GSA Connects 2022 meeting in Denver, Colorado

Session No. 152
Tuesday, 11 October 2022: 8:00 AM-12:00 PM
406 (Colorado Convention Center)

T52. Convergent Margin Magmatism and Ore Deposits to Honor the Range of Contributions by John H. Dilles

Society of Economic Geologists; Mineralogical Society of America; Geochemical Society; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Richard Tosdal and Thomas Monecke, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
METASOMATIZED LITHOSPHERIC MANTLE AN UNLIKELY SOURCE FOR PORPHYRY CU DEPOSITS IN THE SOUTHERN BASIN AND RANGE
KEMPTON, Pamela, Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506-3200, MATHUR, Ryan, Department of Geology, Juniata College, 1700 Moore Street, Huntingdon, PA 16652 and BRUESEKE, Matthew, Department of Geology, Kansas State University, Manhattan, KS 66506
8:20 AM
LITTLE PLUTONS BETWEEN BIG PLUTONS: PROBING TRANSITIONS OF MAGMA FLUX IN THE SIERRA NEVADA BATHOLITH
LACKEY, Jade Star, BRADY, Graham and MCCARTY, Kyle, Geology Department, Pomona College, Claremont, CA 91711
8:35 AM
ZIRCON TEXTURE AND COMPOSITION DEFINE COPPER DEPOSIT POTENTIAL IN METALLOGENIC BELTS; CASE STUDIES FROM THE WESTERN TETHYAN AND NORTH AMERICAN CORDILLERAN OROGENIC BELTS
LEE, Robert, BOUZARI, Farhad, WAINWRIGHT, Alan J., RABAYROL, Fabien, CROSS, Eoin, FRIEND, Melissa, HART, Craig J.R. and BARKER, Shaun, Mineral Deposit Research Unit, University of British Columbia, 2207-2020 Main Mall, Vancouver, BC V6T 1Z4, Canada
8:50 AM
EVOLVING METAL RATIOS IN THE LONG-LIVED SULPHURETS PORPHYRY AU-CU-MO DISTRICT: A LINK BETWEEN METAL ENDOWMENT IN PORPHYRY COPPER DEPOSITS AND DEEP CRUSTAL PROCESSES
CAMPBELL, Michelle and DILLES, John, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331
9:05 AM
THE PETROLOGY OF WALL-ROCK ALTERATION ZONES IN PORPHYRY CU-MO-AU DEPOSITS: CONSTRAINTS ON THE TIMING, TEMPERATURE, AND PRESSURE CONDITIONS OF SULFIDE ORE FORMATION
DILLES, John, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, CERNUSCHI, Federico, Eclectic Rock, Calle 18 y 28, Punta del Este, Maldonado, 20100, Uruguay, OSORIO, Jaime, CODES, University of Tasmania, Private Bag 79, Hobart, TAS 7001, Australia and PROFFETT, John, P.O. Box 772066, Eagle River, AK 99577
9:20 AM
VEIN SEQUENCE CHRONICLES CUPOLA GROWTH AND COLLAPSE: THE BUTTE EXAMPLE
REED, Mark1, ACOSTA, Marisa D.2 and WATKINS, James M.1, (1)Department of Earth Sciences, University of Oregon, Eugene, OR 97403, (2)Institute of Earth Sciences, University of Lausanne, Géopolis, Lausanne, CH-1015, Switzerland
 
9:35 AM
Break
9:50 AM
A DISCUSSION ON THE TIMING AND TEMPERATURE OF COPPER AND MOLYBDENUM PRECIPITATION IN PORPHYRY DEPOSITS
CERNUSCHI, Federico, Eclectic Rock, Calle 18 y 28, Punta del Este, Maldonado, 20100, Uruguay, DILLES, John, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, OSORIO, Jaime, CODES, University of Tasmania, Private Bag 79, Hobart, TAS 7001, Australia, PROFFETT, John, P.O. Box 772066, Eagle River, AK 99577 and KOUZMANOV, Kalin, University of Geneva, Geneva, Switzerland
10:05 AM
TIMING OF HYPOGENE CU INTRODUCTION DURING THE EVOLUTION OF MAGMATIC-HYDROTHERMAL SYSTEMS FORMING PORPHYRY COPPER DEPOSITS
MONECKE, Thomas1, REYNOLDS, T. James2, TSURUOKA, Subaru3 and KOCHER, Simon1, (1)Department of Geology and Geological Engineering, Colorado School of Mines, Center for Advanced Subsurface Earth Resource Models (CASERM), Golden, CO 80401, (2)FLUID INC, 1401 Wewatta St. #PH3, Denver, CO 80202; Department of Geology and Geological Engineering, Colorado School of Mines, Center for Advanced Subsurface Earth Resource Models (CASERM), Golden, CO 80401, (3)Irish Centre for Research in Applied Geosciences, University College Dublin, Belfield, Dublin, 4, Ireland
10:20 AM
MAGMAS, METALS AND DEEP ROOTS OF HYDROTHERMAL SYSTEMS: LESSONS FROM ACTIVE SYSTEMS OF NEW ZEALAND (Invited Presentation)
CHAMBEFORT, Isabelle, GNS Science, Wairakei Research Centre, 114 Karetoto Rd, Taupo, 3384, New Zealand and DILLES, John, College of Earth, Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503
10:40 AM
TEMPORAL-SPATIAL ZONING OF HYDROTHERMAL ALTERATION MINERALOGY AND GEOCHEMISTRY OF QUARTZ-ALUNITE-HOSTED EPITHERMAL AU-CU-AG ORE DEPOSITS AT SUMMITVILLE, COLORADO
SEPP, Michael, Anchorage, DILLES, John, College of Earth, Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503 and COOLBAUGH, Mark F., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557
11:10 AM
CORDILLERAN IOCG SYSTEMS – INTEGRATING AND HONORING THE CUMULATIVE EVIDENCE (Invited Presentation)
BARTON, Mark, Department of Geosciences and Lowell Institute for Mineral Resources, University of Arizona, 1040 East Fourth Street, Tucson, AZ 85721-0077
 
11:30 AM
Concluding Remarks
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