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2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 200
Wednesday, 31 October 2007: 8:00 AM-12:00 PM

T106. Geologic Structures, Fluid Flow, and Ore Deposits

GSA Hydrogeology Division; GSA Structure and Tectonics Division, GSA Geophysics Division, Society of Economic Geologists, U.S. Geological Survey; GSA Geology and Society Division

 

Jonathan Saul Caine and Eric P. Nelson, Advocates
Paper #
Start Time
1
8:00 AM
THE MECHANICAL AND FLUID PRESSURE EVOLUTION OF THE ARGO FAULT ZONE, KAMBALDA, WESTERN AUSTRALIA: AN EXAMPLE OF AN ARCHEAN, SHEAR-HOSTED, MESOTHERMAL GOLD SYSTEM
CRAWFORD, Matthew A., Department of Earth and Marine Sciences, The Australian National University, Canberra, 0200, Australia and COX, Stephen F., Department of Earth and Marine Sciences, and Research School of Earth Sciences, The Australian National University, Canberra, 0200, Australia, Stephen.Cox@anu.edu.au, Stephen.Cox@anu.edu.au
2
8:15 AM
HYDROTHERMAL METAMORPHISM AND TRANSIENT DEPTH FLUCTUATIONS OF THE BRITTLE-DUCTILE TRANSITION DURING SHEAR-ZONE HOSTED IOCG MINERALIZATION
NELSON, Eric P., Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, HITZMAN, Murray W., Chair, National Research Council Committ on Induced Seismicity Potential and Dept. Geology & Geological Engineering, Colorado School of Mines, Golden, CO 80401 and MONTEIRO, Lena V.S., Instituto de Geociências, Universidade Estadual de Campinas, Campinas, Sao Paulo, Brazil, enelson@mines.edu, enelson@mines.edu
3
8:30 AM
STRUCTURAL EVOLUTION OF GOLD-BEARING COBALT-COPPER DEPOSITS OF THE BLACKBIRD MINING DISTRICT, EAST-CENTRAL IDAHO
LUND, K., U.S. Geological Survey, MS 973, DFC, Denver, CO 80225, EVANS, K.V., U.S. Geological Survey, MS 973 DFC, Denver, CO 80225 and KUNK, M.J., US Geological Survey, MS 926A, National Center, Reston, VA 20192, klund@usgs.gov, klund@usgs.gov
4
8:45 AM
STRUCTURES AS PATHS OF LEAST RESISTANCE FOR HYDROTHERMAL FLUID FLOW: INTERPRETATIONS OF SOME LARGE, GEOMETRICALLY COMPLEX ORE SYSTEMS
RIDLEY, John, Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, jridley@cnr.colostate.edu, jridley@cnr.colostate.edu
5
9:00 AM
DO INHERITED BASEMENT DEFORMATION ZONES CONTROL THE LOCATION OF ONE OF COLORADO'S MOST PRODUCTIVE REGIONS OF EPITHERMAL, POLYMETALLIC VEINS?
CAINE, Jonathan Saul, U.S. Geological Survey, P.O. Box 25046, MS 964, Denver, CO 80225, jscaine@usgs.gov, jscaine@usgs.gov
6
9:15 AM
STRUCTURAL ELEMENTS WITHIN CRETACEOUS AND TERTIARY PLUTONS IN THE FRONT RANGE PORTION OF THE COLORADO MINERAL BELT
REHRIG, W.A.1, KLEIN, T.L.2 and DEWITT, E.H.2, (1)7163 S. Chase Way, Lakewood, CO 80128, (2)Central Mineral Resources Team, US Geological Survey, MS 973, Denver Federal Center, Lakewood, CO 80225, BillRehrig@comcast.net, BillRehrig@comcast.net
7
9:30 AM
STRUCTURAL CONTROL OF EPITHERMAL MINERALIZATION: EVIDENCE FROM THE SOVEREIGN-JUBILEE DEPOSIT, HAURAKI GOLDFIELD, NEW ZEALAND
GRODZICKI, Kathryn R.1, SPÖRLI, K. Bernhard1, MAUK, Jeffrey L.2 and ROWLAND, Julie V.1, (1)School of Geography, Geology and Environmental Science, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand, (2)US Geological Survey, PO Box 25046, MS 973, Denver, CO 80232, k.grodzicki@auckland.ac.nz, k.grodzicki@auckland.ac.nz
8
9:45 AM
VOLCANIC AND TECTONIC EVOLUTION OF THE COROMANDEL VOLCANIC ZONE, AND ITS INFLUENCE ON THE STYLE OF EPITHERMAL MINERALISATION IN THE HAURAKI GOLDFIELD, NEW ZEALAND
MAUK, Jeffrey L., US Geological Survey, PO Box 25046, MS 973, Denver, CO 80232 and HALL, Chris Micheal, Department of Geological Sciences, University of Michigan, 2534 C.C. Little Building, 425 E. University Ave, Ann Arbor, MI 48109-1005, jmauk@usgs.gov, jmauk@usgs.gov
 
