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Cordilleran Section - 117th Annual Meeting - 2021

Session No. 1
Wednesday, 12 May 2021: 8:30 AM-12:30 PM
UNR Dept of Geological Sciences & Engineering Room (Online)

T1. Chemical and Thermal Changes in Cordilleran Arc Systems: Insights from the Metamorphic Record

 

Joshua Schwartz, Jade Star Lackey and Stacia Gordon, Advocates
Paper #
Start Time
 
8:30 AM
Introductory Remarks
1-1
8:35 AM
METAMORPHIC EVOLUTION OF LOWER CRUSTAL XENOLITHS FROM THE MOJAVE DESERT, CALIFORNIA: A PETROCHRONOLOGIC APPROACH
COSTELLO, Kirsten1, FISHER, Christopher2, INDARES, Aphrodite1 and HANCHAR, John1, (1)Dept of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Ave., St John's, NF A1B 3X5, Canada, (2)Centre for Exploration Targeting, School of Earth Sciences, The University of Western Australia, Crawley, WA 6009, Australia
1-2
8:55 AM
BULK ROCK AND SINGLE-CRYSTAL GEOCHEMISTRY OF CORUNDUM-BEARING ROCKS AT CASCADE CANYON, CA
WIRE, Nate1, CLARK, Nolan1 and LACKEY, Jade Star2, (1)Geology Department, Pomona College, 185 E. Sixth Street, Claremont, CA 91711, (2)Department of Geology, Pomona College, Claremont, CA 91711
1-3
9:15 AM
INJECTION OF MAGMATIC FLUIDS FROM THE TUOLUMNE INTRUSIVE COMPLEX INTO THE EASTERN SIERRA CREST SHEAR ZONE: EVIDENCE FROM STABLE ISOTOPES (B, O, H) OF TOURMALINE
HOLK, Gregory1, CAKIR, Vural Burc1, GROVE, Marty J.2, PATERSON, Scott3 and HARTMAN, Sean M.4, (1)Geological Sciences, CSU, Long Beach, 1250 Bellflower Blvd., Long Beach, CA 90840-3902, (2)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (3)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, (4)Department of Earth Sciences, University of Southern California, 3651 Trousdale parkway, ZHS 118, Los Angeles, CA 90089-0740
1-4
9:35 AM
DEXTRAL TRANSPRESSIONAL DEFORMATION PRESERVED IN CRETACEOUS ARC PLUTONS OF NORTHWESTERN NEVADA
TREVINO, Sarah, Department of Geoscience, University of Wisconsin - Madison, Madison, WI 53706 and TIKOFF, Basil, 1215 W Dayton StGeoscience, 1215 W Dayton St, Madison, WI 53706-1600
 
9:55 AM
Break
1-5
10:10 AM
GEOCHEMISTRY, GEOCHRONOLOGY, AND THERMOBAROMETRY OF HIGH-PRESSURE AMPHIBOLITES FROM THE CENTRAL ARC AND MELANGE BELT NEAR COLFAX, CALIFORNIA
R, Sierra, SHIMABUKURO, David H., BLACK, Jo and SKINNER, Steven, Department of Geology, California State University, Sacramento, 6000 J Street, Sacramento, CA 95819
1-6
10:30 AM
PETROLOGY OF AN OXIDIZED BLUESCHIST COBBLE FROM THE SAN ONOFRE BRECCIA, CALIFORNIA, USA
HELM, Alaina, Oberlin College, Oberlin, OH 44074, PAGE, F. Zeb, Oberlin College Geology Department, 52 W Lorain St, Oberlin, OH 44074-1044 and LACKEY, Jade Star, Department of Geology, Pomona College, Claremont, CA 91711
1-7
10:50 AM
TECTONIC EVOLUTION OF THE CONDREY MOUNTAIN SCHIST: AN INTACT RECORD OF LATE JURASSIC TO EARLY CRETACEOUS FRANCISCAN SUBDUCTION AND UNDERPLATING
TEWKSBURY-CHRISTLE, Carolyn1, BEHR, Whitney1, HELPER, Mark2 and STOCKLI, Daniel2, (1)Geological Institute, Department of Earth Sciences, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, Switzerland, (2)Department of Geological Sciences, University of Texas at Austin, 1 University Station C1100, Austin, TX 78712
1-8
11:10 AM
A VIEW INTO CHANGING MAGMATIC AND DEFORMATIONAL STYLES DURING ISLAND ARC EMPLACEMENT (AND ASSEMBLY?): HICKS BUTTE, CENTRAL CASCADES OF WASHINGTON STATE
DAVIS, Peter, Geosciences, Pacific Lutheran University, 1010 S 122nd St, Tacoma, WA 98447 and MACDONALD Jr., James, Florida Gulf Coast UniversityEnvironmental Geology Program, 10501 Fgcu Blvd S, Fort Myers, FL 33965-6502
1-9
11:30 AM
ZIRCON PETROCHRONOLOGY OF SALINIAN ARC MIDDLE CRUST, EASTERN SANTA LUCIA MOUNTAIN, CALIFORNIA
PITSILLIDES, Iason1, CHAPMAN, Alan2, JOHNSTON, Scott3, KYLANDER-CLARK, Andrew4, LITTLETON, Shelby5 and MOCHA, Nick5, (1)NRES, Cal Poly San Luis Obispo, 1 Grand Ave, San Luis Obispo, CA 93407, (2)Macalester CollegeGeology, 1600 Grand Ave, Saint Paul, MN 55105-1801, (3)Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, (4)Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630, (5)Natural Resources and Environmental Sciences, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, CA 93407
 
11:35 AM
Concluding Remarks
Recorded Presentation
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