T140 Present-Day and Ancient Flat-Slab Subduction in Rock Records, Geophysical Images, and Geodynamic Models

Monday, 23 September 2019
1:30 PM - 5:30 PM
Room 132ABC, North Building

Presentations

• 1:30 PM
  INTERACTIONS BETWEEN A SUB-HORIZONTAL SUBDUCTING PLATE AND THE OVERLYING CONTINENTAL LITHOSPHERE
  Claire A. Currie, University of Alberta, Edmonton, AB and Gary Axen, New Mexico Inst Mining and TechnologyDept. Earth & Environmental Science, Socorro, NM and Jolante van Wijk, New Mexico Institute of Mining and Technology, Socorro, NM and Xiaowen Liu, Edmonton, AB
  338049 (Technical Sessions)
• 1:45 PM
  TIMING AND IMPLICATIONS OF LATE CRETACEOUS SHALLOW SUBDUCTION REFRIGERATION OF SOUTHERN CALIFORNIA AND SOUTHWESTERN ARIZONA
  Marty Grove, Stanford University, Stanford, CA and Carl Jacobson, Iowa State University, Ames, IA and Carl Jacobson, West Chester University of Pennsylvania, West Chester, PA and Danielle Ziva Shulaker, Stanford University, Stanford, CA and Jeremy Hourigan, University California Santa Cruz, Santa Cruz, CA and Oscar M. Lovera, Univ. of California, Los Angeles, CA
  337726 (Technical Sessions)
• 2:00 PM
  THE SWAKANE GNEISS WAS UNDERTHRUST BENEATH WASHINGTON OR OREGON, WHILE THE PELONA-OROCOPIA-RAND SCHISTS WERE UNDERTHRUST SEPARATELY BENEATH SOUTHERN CALIFORNIA
  Trevor Dumitru, Jasper Canyon Research Inc., Palo Alto, CA and Jeremy K. Hourigan, University of California Santa Cruz, Santa Cruz, CA
  339193 (Technical Sessions)
• 2:15 PM
  GEOGRAPHIC EXTENT OF CONTINENTAL LITHOSPHERIC MANTLE METASOMATISM DURING THE LARAMIDE OROGENY BASED ON VOLCANIC ROCK GEOCHEMISTRY, SOUTHWESTERN NORTH AMERICA
  Lang Farmer, University of Colorado, Boulder, CO and Diane Fritz, Denver, CO and Allen Glazner, University of North Carolina, Chapel Hill, NC
  337655 (Technical Sessions)
• 2:30 PM
  TECTONIC EROSION OF THE HANGING WALL OF THE LARAMIDE LOW-ANGLE SUBDUCTION COMPLEX, SOUTHWEST U.S.A.: ACTINOLITITE, METADIORITE, AND PERIDOTITE INCLUSIONS AND BLOCKS IN THE OROCOPIA SCHIST
  Gordon B. Haxel, U.S. Geological Survey, Flagstaff, AZ and Gordon B. Haxel, Northern Arizona University, Flagstaff, AZ and Carl Jacobson, Iowa State University, Ames, IA and Carl Jacobson, West Chester University of Pennsylvania, West Chester, PA and Gabe Epstein, Flagstaff, PA and Gabe Epstein, Bethlehem, AZ and James H. Wittke, Flagstaff, AZ
  330992 (Technical Sessions)
• 2:45 PM
  EXPLORING THE IMPACT OF SHALLOW SUBDUCTION ON THE OVERRIDING PLATE IN THE CENTRAL ANDES OF PERU
  Nicholas Perez, Texas A&M University, College Station, TX
  334669 (Technical Sessions)
• 3:00 PM
  MANTLE-TO-CRUST FLUID TRANSFER ABOVE THE PERUVIAN FLAT SLAB: INSIGHT FROM HELIUM ISOTOPES IN THERMAL SPRINGS OF THE PERUVIAN ANDES
