15 Cordilleran and Other Orogenic Belt Evolution from Components to Whole

Thursday, 3 April 2025
8:00 AM - 12:00 PM
Balboa/Calaveras

Presentations

• 8:00 AM
  THE ORIGIN AND HISTORY OF CENOZOIC MEGALAKE SUDD, ALONG THE RIVER NILE IN SUDAN AND SOUTH SUDAN
  Walter Alvarez, University of California, Berkeley, CA and Lung Sang Chan, University of California, Berkeley, CA and Lung Sang Chan, The University of Hong Kong, Hong Kong
  409519 (Theme Sessions)
• 8:20 AM
  LATE ORDOVICIAN HIGH-PRESSURE REGIONAL METAMORPHISM IN SCOTLAND: CALEDONIAN OROGENESIS PREDATED THE CLOSURE OF IAPETUS
  Thomas Lamont, University of Nevada Las Vegas, Las Vegas, Nevada, NV and William McCarthy, University of St Andrews, St Andrews and Robin Strachan, Hayling Island, NH and Nick M.W. Roberts, British Geological Survey, Keyworth and Tobermory Mackay-Champion, University of Oxford, Oxford and Michael P. Searle, University of Oxford, Oxford
  410150 (Theme Sessions)
• 8:40 AM
  GEOLOGIC RECORD OF SUBDUCTION INITIATION PROCESSES FOR THE LATE TRIASSIC-JURASSIC TALKEETNA ARC, ALASKA: PRE-INITIATION DEFORMATION, SYN-INITIATION VOLCANISM, AND ESTABLISHMENT OF THE ARC FRONT
  Brandon Keough, Purdue University, West Lafayette, IN and Wyatt Crain, Purdue University, West Lafayette, IN and Michael Eddy, Purdue University, West Lafayette, IN and Kenneth Ridgway, Purdue University, West Lafayette, IN
  409800 (Theme Sessions)
• 9:00 AM
  HOT OROGENIC HINTERLAND CRUST DECOUPLED FROM BASAL TRACTIONS: A COMPARISON OF FLAT SLAB AND UNDERTHRUSTING EXAMPLES IN THE NORTH AMERICAN LARAMIDE, SOUTHEAST CHINA, AND SOUTHERN TIBET
  Andrew V. Zuza, University of Nevada, Reno, Reno, NV and Andrew V. Zuza, University of Nevada, Reno, Reno, NV and Dominik R. Vlaha, University of Nevada, Reno, Reno, NV and Dominik R. Vlaha, University of Nevada, Reno, Reno, NV and Terry Lee, University of Nevada, Reno, Reno, NV
  410339 (Theme Sessions)
• 9:35 AM
  RECONSTRUCTING CALIFORNIA AT 90 Ma USING FINITE-ELEMENT PALEOGEOLOGIC MAPS
  Raymond Ingersoll, Univ California, Los Angeles, Los Angeles, CA
  410043 (Theme Sessions)
• 9:55 AM
  GEOCHEMISTRY AND AGE OF THE DARRINGTON PHYLLITE WITHIN THE HICKS BUTTE AND KACHESS LAKE INLIERS, CENTRAL CASCADES, WASHINGTON. TECTONIC SETTING AND REGIONAL CORRELATIONS SUGGESTING A POLYGENETIC ORIGIN
  James MacDonald, Florida Gulf Coast University, Fort Myers, FL and Peter Davis, Pacific Lutheran University, Tacoma, WA and Joe Dragovich, Dragovich Geo-Consulting, Lacey, WA and Iris Hernandez, Pacific Lutheran University, Tacoma, WA
  409672 (Theme Sessions)
• 10:15 AM
  ONSET OF SUBDUCTION ACCRETION IN THE FRANCISCAN COMPLEX VARIES ALONG STRIKE: NEW U-Pb DETRITAL ZIRCON INSIGHTS FROM THE SKAGGS SPRINGS AND GOAT MOUNTAIN SCHISTS
  Sophia Esquenet, Macalester College, St. Paul, MN and Elizabeth Marie Trevathan, Macalester College, St. Paul, MN and Alan Chapman, Macalester College, St. Paul, MN and John Wakabayashi, California State University, Fresno, CA
  409920 (Theme Sessions)
• 10:35 AM
  POLYCYCLIC METAMORPHISM AND EXHUMATION OF SUBDUCTION COMPLEX ROCKS, CEDROS ISLAND, BAJA CALIFORNIA
  Jordan Wang, University of Arizona, Tucson, AZ and David Hernández Uribe, University of Illinois Chicago, Chicago, IL and Robert Holder, University of Michigan Ann Arbor, Ann Arbor, MI and Paul Kapp, University of Arizona, Tucson, AZ and John He, University of California Los Angeles, Los Angeles, CA and James Worthington, UC San Diego - Scripps Institution of Oceanography, La Jolla, CA
  409385 (Theme Sessions)
• 10:55 AM
  SUBDUCTION EROSION UNLIKELY TO TECTONICALLY INCORPORATE UPPER PLATE BLOCKS IN SUBDUCTION COMPLEX MÉLANGES
  John Wakabayashi, California State University, Fresno, CA
  409684 (Theme Sessions)