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Cordilleran Section - 119th Annual Meeting - 2023

Session No. 1
Wednesday, 17 May 2023: 8:00 AM-12:00 PM
Whitney Peak Ballroom 2 (The Whitney Peak Hotel)

T2. Drivers of Cordilleran Magmatic Processes and Geochemistry

 

Juliet Ryan-Davis, Madeline Lewis, Penny Wieser and Claire Bucholz, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1-1
8:05 AM
FRACTIONATION OF CHALCOPHILE AND SIDEROPHILE ELEMENTS IN SULFIDE-SATURATED LITHOSPHERIC MAGMAS OF THE WESTERN GREAT BASIN: RELATION TO MAJOR AU-AG DEPOSITS
VIKRE, Peter, U.S. Geological Survey, Mackay School of Earth Sciences and Engineering, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, THOMPSON, Jay, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, PO Box 25046 MS 973, Denver, CO 80225, PRIBIL, Michael J., U.S. Geological Survey, Denver, CO 80225 and PREMO, Wayne, USGS,MS 963, Denver Federal Center, Denver, CO 80225
1-2
8:25 AM
MAKING MIDDLE CRUST; A COMPARISON OF JUXTAPOSED OCEANIC AND CONTINENTAL MARGIN PLUTONS IN THE WESTERN ALASKA RANGE
TODD, Erin, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508
1-3
8:45 AM
DOCUMENTING SPATIAL AND TEMPORAL CHANGES IN THE GROWTH OF THE SIERRA NEVADA BATHOLITH, AS RECORDED IN ZIRCON TRACE ELEMENT SIGNATURES
CAMPBELL, Joella, Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91330 and CECIL, Robinson, Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266
1-4
9:05 AM
GEOCHEMICAL AND GEODYNAMIC MODELING EVIDENCE OF MELTS GENERATED BY FLUID INFILTRATION OF THE CONTINENTAL CRUST DURING LARAMIDE FLAT-SLAB SUBDUCTION
CRADDOCK AFFINATI, Suzanne, School of Earth and Environmental Sustainability, Northern Arizona University, 625 S. Knoles Dr., Flagstaff, AZ 86011, HOISCH, Thomas D., School of Earth & Sustainability, Northern Arizona University, P.O. Box 4099, Flagstaff, AZ 86011 and HAXEL, Gordon B., U.S. Geological Survey, Flagstaff, AZ 86001
1-5
9:25 AM
ONE-FELDSPAR GRANITES IN THE SODA MOUNTAINS: MESOZOIC A-TYPE GRANITES IN THE MOJAVE?
CHANG, Carey and VAN BUER, Nicholas, California State Polytechnic Pomona, Department of Geological Sciences, California, CA 91768
 
9:45 AM
Break
1-6
10:00 AM
AN EARLY EOCENE LARGE IGNEOUS PROVINCE, NORTHWESTERN NORTH AMERICA, WITH IMPLICATIONS FOR CORDILLERAN TECTONICS AND COEVAL CLIMATIC EXCURSIONS
VAN WAGONER, Nancy, Physical, Thompson Rivers University, Physical Sciences, 805 University Way, Kamloops, BC V2C 0C8, Canada, OOTES, Luke, British Columbia Geological Survey, Ministry of Energy, Mines and Low Carbon Innovation, Victoria, BC V8W 9N3, Canada, MIHALYNUK, Mitchell G., British Columbia Geological Survey, Victoria, BC V8W 9N3, Canada and WALL, Corey J., Earth, Ocean and Atmospheric Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 2020, Earth Sciences Building, 2207 Main Mall, Vancouver, BC V6T1Z4, Canada
1-7
10:20 AM
THE RADIOGENIC ISOTOPE RECORD OF CENOZOIC CONTINENTAL ARC MAGMATISM ACROSS EASTERN CALIFORNIA AND NORTHERN NEVADA: MANTLE VS. CRUSTAL SOURCES AND ISOTOPIC BOUNDARIES
COUSENS, Brian1, HENRY, Christopher D.2, CHAN, Sabrina1, SULLIVAN, Jacob1, PEGG, Brittany1, BODDY, Martina1 and TIMMERMANS, Ann C.3, (1)Earth Sciences, Carleton University, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA, (2)Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, (3)Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada
1-8
10:40 AM
THE STONE CABIN FORMATION, NEVADA, USA: GEOCHEMICAL AND ISOTOPIC INDICATORS OF MAGMA SOURCES AND CRUSTAL INFLUENCE IN AN EOCENE CALDERA SYSTEM
CHAN, Sabrina, Earth Sciences, Carleton University, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA, COUSENS, Brian, Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, CANADA and HENRY, Christopher D., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557
1-9
11:00 AM
INSIGHTS FROM CRYSTAL CHEMISTRY INTO THE PLUMBING SYSTEM OF A RAPIDLY ERUPTED SHIELD VOLCANO, CASCADES VOLCANIC ARC, CALIFORNIA
HARRISON, Lauren, CLYNNE, Michael A. and MUFFLER, L.J. Patrick, U.S. Geological Survey, California Volcano Observatory, 345 Middlefield Rd, MS910, Menlo Park, CA 94025
1-10
11:20 AM
DOES THE ARRIVAL OF RECHARGE MAGMA CONTROL THE TIMING OF VOLCANIC ERUPTIONS? EVIDENCE FOR POST-RECHARGE COOLING IN ERUPTIONS FROM BROKEOFF VOLCANO, LASSEN VOLCANIC CENTER, CALIFORNIA
PLATT, Bryant, U.S. Geological Survey, Geoscience and Environmental Change Science Center, PO Box 25046, Mailstop 980, Denver, CO 80225, PUTIRKA, Keith, Department of Earth and Environmental Sciences, California State University - Fresno, Fresno, CA 93740 and CLYNNE, Michael A., U.S. Geological Survey, California Volcano Observatory, 345 Middlefield Rd, MS910, Menlo Park, CA 94025
1-11
11:40 AM
HYDROGEN ISOTOPE SIGNATURES OF MAGMA ASCENT AND CO2 FLUXING IN OLIVINE-HOSTED MELT INCLUSIONS
PAMUKCU, Ayla, Earth and Planetary Sciences, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305-2004 and GAETANI, Glenn, Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02453
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