GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 116
Monday, 23 October 2017: 8:00 AM-12:00 PM
Tahoma 3 (The Conference Center)

T234. What Are the Conditions That Lead to Detachment Faulting?

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division
Thomas Hoisch, Michael L. Wells and John S. Singleton, Advocates
8:00 AM
MECHANICAL CONSTRAINTS ON LOW ANGLE NORMAL FAULT STRENGTH: LONG-TERM AND SECULAR NUMERICAL MODELING OF CORE COMPLEXES (Invited Presentation)
LAVIER, Luc and BIEMILLER, James, University of Texas at Austin, Jackson School of Geosciences, Department of Geological Sciences/ Institute for Geophysics, J.J. Pickle Research Campus, Bldg. 196, 10100 Burnet Rd, Austin, TX 78758-4445, luc@jsg.utexas.edu
8:20 AM
WHAT DO MULTIFAULT EARTHQUAKE RUPTURES TEACH US ABOUT THE MECHANICS OF DETACHMENT FAULTING?
FLETCHER, John M.1, OSKIN, Michael E.2 and TERAN, Orlando1, (1)Geology, CICESE, PO Box 434843, San DIego, CA 92143, (2)Department of Earth and Planetary Sciences, University of California, Davis, One Shields Avenue, Davis, CA 95616, jfletche@cicese.mx
116-3
8:35 AM
Withdrawn
8:50 AM
IMPLICATIONS OF NEW SIMS ZIRCON AGES FOR MAGMATIC EVOLUTION OF THE WHIPPLE MOUNTAINS METAMORPHIC CORE COMPLEX
WOODEN, J.L., U.S Geological Survey, Menlo Park, CA 94025, WRIGHT, J.E., Geology, Univ of Georgia, GGS Bldg, Athens, GA 30602, HOWARD, K., U.S. Geological Survey, 345 Middlefield Road, MS-973, Menlo Park, CA 94025, BARTH, A.P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202 and ANDERSON, J.L., Earth and Environment, Boston University, 685 Commonwealth Ave., Boston, MA 02215, lawford@bu.edu
9:05 AM
A MAJOR EARLIEST SILURIAN LOW-ANGLE DETACHMENT IN THE BRONSON HILL MAGMATIC ARC, MASSACHUSETTS AND SW NEW HAMPSHIRE
ROBINSON, Peter, Geological Survey of Norway, TRONDHEIM, N-7491, Norway, HOLLOCHER, Kurt, Geology Department, Union College, 807 Union St., Geology Department, Schenectady, NY 12308, LUCAS, Benjamin, Geology Department, Union College, Olin Building, 807 Union St., Schenectady, NY 12308, TUCKER, Robert D., Bureau Recherches Géologiques et Minières,, 3 ave. C. Guillemin,, BP 6009,, 45060 Orléans, Cedex 2,, 45060, France, SCHUMACHER, John C., Dept. of Geology, Portland State University,, Portland, OR 97207 and MCENROE, Suzanne A., Norwegian University of Science and Technology, TRONDHEIM, N-7491, Norway, peter.robinson@ngu.no
Handouts
  • SeattleDetachment.ppsx (32.4 MB)
  • 9:20 AM
    WHAT ROLE DO FLUIDS PLAY AT INITIATION OF LOW-ANGLE NORMAL FAULTING? (Invited Presentation)
    JOHN, Barbara E., Geology and Geophysics, University of Wyoming, Laramie, WY 82071, GRIMES, Craig, DKG Seed Farms, Marshallville, OH 44645 and LAFORGE, Justin, California Division of Oil, Gas and Geothermal Resources, Orcutt, CA 93455, bjohn@uwyo.edu
    9:40 AM
    A TWO-STAGE FLUID HISTORY FOR THE OROCOPIA SCHIST AND ASSOCIATED ROCKS RELATED TO FLAT SUBDUCTION AND EXHUMATION, SOUTHEASTERN CALIFORNIA: A COLD AND DRY METAMORPHIC CORE COMPLEX
    HOLK, Gregory J., Department of Geological Sciences and IIRMES, California State Univ Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840, GROVE, Marty J., Department of Geological Sciences, Stanford University, Stanford, CA 94305, JACOBSON, C.E., Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011 and HAXEL, Gordon B., Geology Program, Northern Arizona University, Flagstaff, AZ 86011, gholk@csulb.edu
     
