T71 The Changing Cordilleran Margin: Permian through Eocene Tectonism, Magmatism, and General Geology from Western Mexico through Northern California and Eastward

Sunday, 22 September 2024
1:30 PM - 5:30 PM
304A

Presentations

• 1:35 PM
  RECONSTRUCTING NORTH AMERICAN CORDILLERA PLATE TECTONIC HISTORY ALONG WESTERN MEXICO TO CALIFORNIA FROM MANTLE CONSTRAINTS
  Jonny Wu, University of Arizona, Tucson, AZ and Spencer Fuston, EOG Resources, Houston, TX and Spencer Fuston, University of Houston, Houston, TX and Lorenzo Colli, Milan and Lorenzo Colli, University of Houston, Houston, TX
  401338 (Technical Sessions)
• 1:55 PM
  PERMIAN STRATA OF THE EL PASO MOUNTAINS, SOUTHERN CALIFORNIA, PROVIDE A RECORD OF SUBDUCTION INITIATION AND THE LOCAL EMERGENCE OF THE CORDILLERAN ARC
  Robinson Cecil, California State University Northridge, Northridge, CA and Eric K. McDonald, California State University Northridge, Northridge, CA and Nancy Riggs, Northern Arizona University, Flagstaff, AZ and Kathleen Marsaglia, California State University Northridge, Northridge, CA and Richard Heermance, California State University Northridge, Northridge, CA
  404225 (Technical Sessions)
• 2:10 PM
  SECULAR EVOLUTION OF PLUTONIC ZIRCON ΕHFI VALUES FROM THE SOUTHERN SIERRA NEVADA ARC: A RECORD OF THE CHANGING ORGANIZATION OF MESOZOIC SUBDUCTION ZONES
  Diane Clemens-Knott, California State University Fullerton, Fullerton, CA and Michelle Gevedon, Colorado College, Colorado Springs, CO and Andrew P. Barth, Indiana University-Purdue University, Indianapolis, IN
  404261 (Technical Sessions)
• 2:25 PM
  HOW TO READ THE OXYGEN ISOTOPE SYSTEM IN CORDILLERAN ARCS: LESSONS FROM 190 MILLION YEARS OF SIERRAN MAGMATISM
  Jade Star Lackey, Pomona College, Claremont, CA and Ilya Bindeman, University of Oregon, Eugene, OR and John Valley, University of Wisconsin–Madison, Madison, WI
  405051 (Technical Sessions)
• 2:40 PM
  40 MILLION YEARS OF MISSING LOWER CRETACEOUS GREAT VALLEY FOREARC STRATIGRAPHY WITHIN THE SAN JOAQUIN BASIN: FOREARC BASIN EVOLUTION AND THE NORTH AMERICA CORDILLERA MARGIN
  Devon Orme, Montana State University, Bozeman, MT and Natalee Weis, Montana State University, Bozeman, MT and Kathleen Surpless, Trinity University, San Antonio, TX and Stephan A. Graham, Stanford University, Stanford, CA
  403705 (Technical Sessions)
• 3:10 PM
  CRETACEOUS-PALEOGENE GEOLOGICAL HISTORY OF MEXICO
  Elisa Fitz-Díaz, Universidad Nacional Autónoma de México (UNAM), Mexico City, DF and Rogelio Hernández vergara, Universidad Nacional Autónoma de México, Mexico City
  403435 (Technical Sessions)
• 3:30 PM
  XENOLITH HYDROGEN ISOTOPE EVIDENCE FOR LOWER CRUSTAL HYDRATION OF THE COLORADO PLATEAU BY SUBDUCTING SLAB-DERIVED FLUIDS
  Dennis Newell, Utah State University, Logan, UT and Shelby Dianne Litton, Utah State Univeristy, Logan, UT and Shelby Dianne Litton, Utah State University, Logan, UT and Kevin H. Mahan, University of Colorado at Boulder, Boulder, CO and Benoit Gasnier, Université de Franche-Comté, Besançon, Franche-Comté and Philippe Goncalves, Université of Franche-Comté, Besançon
  404662 (Technical Sessions)
• 4:00 PM
  DATING DINOSAURS IN THE LARAMIDE FORELAND: U-Pb GEOCHRONOLOGIC CONSTRAINTS ON A STRATIGRAPHIC SECTION CONTAINING ALAMOSAURUS AND THE POSTULATED TYRANNOSAURUS MCRAEENSIS IN THE LOVE RANCH BASIN, NEW MEXICO
  Emma Schantz, New Mexico State University, Las Cruces, NM and Jeffrey Amato, New Mexico State University, Las Cruces, NM and Timothy Lawton, University of Texas at Austin, Austin, TX
  405342 (Technical Sessions)
• 4:15 PM
  DETRITAL ZIRCON U-Pb AGES INDICATE LOCAL SOURCING FOR THE EOCENE CLARON FORMATION, SOUTHWESTERN UTAH: IMPLICATIONS FOR THE PALEOGENE CALIFORNIA RIVER
  Alexander Tye, Utah Tech University, Saint George, UT and Renjie Zhou, University of Queensland, St Lucia, QLD and Andrew Lamb, Utah Tech University, Saint George, UT
  405450 (Technical Sessions)
• 4:30 PM
  FIRST CYCLE OR POLYCYCLIC? COMBINING APATITE AND ZIRCON DETRITAL U-Pb GEOCHRONOLOGY AND GEOCHEMISTRY TO ASSESS SEDIMENT RECYCLING IN THE SOUTHWESTERN MONTANA FORELAND BASIN, NORTH AMERICAN CORDILLERA
  Emily Finzel, University of Iowa, Iowa City, IA and Stuart N. Thomson, University of Arizona, Tucson, AZ and Dave Pearson, Idaho State University, Pocatello, ID and L. Kenneth Horkley, University of Iowa, Iowa City, IA and Kacey Garber, University of Iowa, Iowa City, IA and Kacey Garber, Morton, IL and Cole Gardner, University of Iowa, Iowa City, IA and Cole Gardner, Chicago, IL
  401321 (Technical Sessions)