Start |Grid View | Author Index | View Uploaded Presentations | Meeting Information

Cordilleran Section - 116th Annual Meeting - 2020

Session No. 31
Thursday, 14 May 2020: 1:30 PM-5:30 PM
Plaza Room (The Westin Pasadena)

T15. Petrology, Geochemistry, and Structure of Cordilleran Batholiths through Space and Time

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division

 

Madeline J. Lewis, Claire E. Bucholz, Jade Star Lackey and Juliet Ryan-Davis, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
31-1
1:40 PM
THE SOUTHERN CALIFORNIA BATHOLITH FLARE-UP: HIGH-TEMPERATURE ARC PROCESSES DURING FLAT SLAB COLLISION?
SCHWARTZ, Joshua, Dept of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Live Oak Hall, Northridge, CA 91330, LACKEY, Jade Star, Geology Department, Pomona College, 185 E 6th St, Claremont, CA 91711, MIRANDA, Elena A., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St., Northridge, CA 91330 and AKCIZ, Sinan O., California State University - Fullerton, Department of Geological Sciences, 800 N State College Blvd, Fullerton, CA 92831
31-2
2:00 PM
INSIGHTS INTO THE ASSEMBLY OF THE PENINSULAR RANGES BATHOLITH AND THE NATURE OF PRIMITIVE BASEMENT THAT UNDERLIES ITS WESTERN AND SOUTHERN EXTENT
GROVE, M.J., Geological Sciences, Stanford University, Stanford, CA 94305 and KIMBROUGH, David L., Department of Geological Sciences, San Diego State University, San Diego, CA 92182
31-3
2:20 PM
A DEEP GLIMPSE INTO THE PENINSULAR RANGES BATHOLITH: ZIRCON GEOCHRONOLOGY AND HF ISOTOPIC INSIGHTS FROM GRANULITE XENOLITHS OF THE SAN QUINTIN VOLCANIC FIELD, BAJA CALIFORNIA
WOLTERMAN, Anya, Geology Department, Macalester College, 1600 Grand Ave, St Paul, MN 55105 and CHAPMAN, Alan D., Geology Department, Macalester College, Olin-Rice Science Center, 1600 Grand Avenue, Saint Paul, MN 55105
31-4
2:40 PM
COUPLED ZIRCON HAFNIUM AND OXYGEN ISOTOPES OF LOW MG# GABBROS: MIXING BETWEEN PARTIAL MELTS OF CONTINENTAL CRUST AND DEPLETED MANTLE IN THE DEEP ARC LITHOSPHERE, SOUTHEASTERN SIERRA NEVADA
GEVEDON, Michelle, Southern Methodist University, Dallas, TX 75243, CLEMENS-KNOTT, Diane, Department of Geological Sciences, California State University Fullerton, 800 North State Blvd., Fullerton, CA 92831 and DUCCINI, Kalie M., Department of Geological Sciences, California State University, Fullerton, CA 92834
 
3:00 PM
Break
31-5
3:15 PM
THE MONARCH DIVIDE INTRUSIONS: TRANSITIONAL MAGMATISM IN THE SIERRAN ARC
HRUSKA, Grace1, LACKEY, Jade Star2 and MCCARTY, Kyle R.2, (1)Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, (2)Geology Department, Pomona College, 185 E. Sixth Street, Claremont, CA 91711
31-6
3:35 PM
THE ROCKS DON’T LIE, BUT PLUTONS SPEAK A LANGUAGE THAT IS EASY TO MISINTERPRET
GLAZNER, Allen F.1, BARTLEY, John M.2 and COLEMAN, Drew S.1, (1)Dept. of Geological Sciences, University of North Carolina, Chapel Hill, NC 27599-3315, (2)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112
31-7
3:55 PM
USING DETRITAL ZIRCON GEOCHEMISTRY TO STUDY DEEP ARC PROCESSES
CLEMENS-KNOTT, Diane, Department of Geological Sciences, California State University Fullerton, 800 North State Blvd., Fullerton, CA 92831, SURPLESS, Kathleen DeGraaff, Department of Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, BARTH, Andrew P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202, WOODEN, Joseph L., U.S. Geological Survey, Retired, 785 Nob Ridge Dr, Marietta, GA 30064 and GEVEDON, Michelle L., Department of Earth Sciences, Southern Methodist University, Dallas, TX 75205
31-8
4:15 PM
PB ISOTOPIC VARIATION OF CRETACEOUS ARC CRUST IN THE PACIFIC NORTHWEST, U.S.A. AND CANADA
ISAVA, Virginia1, GROVE, Marty1 and MAHONEY, J. Brian2, (1)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (2)Geology, University of Wisconsin-Eau Claire, Eau Claire, WI 54701
 
4:35 PM
Discussion
See more of: Technical Sessions
<< Previous Session | Next Session >>