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Joint 118th Annual Cordilleran/72nd Annual Rocky Mountain Section Meeting - 2022

Session No. 33
Thursday, 17 March 2022: 8:00 AM-12:00 PM
CBC-A 108 (UNLV Classroom Building Complex A)

T12. Advances in Understanding Arc Magmatism in the Southwestern Cordillera I

 

Robinson Cecil, Joshua Schwartz, PhD and Jade Star Lackey, Advocates
Paper #
Start Time
33-1
8:00 AM
HORIZONTAL LENS-LIKE EMPLACEMENT OF THE SAGE HEN FLAT PLUTON, CALIFORNIA
NELSON, Ellen, Geoscience, University of Wisconsin–Madison, 2571A University Ave, Madison, WI 53726, TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706-1692, MORGAN, Sven, Department of Natural Sciences, University of Michigan-Dearborn, 130 SFC, 4901 Evergreen Rd, Dearborn, MI 48128, DE SAINT BLANQUAT, Michel, East Carolina Univ.Geological Sciences, 101 Graham Bldg., Greenville, NC 27858 and LAW, Richard D., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061
33-2
8:20 AM
WHY DOES ALKALI-FELDSPAR COMMONLY GROW TO MEGACRYSTIC SIZES IN FELSIC MAGMAS WHEREAS COEXISTING QUARTZ AND PLAGIOCLASE DO NOT? INSIGHTS FROM THE MOUNT WHITNEY INTRUSIVE SUITE, SIERRA NEVADA, CALIFORNIA
HIRT, William, Biological and Physical Sciences, College of the Siskiyous, 800 College Avenue, Weed, CA 96094
33-3
8:40 AM
GRANITES ARE UPPER GREENSCHIST FACIES ROCKS
GLAZNER, Allen1, BARTLEY, John2 and COLEMAN, Drew1, (1)Earth, Marine, and Environmental Sciences, Univ North Carolina, Chapel Hill, NC 27599-3315, (2)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112
33-4
9:00 AM
LITHOSPHERIC STRENGTHENING AND INDIRECT TECTONOMAGMATIC LINKS DURING MID-CRETACEOUS OROGENESIS IN THE CENTRAL SIERRA NEVADA
ATTIA, Snir, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801, Socorro, NM 87801; New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740, JIANG, Dazhi, Department of Earth Sciences, Western University, London, ON N6A5B7, Canada and MILLER, Robert B., Geology Department, San Jose State University, San Jose, CA 95192
33-5
9:20 AM
MINERAL-MELT EQUILIBRIUM MODELS VS BULK-ROCK GEOCHEMISTRY: WHICH TELLS THE TRUE STORY OF CORDILLERAN ARC FORMATION?
BRACKMAN, Adam and SCHWARTZ, Joshua, PhD, Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330
 
9:40 AM
Break
33-6
9:55 AM
CHANGES IN ARCHITECTURE, GEOCHEMISTRY, AND CONSTRUCTION TIMESCALES OF INTRUSIVE COMPLEXES IN THE UPPER ~35 KM OF A TRANSCRUSTAL MAGMATIC SYSTEM: THE CRETACEOUS CASCADES ARC, WASHINGTON, USA
RATSCHBACHER, Barbara, Department of Earth and Planetary Sciences, University of California Davis, One Shields Avenue, Davis, CA 95616, PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089 and ANDERSON, J. Lawford, Earth and Environment, Boston University, 685 Commonwealth Ave., Boston, MA 02215
33-7
10:15 AM
LATE CRETACEOUS MAGMATIC-TECTONIC EVOLUTION OF THE CENTRAL MOJAVE DESERT
ECONOMOS, Rita, Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75205, BARTH, Andrew P., Indiana University-Purdue University, Indianapolis, IN 46202, WOODEN, Joseph L., U.S. Geological Survey, Retired, 785 Nob RIdge Dr., Marietta, GA 30064, FRIESENHAHN, Brody P., Southern Methodist University, Earth Sciences, 3225 Daniel, Heroy 207, Dallas, TX 75275 and BRADLEY, Ben, Southern Methodist University, Earth Sciences, 3225 Daniel Ave, Heroy 207, Dallas, TX 75275
33-8
10:35 AM
TECTONIC IMPLICATIONS OF PERMIAN-TRIASSIC, LATE JURASSIC, AND LATE CRETACEOUS PLUTONIC ROCKS THAT INTRUDE THE EL PASO TERRANE IN THE LANE MOUNTAIN AREA, CENTRAL MOJAVE DESERT, CALIFORNIA
STONE, Paul, Geology, Minerals, Energy, and Geophysics Science Center, U.S. Geological Survey, Moffett Field, CA 94035, BROWN, Howard, 24541 Pala Lane, Apple Valley, CA 92307, CECIL, Robinson, Department of Geological Sciences, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330, FLECK, Robert J., U. S. Geological Survey, 345 Middlefield Road, MS 937, Menlo Park, CA 94025, VAZQUEZ, Jorge, U.S. Geological Survey, 345 Middlefield Road, MS 910, Menlo Park, CA 94025 and JOHNSON, Craig A., US Geological Survey, MS 963, Box 25046, Denver, CO 80225
33-9
10:55 AM
POTENTIAL SIGNIFICANCE AND IMPLICATIONS OF THE LATE CRETACEOUS TEUTONIA BATHOLITH (MOJAVE NATIONAL PRESERVE, CA) FOR LARAMIDE TECTONISM
GEVEDON, Michelle1, BRADLEY, Ben2 and ECONOMOS, Rita2, (1)Colorado College, Geology Department, 14 E. Cache le Poudre St., Colorado Springs, CO 80903, (2)Southern Methodist University, Earth Sciences, 3225 Daniel Ave, Heroy 207, Dallas, TX 75275
33-10
11:15 AM
USING ISOTOPIC COMPOSITIONS OF THE MID-CENOZOIC FLARE UP TO PROBE FOR THE PELONA-OROCOPIA-RAND SCHIST AT DEPTH
CHAPMAN, James, Geology and Geophysics, University of Wyoming, 1000 E. University Ave., Laramie, WY 82071 and SEYMOUR, Nikki, Geological Sciences, Stanford University, 397 Panama Mall, Stanford, CA 94305-2210
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