM CU ISOTOPE FRACTIONATION
MATHUR, Ryan, Department of Geology, Juniata College, 1700 Moore Street, Huntingdon, PA 16652, Mathur@juniata.edu, Mathur@juniata.edu
14
11:45 AM
MICROBIAL CONTROLS ON ORE WEATHERING AND METAL ION MOBILITY
LESLIE, K.L.1, IHLENFELD, C.2, OATES, C.2, BARR, J.3 and FOWLE, D.A.1, (1)Department of Geology, University of Kansas, 2030 Becker Dr, Lawrence, KS 66047, (2)Geochemistry Division, Anglo American, 20 Carlton House Terrace, London, SW1Y 5AN, United Kingdom, (3)Geochemistry Division, Anglo American, 700 West Pender Street, Suite 800, Vancouver, BC V6B 1G8, Canada, kleslie@ku.edu, kleslie@ku.edu
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