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Cordilleran Section - 121st Annual Meeting - 2025

Session No. 28
Friday, 4 April 2025: 8:00 AM-12:00 PM
Balboa/Calaveras (Holiday Inn Sacramento Downtown - Arena)

T13. Plumes, Ophiolites and Oceanic Crust: Honoring the Scientific Contributions of John W. Shervais

 

Marlon Jean and John Wakabayashi, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
28-1
8:05 AM
SUBDUCTION INITIATION AND SUPRA-SUBDUCTION OPHIOLITES: A VIEW FROM THE WESTERN PACIFIC (IODP EXPEDITIONS 352 AND 366) AND THE CALIFORNIA COAST RANGES
SHERVAIS, John W., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505
28-2
8:25 AM
LATE TRIASSIC SUPRA-SUBDUCTION ZONE OPHIOLITE BASEMENT UNDERPINNING OF THE GUERRERO COMPOSITE TERRANE OF WESTERN MEXICO AND ITS LINKAGE TO THE ARTEAGA COMPLEX ACCRETIONARY PRISM; SUPPORT FOR ANDEAN-STYLE SUBDUCTION SINCE 220 Ma ALONG THE NORTH AMERICAN MARGIN
KIMBROUGH, David, Earth and Environmental Science, San Diego State University, 5500 Campanile Dr, San Diego, CA 92182, CENTENO-GARCIA, Elena, Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, Mexico City 04510, MEXICO, MOORE, Thomas, USGS, Earthquake Science Center, 350 N. Akron Road, Moffett Field, CA 94035 and GROVE, Marty, Stanford University, Stanford, CA 94305
28-3
8:45 AM
GEOCHEMISTRY AND TECTONIC EVOLUTION OF THE POLYGENETIC INGALLS OPHIOLITE COMPLEX, CENTRAL CASCADES, WASHINGTON.
MACDONALD Jr., James, Environmental Geology Program, Florida Gulf Coast University, 10501 FGCU Blvd. South, Fort Myers, FL 33965 and MILLER, Robert B., Geology Department, San Jose State University, San Jose, CA 95192
Handouts
  • MacDonald and Miller.pdf (4.8 MB)
    • 28-4
    9:05 AM
    GEOCHEMICAL, PETROLOGIC, AND GEOCHRONOLOGIC INVESTIGATION OF THE DEL PUERTO CANYON KERATOPHYRE, UPPER COAST RANGE OPHIOLITE, AND IMPLICATIONS FOR GREAT VALLEY FOREARC BASIN DEVELOPMENT, CALIFORNIA
    ORME, Devon1, WEIS, Natalee1, COLLIVER, Ian1, SURPLESS, Kathleen2 and WAKABAYASHI, John3, (1)Department of Earth Sciences, Montana State University, PO Box 173480, Bozeman, MT 59717-3480, (2)Department of Earth and Environmental Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, (3)Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740
    28-5
    9:25 AM
    TRIASSIC-JURASSIC OPHIOLITE, METAMORPHIC SOLE, AND VOLCANICS AS A HYPEREXTENDED FOREARC FORMED AT THE INITIATION OF SUBDUCTION, SIERRA NEVADA CENTRAL BELT, CALIFORNIA
    SHIMABUKURO, David1, WAKABAYASHI, John2, SANBORN, Erica3, BLACK, Jo1 and SKINNER, Steven M.1, (1)Department of Geology, California State University, Sacramento, CA 95819, (2)Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740, (3)Department of Geology, California State University, Sacramento, Sacramento, CA 95819
    28-6
    9:45 AM
    ON THE HYDROUS ORIGINS OF THE COAST RANGE OPHIOLITE: REVISITED
    JEAN, Marlon, Earth, Geography, and Climate Science, University of Massachusetts, 627 North Pleasant St., Amherst, MA 01003, SHERVAIS, John W., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505 and SEITZ, Hans-Michael, Frankfurt Isotope and Element Research Center (FIERCE), Goethe University Frankfurt, Frankfurt, Hessen 60438, Germany
     
    10:05 AM
    Break
    28-7
    10:20 AM
    THE ROLE OF DELAMINATION IN PANGAEAN ASSEMBLY IN THE SOUTHERN APPALACHIANS AND THE CRYPTIC RHEIC SUTURE
    DENNIS, Allen, Biological , Environmental, and Earth Sciences, University of South Carolina Aiken, Aiken, SC 29801 and ANDERSON, Anthony, University of South Carolina Aiken, Aiken, SC 29801
    28-8
    10:40 AM
    SEDIMENTARY SERPENTINITE IN FRANCISCAN COMPLEX UNITS, CALIFORNIA: UPDATES FROM MULTIPLE STRUCTURAL HORIZONS
    WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740
    28-8
    11:00 AM
    Withdrawn
    28-9
    11:00 AM
    GEOCHEMICAL VARIATIONS IN THE BASALTIC VOLCANISM OF THE BRUNEAU-JARBIDGE ERUPTIVE CENTER AND ITS SURROUNDINGS, SOUTHWEST, IDAHO
    VETTER, Scott, Geology, Centenary College of Louisiana, 2911 Centenary Blvd., Shreveport, LA 71104
    28-10
    11:20 AM
    CANNIBALIZATION INTERRUPTED BY ERUPTION OF HOTSPOT RHYOLITE: KIMBERLY RHYOLITE, CENTRAL SNAKE RIVER PLAIN, IDAHO, USA
    CHRISTIANSEN, Eric1, SPENCER, Danielle J.2, GALE, Chesley P.1, DORAIS, Michael J.1, SHERVAIS, John W.3 and BINDEMAN, Ilya N.4, (1)Department of Geological Sciences, Brigham Young University, S389 ESC, Provo, UT 84602, (2)Department of Geosciences, Texas Tech University, Lubbock, TX 79409, (3)Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, (4)Earth Sciences, University of Oregon, Eugene, OR 97403
    28-11
    11:40 AM
    HAFNIUM ISOTOPE CONSTRAINTS ON THE GEOCHEMICAL EVOLUTION OF THE WYOMING CRATONIC SUB-LITHOSPHRIC MANTLE
    HANAN, Barry, Earth and Environmental Sciences, San Diego State University, San Diego, CA 92182-1020, JEAN, Marlon, Earth, Geography, and Climate Science, University of Massachusetts, 627 North Pleasant St., Amherst, MA 01003, BLICHERT-TOFT, Janne, Laboratoire de Geologie de Lyon, Ecole Normale Superieure de Lyon, Lyon, Cedex 7 69364, France and SHERVAIS, John W., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505
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