  Coleman D. Hiett, Utah State University, Logan, UT and Dennis Newell, Utah State University, Logan, UT and Heather Upin, Utah State University, Logan, UT and Micah Jessup, University of Tennessee, Knoxville, TN and Brandt E. Scott, Hess Corporation, Houston, TX and Brandt E. Scott, Utah State University, Logan, UT and Tyler Grambling, Knoxville, TN and Cameron A. Hughes, University of Tennessee, Knoxville, TN and Colin Shaw, Montana State University, Bozeman, MT
  336838 (Technical Sessions)
• 3:30 PM
  MECHANICAL EFFECTS OF FLAT-SLAB SUBDUCTION ON BASAL CONTINENTAL LITHOSPHERE: INSIGHTS FROM THE SUBDUCTION OF THE NAZCA RIDGE IN PERU
  Brandon T. Bishop, University of Arizona, Tucson, AZ and Jamie Ryan, University of Arizona, Tucson, AZ and Susan L. Beck, University of Arizona, Tucson, AZ
  331950 (Technical Sessions)
• 3:45 PM
  TIMESCALES OF ANDEAN FLAT-SLAB SUBDUCTION, CORDILLERAN MAGMATISM, AND GEODYNAMIC EVOLUTION
  Tomas N. Capaldi, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX and Brian Horton, Jackson School of Geosciences, University of Texas at Austin, Austin, TX and Chelsea Mackaman-Lofland, Jackson School of Geosciences, University of Texas at Austin, Austin, TX and N. Ryan McKenzie, University of Hong Kong, Pokfulam and Daniel F. Stockli, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX and Gustavo Ortíz, Universidad Nacional de San Juan -Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Juan and Patricia A. Alvarado, CIGEOBIO, CONICET-Universidad Nacional de San Juan, San Juan
  339891 (Technical Sessions)
• 4:00 PM
  CRETACEOUS-CENOZOIC GROWTH OF THE PATAGONIAN BROKEN FORELAND BASIN, ARGENTINA: CHRONOSTRATIGRAPHIC FRAMEWORK AND PROVENANCE VARIATIONS DURING TRANSITIONS IN ANDEAN SUBDUCTION DYNAMICS
  Kristina Butler, Georgetown, TX and Brian Horton, Jackson School of Geosciences, University of Texas at Austin, Austin, TX and Andres Echaurren, Universidad de Buenos Aires-CONICET, Buenos Aires and Andres Folguera, Universidad de Buenos Aires-CONICET, Buenos Aires and Facundo Fuentes, Buenos Aires, N/A
  339028 (Technical Sessions)
• 4:15 PM
  CAUSE AND CONSEQUENCES OF FLAT-SLAB SUBDUCTION AND FOUNDERING: A SOUTH CHINA EXAMPLE
  Zheng-Xiang Li, Curtin University, Perth and Xian-Hua Li, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing and Kongyang Zhu, Zhejiang University, Hangzhou and Lifeng Meng, Southwest Petroleum University, Chengdu and Chongjin Pang, Guilin University of Technology, Guilin and Ni Tao, Chang'an University, Xi'an
  335001 (Technical Sessions)
• 4:30 PM
  JURASSIC TO CRETACEOUS INTRACONTINENTAL SHORTENING AND MAGMATISM IN NORTH CHINA: EVIDENCE FOR FLAT-SLAB SUBDUCTION OF THE IZANAGI PLATE
  Christopher Andrew Clinkscales, The University of Arizona, Tucson, AZ and Paul Kapp, University of Arizona, Tucson, AZ
  336397 (Technical Sessions)
• 4:45 PM
  A MESOZOIC FLAT-SLAB SUBDUCTION EVENT IN NORTHEAST ASIA FROM TOP TO BOTTOM
  Yiduo Liu, University of Houston, Houston, TX and John Suppe, University of Houston, Houston, TX
  334699 (Technical Sessions)