Cordilleran Section - 117th Annual Meeting - 2021

Session No. 17
Friday, 14 May 2021: 8:30 AM-12:30 PM
Desert Research Institute Room (Online)

T15. Physical and Chemical Processes of Arc Magmatism and Their Impacts on Crustal Evolution

 

Wenrong Cao, Katie Ardill, Keith Putirka and Cullen Scheland, Advocates
Paper #
Start Time
 
8:30 AM
Introductory Remarks
8:35 AM
THE RECORD OF EOCENE TO OLIGOCENE CONTINENTAL ARC VOLCANISM AND PLUTONISM IN THE FISH CREEK MOUNTAINS REGION, NORTHERN NEVADA
COUSENS, Brian1, HENRY, Christopher D.2, STEVENS, Christopher3, VARVE, Susan3 and TIMMERMANS, Ann C.3, (1)Carleton University Earth Sciences, HP2115, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA, (2)Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, (3)Carleton UniversityEarth Sciences, HP2115, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA
8:55 AM
CO2 TRANSPORT IN ARC MAGMAS: EVIDENCE FROM UNIQUE ORBICULAR DIKES IN THE JURASSIC BONANZA ARC, VANCOUVER ISLAND, CANADA
MORRIS, Rebecca, School of Earth & Ocean Sciences, University of Victoria, 3575 Elliston Ave, Victoria, BC V8X 1R6, CANADA and CANIL, Dante, School of Earth and Ocean Sciences, University of Victoria, 3800 Finnerty Road, Victoria, BC V8W3V6, Canada
Handouts
  • GSA_RMorris_363011.pdf (20.7 MB)
  • 9:15 AM
    QUANTIFYING MASS REDISTRIBUTIONS IN ARCS FROM ARC TO PLUTON SCALES: AN EXAMPLE IN THE CENTRAL SIERRA NEVADA, CALIFORNIA
    PATERSON, Scott1, ATTIA, Snir2, ARDILL, Katie3 and SCHELAND, Cullen1, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, (2)New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801, Socorro, NM 87801, (3)California State University Sacramento, Sacramento, CA
    9:35 AM
    PART 1: A HOLISTIC FRAMEWORK FOR STUDYING THE EVOLUTIONS OF TRANSCRUSTAL MAGMATIC SYSTEMS DEFINED BY THE TRAITS OF PLUTON-HOST ROCK SYSTEMS
    SCHELAND, Cullen1, PATERSON, Scott1 and ATTIA, Snir2, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, (2)New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801, Socorro, NM 87801
    9:55 AM
    PART 2: PLUTON SHAPES AS MARKERS OF INCREMENTAL ASCENT AND EMPLACEMENT PROCESSES IN TRANSCRUSTAL SYSTEMS
    SCHELAND, Cullen1, PATERSON, Scott1 and ATTIA, Snir2, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, (2)New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801, Socorro, NM 87801
     
    10:15 AM
    Break
    10:30 AM
    MAGMA EMPLACEMENT PROCESSES IN THE RAPIDLY CONSTRUCTED GOLDEN HORN BATHOLITH, WASHINGTON
    EDDY, Michael, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907 and MILLER, Robert B., Department of Geology, San Jose State University, One Washington Square, San Jose, CA 95192
    10:50 AM
    INVESTIGATING EMPLACEMENT MECHANISMS OF ULTRAMAFIC PLUTONS IN THE UPPER CRUST: SOLVING A GEOLOGICAL CONUNDRUM
    LEUCHTER, Ethan, Department of Geological Sciences and Engineering, University of Nevada, Reno, 2643 Powder Drive, Reno, NV 89503 and CAO, Wenrong, University of Nevada Reno Department of Geological Sciences, 1664 N. Virginia Street, MS 0172, Reno, NV 89557-0001
    Handouts
  • INVESTIGATING EMPLACEMENT MECHANISMS OF ULTRAMAFIC PLUTONS IN THE UPPER CRUST SOLVING A GEOLOGICAL CONUNDRUM.pdf (8.5 MB)
  • 11:10 AM
    PARALLEL OR PERPENDICULAR FOLIATIONS? MAGMATIC PRESSURE, FLUID DYNAMICS, AND RESULTANT WALL ROCK DEFORMATION
    MORGAN, Sven, Department of Natural Sciences, University of Michigan-Dearborn, 130 SFC, 4901 Evergreen Rd, Dearborn, MI 48128, RUGGLES, Claire, Department of Geoscience, University of Wisconsin - Madison, Madison, WI 53706, HORSMAN, Eric, Department of Geological Sciences, East Carolina University, 101 Graham Bldg., Greenville, NC 27858, DE SAINT BLANQUAT, Michel, Géosciences Environnement Toulouse / Observatoire Midi-Pyrénées, CNRS/Université Paul-Sabatier, 14 avenue Edouard-Belin, Toulouse, 31400, France and STUDENT, James J., Earth and Atmospheric Sciences, Central Michigan University, 314 Brooks Hall, Mount Pleasant, MI 48859
     
    11:30 AM
    Discussion
    11:40 AM
    MAGMATIC FABRICS OF THE GANGDESE BATHOLITH, SOUTHERN TIBET
    YANG, Jiaming, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172 and CAO, Wenrong, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N Virginia St, Reno, NV 89557
    11:45 AM
    PETROLOGIC INVESTIGATION OF EARLY CASCADE UNITS IN THE SOUTHERN WILLAMETTE VALLEY, OREGON, AND IMPLICATIONS FOR LONG-TERM GEOCHEMICAL EVOLUTION OF THE CASCADE ARC
    SULLIVAN, Lexus S. and TEPPER, Jeffrey H., Geology Department, University of Puget Sound, 1500 N Warner St, Tacoma, WA 98416-1048
    11:50 AM
    OWYHEE BASALT - DEVELOPMENT OF CALC-ALKALINE VOLCANISM ON THE HEELS OF THOLEIITIC FLOOD BASALTS OF THE COLUMBIA RIVER PROVINCE
    SLEEPER, Larissa, Geology, Portland State University, Portland State University - Geology Department, PO Box 751, Portland, OR 97207 and STRECK, Martin, Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway Ave, Portland, OR 97207-0751
    11:55 AM
    COMPOSITIONS OF DIKES FROM THE NORTHERN AND SOUTHERN PORTIONS OF THE CHIEF JOSEPH DIKE SWARM
    MASS, Mary, Geology, Portland State University, 1825 SW Broadway, Portland, OR 97201, STRECK, Martin, Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway Ave, Portland, OR 97207-0751, WOLFF, John A., School of the Environment, Washington State University, Pullman, WA 99164 and MUIRHEAD, James D., University of Auckland, Auckland, New Zealand
    12:00 PM
    INITIAL PETROGENETIC MODELING OF CARLISLE VOLCANO, AK
    CALIANDRO, Nils and NICOLAYSEN, Kirsten P., Department of Geology, Whitman College, Walla Walla, WA 99362
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