GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 164
Tuesday, 24 September 2019: 8:00 AM-12:00 PM
Room 128AB, North Building (Phoenix Convention Center)

T20. Rift-Grabens, Volcano-Sedimentary Strata, Plutons, and Transtensional Shear Zones: A Multi-Disciplinary Approach to Reconstructing the Jurassic Cordilleran Margin of the Southwest U.S. (Southern California, Nevada, Arizona, and Northern Mexico)

GSA Structural Geology and Tectonics Division

 

Michelle Gevedon and Diane Clemens-Knott, Advocates
Paper #
Start Time
8:00 AM
TIME SERIES PERSPECTIVE OF EVOLVING JURASSIC ARC BEHAVIOR IN THE CENTRAL SIERRA NEVADA ARC
PATERSON, Scott, ATTIA, Snir, ARDILL, Katie E. and WESLEY, Abigail J., Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740
8:15 AM
EVOLVING SURFACE EXPRESSION, DEPOSITIONAL SYSTEMS, LITHOSPHERIC ARCHITECTURE, ARC MAGMATISM, AND TECTONISM ACROSS THE MESOZOIC SIERRA NEVADA ARC
ATTIA, Snir1, PATERSON, Scott R.1 and SALEEBY, Jason2, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, (2)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, MC 100-23, Pasadena, CA 91125
Handouts
  • Andrew-DecipherButteValley.pptx (31.3 MB)
  • 8:45 AM
    JURASSIC BACK-ARC IGNEOUS PROVINCE OF THE NORTHERN GREAT BASIN: EVIDENCE FOR SLAB BREAK-OFF FOLLOWING ARC COLLISION
    WYLD, Sandra J., MapTect LLC, 196 Alps Rd, Suite 2-168, Athens, GA 30606 and WRIGHT, James E., Department of Geology, University of Georgia, Athens, GA 30602
    9:00 AM
    EVOLUTION OF JURASSIC MAGMATISM OF THE WESTERN CORDILLERA: THE RECORD FROM FALLOUT TUFFS AND BACK-ARC PLUTONS
    CHRISTIANSEN, Eric, Department of Geological Sciences, Brigham Young University, Geological Sciences, ESC S-389, Brigham Young University, Provo, UT 84602, KOWALLIS, Bart J., Department of Geological Sciences, Brigham Young University, ESC S389, Provo, UT 84602 and DORAIS, Michael J., Dept. of Geological Sciences, Brigham Young University, S-389 ESC, Provo, UT 84602
    9:20 AM
    RHYOLITE IGNIMBRITE BOULDERS AND COBBLES IN THE MIDDLE JURASSIC CARMEL FORMATION OF UTAH AND ARIZONA: AGE, COMPOSITION, TRANSPORT, AND STRATIGRAPHIC SETTING
    KOWALLIS, Bart J.1, SPRINKEL, Douglas A.2, CHRISTIANSEN, Eric H.1, STEED, Skylor1 and WHEATLEY, David F.3, (1)Department of Geological Sciences, Brigham Young University, Provo, UT 84602, (2)Utah Geological Survey, 1594 W. North Temple, Suite 3110, Salt Lake City, UT 84116, (3)Geology and Geophysics, University of Utah, 383 FASB, 115 S 1460 E, Salt Lake City, UT 84112-0101
    Handouts
  • 2019 GSA Kowallis Jurassic clasts.pptx (57.3 MB)
  •  
    9:35 AM
    Break
    9:50 AM
    EXTENSIONAL AND TRANSTENSIONAL CONTINENTAL ARC BASINS: LESSONS FROM THE JURASSIC ARC, SOUTHWEST CORDILLERA (Invited Presentation)
    BUSBY, Cathy J., Department of Earth and Planetary Sciences, University of California, Davis, One Shields Ave., Davis, CA 95616 and RIGGS, Nancy R., School of Earth Sciences and Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86001-4099
    10:10 AM
    ZIRCON HAFNIUM-OXYGEN ISOTOPE EVIDENCE FOR LATE JURASSIC INTRA-ARC RIFTING OF THE SOUTHERN SIERRA NEVADA, CA, PART 1: ORIGIN OF ENRICHED MAFIC ARC MAGMAS
    GEVEDON, Michelle, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712 and CLEMENS-KNOTT, Diane, Department of Geological Sciences, California State University Fullerton, 800 North State Blvd., Fullerton, CA 92831
    10:25 AM
    ZIRCON HAFNIUM ISOTOPE RECORD OF DEPLETED MANTLE CONTRIBUTIONS TO THE MESOZOIC SOUTHERN SIERRA NEVADA ARC, PART 2: ARC RIFT-QUENCHING (AR-Q)
    CLEMENS-KNOTT, Diane, Department of Geological Sciences, California State University Fullerton, 800 North State Blvd., Fullerton, CA 92831 and GEVEDON, Michelle, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712
    10:40 AM
    REGIONALLY EXTENSIVE, LOW-δ18O SILICIC VOLCANISM IN THE LATE JURASSIC CALIFORNIA ARC: EXTENSION LEAVES ITS MARK
    LACKEY, Jade Star1, MCCARTY, Kyle R.1, BINDEMAN, Ilya N.2, SPICUZZA, M.J.3, SCICCHITANO, M.R.3, KITAJIMA, Kouki3 and VALLEY, John W.3, (1)Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, (2)Earth Sciences, University of Oregon, Eugene, OR 97403, (3)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton Street, Madison, WI 53706
    10:55 AM
    MIDDLE JURASSIC CORDILLERAN ARC FLARE-UP AND BAJOCIAN ENVIRONMENTAL IMPACT (Invited Presentation)
    KIMBROUGH, David L., Geological Sciences, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-1020
     
    11:15 AM
    Poster Round-Up
    11:30 AM
    THE JURASSIC KING CREEK PLUTON AND INDEPENDENCE DIKES, SOUTHERN RITTER RANGE, SIERRA NEVADA, CA: IMPLICATIONS FOR JURASSIC MAGMATISM AND TECTONICS
    WESLEY, Abigail J.1, PATERSON, Scott R.1, ATTIA, Snir1 and MEMETI, Vali2, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, (2)Department of Geological Sciences, California State University, Fullerton, 800 N State College Blvd., Fullerton, CA 92831-3599
    11:45 AM
    JURASSIC MAGMATISM IN THE EASTERN SIERRA NEVADA AND MOJAVE DESERT SOURCED IN DISTINCTIVE ANCIENT LITHOSPHERE
    WOODEN, J.L., U.S. Geological Survey, Retired, Menlo Park, CA 94025, BARTH, Andrew P., Department of Earth Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, WALKER, J.D., Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045 and RIGGS, Nancy R., School of Earth and Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86011-4099
    See more of: Technical Sessions