    9:55 AM
    Break
    10:10 AM
    DETACHMENT FAULTS AS DYNAMIC LINKS BETWEEN DEEP AND SHALLOW LITHOSPHERE (Invited Presentation)
    WHITNEY, Donna L.1, TEYSSIER, Christian1, REY, Patrice F.2 and KORCHINSKI, Megan1, (1)Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, (2)Earthbyte Research Group, School of Geosciences, University of Sydney, Sydney, NSW2006, Australia, dwhitney@umn.edu
    10:30 AM
    NEW PRESSURE-TEMPERATURE-TIME PATHS FROM THE FUNERAL MOUNTAINS, CALIFORNIA, RECORDING LATE JURASSIC BURIAL AND EXHUMATION DURING EARLY SEVIER OROGENESIS
    CRADDOCK, Suzanne D.1, HOISCH, Thomas D.1, WELLS, Michael2, SAUER, Katrina M.3, BEYENE, Mengesha A.4 and VERVOORT, Jeffrey D.5, (1)School of Earth Sciences and Environmental Sustainability, Northern Arizona University, 625 S. Knoles Dr., Flagstaff, AZ 86011, (2)Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Pkwy, Las Vegas, NV 89154, (3)Geology, University of Otago, Dunedin, New Zealand, (4)Federal Highway Administration, 2 Turner Fairbank Highway Research Center, McLean, VA 22101; SES Group - Turner Fairbank Highway Research Center, FHWA, McLean, VA 22101, (5)Dept of Geology, Washington State University, Pullman, WA 99163, sc2439@nau.edu
    10:45 AM
    STRUCTURAL AND KINEMATIC HISTORY OF THE CHLORIDE CLIFF REGION: IMPLICATIONS FOR TECTONIC INHERITANCE IN THE FORMATION OF THE FUNERAL MOUNTAINS METAMORPHIC CORE COMPLEX, DEATH VALLEY, CA
    CRAIG, Taylor D., Department of Geoscience, University of Nevada - Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010, WELLS, Michael L., Department of Geoscience, University of Nevada - Las Vegas, 4505 S Maryland Parkway, Las Vegas, NV 89154-4010 and HOISCH, Thomas D., School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011, craig@unlv.nevada.edu
    11:00 AM
    CALC-MYLONITES IN THE BUCKSKIN-RAWHIDE METAMORPHIC CORE COMPLEX, ARIZONA: LOCALIZATION OF DETACHMENT FAULT STRAIN IN RHEOLOGICALLY WEAK ZONES INHERITED FROM CRETACEOUS THRUST FAULTING
    SINGLETON, John S., Warner College of Natural Resources - Department of Geosciences, Colorado State University, 400 University Ave, Fort Collins, CO 80523, WONG, Martin S., Department of Geology, Colgate University, Hamilton, NY 13346 and JOHNSTON, Scott M., Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, john.singleton@colostate.edu
    11:15 AM
    EARLY CRETACEOUS METAMORPHIC CORE COMPLEXES AND EXTENSIONAL DOMES AS A RESULT OF PARALLEL EXTENSION TECTONICS IN EASTERN EURASIAN CONTINENT
    LIU, Junlai1, SHI, Xiaoxiao1, YUAN, Fengjie1 and NI, Jinlong2, (1)China University of Geosciences, Beijing, 100083, China, (2)Shandong University of Science and Technology, Qingdao, 266510, China, jliu@cugb.edu.cn
    11:30 AM
    INGREDIENTS OF RAPID EXHUMATION AND DETACHMENT FAULTING: A CASE STUDY FROM MENDERES CORE COMPLEX, WESTERN TURKEY
    BARAN, Zeynep, Dept. of Geology and Geological Engineering, South Dakota School of Mines & Technology, 501 E. St. Joseph Street, Rapid City, SD 57701, DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Oxford, 208 Shideler Hall, 250 S Patterson Avenue, Oxford, Ohio, OH 45056 and STOCKLI, Daniel F., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 2305 Speedway, Stop C1160, Austin, TX 78712, zeynep.baran@sdsmt.edu
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