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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 237
Tuesday, 24 October 2017: 1:30 PM-5:30 PM
Yakima 1 (The Conference Center)

T148. System-Scale Zonation of Ore Systems: Insights into 3D Architecture from Lateral and Deep Exposures Due to Mining and Structural Deformation

GSA Structural Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Society of Economic Geologists
Carson A. Richardson, Simone E. Runyon and Eric Seedorff, Advocates
 
1:30 PM
Introductory Remarks
237-1
1:45 PM
TOPS AND BOTTOMS OF PORPHYRY COPPER DEPOSITS REVISITED: VERTICAL AND LATERAL EXTENTS FROM YERINGTON, NV, AND BUTTE, MT (Invited Presentation)
DILLES, John H., College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503, PROFFETT, John M., P.O. Box 772066, Eagle River, AK 99577 and HOUSTON, Robert A., Oregon Department of Geology and Mineral Industries, Springfield Field Office, 3106 Pierce Parkway Suite D, Springfield, OR 97477, dillesj@geo.oregonstate.edu
237-2
2:05 PM
MULTI-STAGE INTRUSION AND DIFFERENTIATION: PETROLOGIC DEVELOPMENT OF THE LITTLE COTTONWOOD STOCK, UTAH
JENSEN, Collin G.1, CHRISTIANSEN, Eric H.1, STEARNS, Michael A.2, DORAIS, Michael J.1, DYORICH, Tober1, TOLWORTHY, Joseph1, DUNKLEY, Riley1, KINDRED, Thane1, MARTIN, Samuel1 and KEITH, Jeffrey D.1, (1)Department of Geological Sciences, Brigham Young University, S389 ESC, Provo, UT 84602, (2)Department of Geology and Geophysics, University of Utah, 115 S 1460 E, Salt Lake City, UT 84112, collinjensen72@gmail.com
237-3
2:20 PM
TRANSFER OF SULFUR IN THE MIOCENE COMSTOCK LODE AU-AG SYSTEM (NEVADA, USA) FROM MANTLE TO METEORIC WATER
VIKRE, Peter G.1, PRIBIL, Michael J.2, POULSON, Simon3, PREMO, Wayne R.2 and HAYDEN, Leslie A.4, (1)U.S. Geological Survey, Mackay School of Earth Sciences and Engineering, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, (2)U.S. Geological Survey, Denver Federal Center, Denver, CO 80225, (3)Department of Geology and Geological Engineering, University of Nevada Reno, Reno, NV 89557, (4)U.S. Geological Survey, Menlo Park, CA 94025, pvikre@usgs.gov
237-4
2:35 PM
MULTIPLE GENERATIONS OF CENOZOIC NORMAL FAULTS AND RELATED TILTING IN THE GOSHUTE MOUNTAINS AND TOANO RANGE, ELKO COUNTY, NEVADA, WITH GEOLOGIC IMPLICATIONS
RICHARDSON, Carson A., Department of Geosciences and Lowell Institute for Mineral Resources, University of Arizona, 1040 E. Fourth Street, Tucson, AZ 85721-0077 and SEEDORFF, Eric, Lowell Institute for Mineral Resources, Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, carichardson@email.arizona.edu
237-5
2:50 PM
ARCHITECTURE AND GENESIS OF HYDROTHERMAL SYSTEMS IN TILTED MID-CENOZOIC CALDERAS, NORTHERN GREAT BASIN, USA
JOHN, David A.1, COLGAN, Joseph P.2, WATTS, Kathryn E.1 and HENRY, Christopher D.3, (1)U.S. Geological Survey, Menlo Park, CA 94025, (2)U.S. Geological Survey, Denver Federal Center, Lakewood, CO 80225, (3)Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, djohn@usgs.gov
237-6
3:05 PM
SMALL, EPHEMERAL AND SHALLOW RELATIONSHIPS: AMALGAMATING MO-MINERALIZING MAGMAS AT THE QUESTA PORPHYRY MO DEPOSIT
GAYNOR, Sean1, ROSERA, Josh2 and COLEMAN, Drew S.2, (1)Department of Geological Sciences, UNC Chapel Hill, Chapel Hill, NC 27599, (2)Department of Geological Sciences, University of North Carolina at Chapel Hill, Mitchell Hall CB 3315, 104 South Rd., Chapel Hill, NC 27599-3315, sgaynor@email.unc.edu
237-7
3:20 PM
AJO MINING DISTRICT, SOUTHWESTERN ARIZONA: LARAMIDE MAGMATISM, PORPHYRY COPPER MINERALIZATION, AND STRUCTURAL EVOLUTION
RUNYON, Simone E., Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721, SEEDORFF, Eric, Lowell Institute for Mineral Resources, Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721-0077 and STEGEN, Ralph J., Freeport-McMoRan Copper Gold, 10861 Mavinee Drive, Oro Valley, AZ 85737, srunyon@email.arizona.edu
 
