Cordilleran Section - 116th Annual Meeting - 2020

Session No. 18
Wednesday, 13 May 2020: 8:00 AM-12:00 PM
Plaza Room (The Westin Pasadena)

D8. The Origin and Spatiotemporal Evolution of Arc Magmas Recorded From Mineral to Plate-Boundary Scales I

 

Katie E. Ardill, Cullen Scheland and Ana Maria Martinez Ardila, Chairs
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
SPATIOTEMPORAL EVOLUTION OF A MAGMA FEEDER ZONE BETWEEN THE LOWER AND UPPER CRUST IN THE FIORDLAND CONTINENTAL ARC OF SW NEW ZEALAND
KLEPEIS, Keith, Geology, Univ of Vermont, Burlington, VT 05405, SCHWARTZ, Joshua J., Department of Geological Sciences, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330, MIRANDA, Elena A., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St., Northridge, CA 91330, TURNBULL, Rose, GNS Science, Dunedin Research Centre, Private Bag 1930, Dunedin, 9054, New Zealand, STOWELL, Harold H., Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487 and JONGENS, Richard, GNS Science, Private Bag 1930, Dunedin, 9054, New Zealand
8:25 AM
THE UNDER-APPRECIATED ROLE OF ENRICHED MANTLE DURING GENESIS OF VARISCAN ULTRAPOTASSIC MAGMAS
HORA, John Milan, JANOUŠEK, Vojtěch, TABAUD, Anne-Sophie and ERBAN KOCHERGINA, Yulia V., Czech Geological Survey, Klárov 3, Prague, 118 21, Czech Republic
8:45 AM
LONG-LIVED SUBDUCTION AND POST-SUBDUCTION VOLCANISM AND INCISION IN THE SIERRA SAN FRANCISCO, CENTRAL BAJA CALIFORNIA PENINSULA, MEXICO
HAUSBACK, Brian1, BENNETT, Scott2, DARIN, Michael3, DORSEY, Rebecca4, GRANDY, Sam5, DOLBY, Greer A.6, SAWLAN, Michael2, MARTÍNEZ-GUTIERREZ, Genaro7 and HERNÁNDEZ-SALGADO, Yahil7, (1)Geology, California State University, Sacramento, 6000 J St, Placer Hall, Sacramento, CA 95819; Geology, California State University, Sacramento, 6000 J Street, Sacramento, CA 958l9-6043, (2)U.S. Geological Survey, Geology Minerals Energy and Geophysics Science Center, P.O. Box 158, Moffett Field, CA 94035, (3)Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, (4)Dept. Geological Sicneces, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, (5)Geology, California State University, Sacramento, 6000 J Street, Sacramento, CA 958l9-6043, (6)School of Life Sciences, Arizona State University, Tempe, AZ 85287, (7)Universidad Autónoma de Baja California Sur, La Paz, BS 23080, Mexico
 
9:05 AM
Break
9:20 AM
QUANTIFYING MAGNITUDES AND RATES OF MASS REDISTRIBUTIONS IN ARCS IN THE CENTRAL SIERRA NEVADA, CALIFORNIA
PATERSON, Scott R., ATTIA, Snir, ARDILL, Katie E., SCHELAND, Cullen and WESLEY, Abigail J., Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740
9:40 AM
DETRITAL ZIRCON AS A TRACER FOR TIME-TRANSGRESSIVE, REGIONAL-SCALE ARC PROCESSES: A CASE STUDY FROM MODERN SIERRA NEVADA SANDS
JOHNSTON, Scott M., Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, KYLANDER-CLARK, Andrew R.C., Earth Science, University of California, Santa Barbara, CA 93106 and BARTH, Andrew P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202
10:00 AM
SPACE/TIME EVOLUTION OF MAGMATISM IN THE KLAMATH MOUNTAINS PROVINCE (KMP), CA/OR: IMPLICATIONS FOR CORDILLERAN ARC MAGMA PERIODICITY
RICHARDSON, Andrea E., YOSHINOBU, Aaron S. and BARNES, Calvin G., Department of Geosciences, Texas Tech University, 1200 Memorial Circle, Lubbock, TX 79409
 
10:20 AM
Discussion
10:40 AM
REVISITING PLUTON EMPLACEMENT THROUGH THE LENS OF INCREMENTAL GROWTH; NEW OPPORTUNITIES FOR EVALUATING THE ENTIRE PLUTON-HOST ROCK SYSTEM IN ASYMMETRICAL INTRUSIONS
SCHELAND, Cullen L. and PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740
11:00 AM
INSIGHTS INTO HIGHLY ELONGATE, STEEPLY SHEETED ARC PLUTONS FROM INTRUSIONS IN THE SE COAST MOUNTAINS, BRITISH COLUMBIA AND WASHINGTON
MILLER, Robert Bruce1, LEE, John D.2 and BUDIMIROVIC, Natasha2, (1)Geology, San Jose State University, 1 Washington Square, San Jose, CA 95192, (2)Geology, San Jose State University, One Washington Square, San Jose, CA 95192
 
11:20 AM
Concluding Remarks
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