Joint 70th Rocky Mountain Annual Section / 114th Cordilleran Annual Section Meeting - 2018

Session No. 54
Thursday, 17 May 2018: 8:20 AM-10:05 AM
Canyon Room (DoubleTree by Hilton)

S4. Jurassic to Cenozoic Geology of Southern California, Southwest Arizona, and Sonora I: A Session Honoring Gordon Haxel and Carl Jacobson

GSA Structural Geology and Tectonics Division

 

Jon Spencer and L. Sue Beard, Conveners
Paper #
Start Time
 
8:20 AM
Introductory Remarks
8:25 AM
LATE CRETACEOUS–PALEOGENE TECTONIC AND PALEOGEOGRAPHIC EVOLUTION OF SOUTHERN CALIFORNIA BASED ON DETRITAL ZIRCON FROM THE FOREARC BASIN, PELONA-OROCOPIA-RAND SCHISTS, AND FRANCISCAN COMPLEX
JACOBSON, Carl E., Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011; Earth & Space Sciences, West Chester University of Pennsylvania, West Chester, PA 19383, SHARMAN, Glenn R., Department of Geosciences, University of Arkansas, Fayetteville, AR 72701, HOURIGAN, Jeremy K., Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, GROVE, Marty, Geological Sciences, Stanford University, Mitchell Building 101, Stanford, CA 94305, JOHNSTON, Scott M., Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, BARTH, Andrew, Earth Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, HAXEL, Gordon B., U.S. Geological Survey, Flagstaff, AZ 86001; School of Earth Sciences and Environmental Sustainability, Northern Arizona Univ., Flagstaff, AZ 86011, INGERSOLL, Raymond V., Earth, Planetary, and Space Sciences, University of California, Los Angeles, CA 90095-1567, CHAPMAN, Alan D., Geology Department, Macalester College, 1600 Grand Ave., St. Paul, MN 55105, HOWARD, Jeffrey L., Dept. of Geology, Wayne State Univ, 0224 Old Main Bldg, Detroit, MI 48202 and WOODEN, Joseph L., U.S.G.S.-Stanford Ion Probe Laboratory, Stanford, CA 94305
8:45 AM
FORMATION OF INTERMEDIATE AND ULTRABASIC METASOMATIC ROCKS WITHIN A REACTION ZONE SURROUNDING SUBDUCTED PERIDOTITE, CEMETERY RIDGE, SOUTHWEST ARIZONA
EPSTEIN, Gabe S., Lehigh Univiersity, Earth and Environmental Sciences, 1 West Packer Ave, Bethlehem, PA 18015, HAXEL, Gordon B., Northern Arizona Univ., Flagstaff, AZ 86011; USGS, Flagstaff, AZ 86001, WITTKE, James H., Geology Program, School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011 and JACOBSON, Carl E., Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011; Earth & Space Sciences, West Chester University of Pennsylvania, West Chester, PA 19383
9:05 AM
MULTISTAGE EXHUMATION OF OROCOPIA SCHIST AT THE NORTHERN PLOMOSA MOUNTAINS METAMORPHIC CORE COMPLEX, WEST-CENTRAL ARIZONA
STRICKLAND, Evan D., Geosciences, Colorado State University, 1482 Campus Delivery, Fort Collins, CO 80523 and SINGLETON, John S., Department of Geosciences, Colorado State University, 1482 Campus Delivery, Fort Collins, CO 80523
9:25 AM
TECTONIC EXTENSION IN THE NORTHERN PLOMOSA MOUNTAINS, WESTERN ARIZONA, AND RECONSTRUCTION OF A MESOZOIC THRUST ZONE
SPENCER, Jon, Dept. of Geosciences, University of Arizona, 1040 E. 4th St., Tucson, AZ 85721, REYNOLDS, Stephen J., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287-1404, LOVE, Diane, Arizona Geological Survey, University of Arizona, 1955 East 6th St., Tucson, AZ 85721, JOHNSON, Roy A., Department of Geosciences, University of Arizona, Tucson, AZ 85721 and STRICKLAND, Evan D., Department of Geosciences, Colorado State University, 1482 Campus Delivery, Fort Collins, CO 80523
9:45 AM
SIGNIFICANCE OF NORTHEAST-SOUTHWEST ORIENTATION OF PROGRADE LINEATION IN THE PELONA-OROCOPIA-RAND-SCHIST LOW-ANGLE SUBDUCTION COMPLEX, SOUTHERN CALIFORNIA AND SOUTHWEST ARIZONA
HAXEL, Gordon B., USGS, Flagstaff, AZ 86001; Northern Arizona Univ., Flagstaff, AZ 86011, BEARD, L. Sue, USGS, Flagstaff, AZ 86001 and JACOBSON, Carl E., Iowa State Univ., Ames, IA 50011; West Chester Univ. of Pennsylvania, West Chester, PA 19383
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