3:35 PM
Break
237-8
3:50 PM
GEOCHEMISTRY OF THE DOME MINE ANKERITE VEINS; INSIGHTS INTO FLUID FLOW PATHWAYS AND THE MULTI-STAGE ENRICHMENT OF A WORLD-CLASS OROGENIC GOLD DEPOSIT
STROMBERG, J.M.1, BARR, Erik2, VANLOON, Lisa1 and BANERJEE, Neil R.1, (1)Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7, Canada, (2)Kirkland Lake Gold, Val Gagne, ON P0K 1W0, jessica.m.stromberg@gmail.com
237-9
4:05 PM
STRUCTURAL GEOLOGIC EVOLUTION OF THE BOTIJA PORPHYRY CU – MO – (AU) DEPOSIT, PANAMA
SEPP, Michael D., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97330 and DILLES, John, Geosciences, Oregon State University, Corvallis, OR 97331, mikesepp@gmail.com
237-10
4:20 PM
TIMING AND RELATIONS OF MAGNETITE AND COPPER ORE MINERALIZATION IN IOCG AND MTAP DEPOSITS: COASTAL CORDILLERA, COPIAPO REGION CHILE,
DELGAUDIO Jr., Stephen, Dept of Earth Sciences, Memorial University of Newfoundland, 300 Prince Phillip Drive, St. Johns, NF A1B 3X5, Canada, HANCHAR, John M., Dept of Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B 3X5, Canada and TORNOS, Fernando, Consejo Superior de Investigaciones Cientificas (IGEO), Madrid, 28040, Spain, sdelgaudio@mun.ca
237-11
4:35 PM
LATE TRIASSIC PORPHYRY MOLYBDENUM MINERALIZATION IN THE WESTERN QINLING, CHINA: AN EXAMPLE FROM THE WENQUAN DEPOSIT
QIU, Kun-Feng1, DENG, Jun2, YU, Hao-Cheng2 and GOU, Zong-Yang2, (1)China University of Geosciences, Beijing, 100083, China; Colorado School of Mines, Golden, CO 80401, (2)China University of Geosciences, Beijing, 100083, China, kunfengqiu@qq.com
237-12
4:50 PM
EVIDENCE FOR A COMPLEX, MULTI-PHASE AND ZONED OLIGO-MIOCENE MAGMATIC-HYDROTHERMAL SYSTEM WITHIN THE STRATONI FAULT ZONE, NORTHERN GREECE
SIRON, Chris R.1, THOMPSON, John F.H.1, BAKER, Tim2, DARLING, Robert S.3 and DIPPLE, Gregory4, (1)Department of Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, (2)Eldorado Gold Corporation, 1188 Bentall 5 - 550 Burrard Street, Vancouver, BC V6C 2B5, Canada, (3)Geology Department, SUNY College at Cortland, Cortland, NY 13045, (4)Mineral Deposit Research Unit, Department of Earth, Ocean & Atmospheric Sciences, The University of British Columbia, 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, crsiron@gmail.com
237-13
5:05 PM
HYDROTHERMAL ALTERATION AND MINERALIZATION AT THE CUKARU PEKI CU-AU DEPOSIT, TIMOK CU-AU METALLOGENIC BELT, SERBIA
WETZEL, Matthew1, CANBY, Vertrees1 and BARTON, Mark D.2, (1)Freeport McMoRan Exploration Corporation, Oro Valley, AZ 85737, (2)Dept. of Geosciences, University of Arizona, Tucson, AZ 85721, mwetzel@fmi.com
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