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Cordilleran Section - 98th Annual Meeting (May 13–15, 2002)

Session No. 7
Monday, 13 May 2002: 8:00 AM-12:00 PM

T30. Volcanic Arcs and Ores: Links of Magmatic Gases with Porphyry Copper and Epithermal Gold Deposits

 

John H. Dilles, Cyrus W. Field and Mark H. Reed, Advocates
Paper #
Start Time
0
9:30 AM
MAGMATIC-HYDROTHERMAL FLUIDS: A SUMMARY OF TEMPORAL AND SPATIAL EVOLUTION FROM THE 6 KM VERTICAL TRANSECT OF THE PORPHYRY COPPER SYSTEMS IN THE YERINGTON BATHOLITH, NEVADA
DILLES, John H., Geosciences, Oregon State Univ, Wilkinson Hall 104, Corvallis, OR 97331-5506, dillesj@geo.orst.edu, dillesj@geo.orst.edu
0
9:45 AM
COMB QUARTZ LAYERS IN THEPORPHYRY COPPER DEPOSIT AT YERINGTON, NEVADA
ATKINSON, William W., Geological Sciences, Univ of Colorado, 0399 UCB, Boulder, CO 80309 and WARE, Hunter, Ware Exploration, P.O. Box 153, Ivy, VA 22045, william.atkinson@colorado.edu, william.atkinson@colorado.edu
0
10:00 AM
ADVANCED ARGILLIC AND SERICITIC ALTERATION IN THE BUCKSKIN RANGE, NEVADA: A PRODUCT OF ASCENDING MAGMATIC FLUIDS FROM THE DEEPER YERINGTON PORPHYRY COPPER ENVIRONMENT
LIPSKE, Joanna L., Dept. of Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97330, lipskej@geo.orst.edu, lipskej@geo.orst.edu
0
10:15 AM
FLUID INCLUSION EVIDENCE FOR MAGMATIC FLUID EVOLUTION IN THE PORPHYRY COPPER DEPOSIT; BUTTE, MONTANA
RUSK, Brian1, REED, Mark H.2, DILLES, John H.3, KLEMM, Leonhard4 and HEINRICH, Chris A.4, (1)GEOLOGICAL SCIENCES, Univ OF OREGON, 1272 UNIVERSITY OF OREGON, Eugene, OR 97403, (2)GEOLOGICAL SCIENCES, UNIVERSITY OF OREGON, 1272 UNIVERSITY OF OREGON, Eugene, OR 97403, (3)Geosciences, Oregon State Univ, Wilkinson Hall 104, Corvallis, OR 97331-5506, (4)Department of Earth Sciences, ETH, Zürich, Isotope Geochem and Mineral Resources, ETH Zentrum NO, 8092, Zurich, Switzerland, brusk@darkwing.uoregon.edu, brusk@darkwing.uoregon.edu
0
10:30 AM
LOW SALINITY FLUID INCLUSIONS IN MAIN STAGE VEINS OF THE BUTTE, MONTANA PORPHYRY COPPER DEPOSIT
GORMAN-LEWIS, Drew J.1, REED, Mark H.2 and RUSK, Brian G.2, (1)Geology, Univ of Oregon, 4492 Shadow Wood Dr, Eugene, OR 97405, (2)Geology, Univ of Oregon, Eugene, OR 97403, mouse@oregon.uoregon.edu, mouse@oregon.uoregon.edu
 
10:45 AM
Discussion
 
8:00 AM
Introductory Remarks
0
8:15 AM
REGIONAL METALLOGENY OF THE TERTIARY CASCADES VOLCANIC ARC IN WASHINGTON, OREGON, AND NORTHERN CALIFORNIA
ASHLEY, Roger P., U.S. Geol Survey, MS901, 345 Middlefield Rd, Menlo Park, CA 94025, ashley@usgs.gov, ashley@usgs.gov
0
8:30 AM
HYDROTHERMAL ALTERATION AND STABLE ISOTOPE CONSTRAINTS ON FORMATION OF THE MULE CANYON LOW-SULFIDATION AU-AG DEPOSIT, NORTH-CENTRAL NEVADA
JOHN, David A., US Geol Survey, 345 Middlefield Rd, MS-901, Menlo Park, CA 94025-3561 and HOFSTRA, Albert H., U.S. Geol Survey, MS-973, Box 25046, Denver, CO 80225, djohn@usgs.gov, djohn@usgs.gov
0
8:45 AM
VOLCANIC STRATIGRAPHY AND HOST ROCKS OF GOLD AND COPPER ORE IN THE YANACOCHA MINING DISTRICT, PERU
LONGO, Anthony A., Geosciences, Oregon State Univ, Corvallis, OR 97331 and SADERHOLM, Eric, Newmont Mining Corp, Denver, CO 80203, longot@geo.orst.edu, longot@geo.orst.edu
0
9:00 AM
TRACKING THE BEHAVIOR OF SULFUR IN FELSIC INTRUSIONS USING S-ISOTOPES
CORE, Daniel P., Geological Sciences, Univ of Michigan, 2534 C. C. Little Building, 425 E. University Ave, Ann Arbor, MI 48109, ALT, Jeffrey C., Department of Geological Sciences, The Univ of Michigan, 2534 C.C. Little Building, Ann Arbor, MI 48109-1063 and KESLER, Stephen E., Univ Michigan - Ann Arbor, 425 E University Ave, Ann Arbor, MI 48109-1063, dcore@umich.edu, dcore@umich.edu
 
9:15 AM
Break
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