10:00 AM
Break
9
10:15 AM
MAGMATIC VAPOR PLUMES, MIGRATED EXTENSION, AND THE FORMATION OF EPITHERMAL HIGH-SULFIDATION GOLD-COPPER DEPOSITS
HENLEY, Richard W., Visiting Fellow, Research School of Earth Sciences, Australian National University, Canberra, Australia and BERGER, Byron R., U.S. Geological Survey, Federal Center MS 964, Denver, CO 80225-0046, bberger@usgs.gov, bberger@usgs.gov
10
10:30 AM
FACTORS AFFECTING THE PRECIPITATION OF QUARTZ UNDER HYDROTHERMAL CONDITIONS
PEPPLE, Christopher, Dept. of Geology, Bowling Green St. Univ, Bowling Green, OH 43403, FARVER, John R., Dept of Geology, Bowling Green State University, 190 Overman Hall, Bowling Green, OH 43403 and ONASCH, Charles, Dept. of Geology, Bowling Green St. Univ, 190 Overman Hall, Bowling Green, OH 43403, colbype@bgsu.edu, colbype@bgsu.edu
11
10:45 AM
EVOLUTION OF FLUID CHEMISTRY DURING SYNTECTONIC VEIN FORMATION
BARKER, Shaun L.L.1, COX, Stephen F.2, GAGAN, Michael K.1 and EGGINS, Stephen M.1, (1)Research School of Earth Sciences, The Australian National University, Mills Rd, Canberra, 0200 ACT, Australia, (2)Department of Earth and Marine Sciences, and Research School of Earth Sciences, The Australian National University, Canberra, 0200 ACT, Australia, shaun.barker@anu.edu.au, shaun.barker@anu.edu.au
12
11:00 AM
BRINE MIGRATION AND FORMATION OF HYDROTHERMAL ZEBRA DOLOMITE, SEDEX, AND PB-ZN DEPOSITS ALONG THE PALEOZOIC CARBONATE PLATFORM OF THE GREAT BASIN, NEVADA AND UTAH
DIEHL, S.F.1, HOFSTRA, A.H.2, KOENIG, A.E.3, CHRISTIANSEN, W.4, JOHNSON, C.A.4, EMSBO, P.5 and LUFKIN, J.6, (1)U.S. Geol Survey, Box 25046 DFC, M.S. 964, Denver, CO 80225-0046, (2)Denver Inclusion Analysis Laboratory, USGS, MS-973, Box 25046, Denver, CO 80225, (3)U.S. Geological Survey, Box 25046, Denver Federal Center, Denver, CO 80303, (4)U.S. Geological Survey, Box 25046, Denver Federal Center, Denver, CO 80225, (5)USGS-DIAL, Box 25046, MS 973, Denver, CO 80225, (6)Golden, 80401, diehl@usgs.gov, diehl@usgs.gov
13
11:15 AM
MECHANICAL MODELING OF FAULTS WITH WING CRACKS: EFFECTS ON FLUID FLOW AND LOCAL PERMEABILITY
MUTLU, Ovunc and POLLARD, David D., Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2115, dpollard@stanford.edu, dpollard@stanford.edu
14
11:30 AM
FAULT CONTROLLED FLUID CIRCULATION IN ACTIVE HOT SPRING AND EOCENE CARLIN-TYPE SYSTEMS IN THE GREAT BASIN
BANERJEE, Amlan1, PERSON, Mark1, HOFSTRA, A.H2 and SWEETKIND, Donald S.3, (1)Geology, Indiana University, 1001 East 10th Street, Bloomington, IN 47405, (2)USGS, U.S Geological Survey, Mail Stop 973, Box 25046, Denver Federal Center, Denver, Denver, CO 80225, (3)U.S Geological Survey, Mail Stop 973, Box 25046, Denver, CO 80225, ambanerj@indiana.edu, ambanerj@indiana.edu
15
11:45 AM
REACTIVE FLOW MODELING OF FLUID MIXING & ORE GENESIS AT RED DOG, ALASKA
GARVEN, Grant, Earth and Ocean Sciences, Tufts University, 105 Lane Hall, 2 North Hill Rd., Medford, MA 02155, SCHARDT, Christian, Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, KELLEY, Karen D., USGS MS973, Box 25046, Denver, CO 80225 and LEACH, David L., USGS, MS964, Denver, CO 80225, Grant.Garven@tufts.edu, Grant.Garven@tufts.edu
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