T237 Low-angle Normal Faults and Faulting: Field Studies, Fault Rocks, Mechanics, and Weakening Mechanisms

Wednesday, 10 November 2004
1:30 PM - 5:30 PM

Presentations

• 1:40 PM
  THE NATURE AND ORIGIN OF DETACHMENT FAULTS
  Gordon Lister, The Australian National Univ, Canberra, N/A and M.A. Forster, The Australian National Univ, Canberra, N/A
  81132 (Technical Sessions)
• 1:55 PM
  MICROSEISMICITY ALONG LOW-ANGLE NORMAL FAULTS TRIGGERED BY FLUID OVERPRESSURE: AN EXAMPLE FROM THE ALTOTIBERINA FAULT (CENTRAL ITALY)
  Cristiano Collettini, Università degli Studi di Perugia, Perugia, N/A and Massimiliano R. Barchi, Università degli Studi di Perugia, Perugia, N/A and Carlo Cardellini, Università degli Studi di Perugia, Perugia, N/A and Giovanni Chiodini, Osservatorio Vesuviano, Istituto Nazionale di Geofisica e Vulcanologia, Napoli, N/A and Francesco Frondini, Università degli Studi di Perugia, Perugia, N/A and Minelli Giorgio, Università degli Studi di Perugia, Perugia, N/A
  78959 (Technical Sessions)
• 2:10 PM
  LATE QUATERNARY – RECENT SLIP ON A LOW-ANGLE NORMAL FAULT: INFERENCES FROM ALLUVIAL DEPOSITS ALONG THE PANAMINT VALLEY FAULT SYSTEM
  Eric Kirby, Pennsylvania State Univ, University Park, PA and J. Douglas Walker, Univ of Kansas, Lawrence, KS and John Gosse, Dalhousie University, Halifax, NS and Eric McDonald, Desert Rsch Institute, Reno, NV
  79732 (Technical Sessions)
• 2:25 PM
  ROLE OF LATE QUATERNARY DETACHMENT FAULTING IN THE NORTHERN GULF EXTENSIONAL PROVINCE, SIERRAS EL MAYOR AND CUCAPA, BAJA CALIFORNIA, MEXICO
  Ronald Spelz Madero, CICESE, Ensenada, N/A and John M. Fletcher, CICESE, Ensenada, N/A
  80327 (Technical Sessions)
• 2:40 PM
  LOW-ANGLE NORMAL FAULT (LANF) MECHANICS: PRESENTLY INADEQUATE, VERY IMPORTANT, AND POISED FOR A MAJOR BREAKTHROUGH
  Gary Axen, Univ of California Los Angeles, Los Angeles, CA
  79750 (Technical Sessions)
• 3:00 PM
  FAULT GOUGE MINERALOGY AS A DRIVER FOR VARIABLE FRICTIONAL RESPONSE IN A LOW-ANGLE NORMAL FAULT SETTING
  T. Numelin, Penn State Univ, University Park, PA and C. Marone, Penn State Univ, University Park, PA and E. Kirby, Penn State Univ, University Park, PA
  79179 (Technical Sessions)
• 3:15 PM
  WEAKENING MECHANISMS ALONG LOW-ANGLE NORMAL FAULTS
  Robert E. Holdsworth, Durham University, Durham, N/A and Cristiano Collettini, Universita' di Perugia, Perugia, N/A
  75310 (Technical Sessions)
• 3:30 PM
  FAULT ZONE DEFORMATION: THE KEY TO WHAT IS A ROOTED DETACHMENT AND WHAT IS NOT
  Mark H. Anders, Palisades, NY and Christopher D. Walker, Palisades, NY and Nicholas Christie-Blick, Palisades, NY
  77528 (Technical Sessions)
• 3:50 PM
  USING FIELD EVIDENCE TO DISTINGUISH BETWEEN ROOTED AND ROOTLESS DETACHMENT FAULTS IN THE MORMON MOUNTAINS, SOUTHEASTERN NEVADA
  Christopher D. Walker, Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY and Mark H. Anders, Palisades, NY and Thorsten Nagel, Lamont-Doherty Earth Observatory of Columbia Univ, Palisades, NY and Nicholas Christie-Blick, Palisades, NY
  77799 (Technical Sessions)
• 4:05 PM
  "FOLDED DETACHMENTS AND CONSTRICTIONAL FABRICS IN TRANSTENSION; SPOOF OROGENIES"
  John F. Dewey, UC Davis, Davis, CA
  73915 (Technical Sessions)
• 4:25 PM
  STRUCTURAL EXPRESSION OF LOW-ANGLE NORMAL FAULTS DEVELOPED IN WRENCH SETTINGS: AN EXAMPLE FROM THE WEST SALTON DETACHMENT SYSTEM
  Gary Axen, Univ of California Los Angeles, Los Angeles, CA and Mary Kairouz, Univ of California Los Angeles, Los Angeles, CA and Alexander N. Steely, Utah State Univ, Logan, UT and Susanne U. Janecke, Utah State Univ, Logan, UT and Rebecca J. Dorsey, Univ of Oregon, Eugene, OR
  79279 (Technical Sessions)
• 4:40 PM
  EXHUMATION BY LOW-ANGLE NORMAL FAULTING: EXAMPLES FROM THE AEGEAN SEA, GREECE
  Uwe Ring, Johannes Gutenberg-Universität, Mainz, N/A and Klaus Gessner, CSIRO Exploration and Mining, Bentley, N/A and Stephanie Brichau, Universitaet Mainz, Mainz, N/A and Johannes Glodny, GeoForschungsZentrum, Potsdam, N/A and Thomas Will, Universitaet Wuerzburg, Wuerzburg, N/A
  75268 (Technical Sessions)
• 5:00 PM
  FLUID FLOW AND HEAT TRANSFER DURING EXHUMATION OF METAMORPHIC CORE COMPLEXES
  Annia Fayon, Univ of Minnesota, Minneapolis, MN and Andreas Mulch, Univ of Minnesota, Minneapolis, MN and Christian Teyssier, Univ of Minnesota, Minneapolis, MN and Mark Person, Indiana Univ, N/A and Olivier Vanderhaeghe, Université Henri Poincaré Nancy 1, Vandoeuvre-lès-Nancy Cedex, N/A
  80443 (Technical Sessions)
• 5:15 PM
  TIME SCALES OF FLUID FLOW AND THERMAL RELAXATION DURING HIGH-STRESS DEFORMATION IN EXTENSIONAL DETACHMENT MYLONITE
  Mike Cosca, Univ of Lausanne, Lausanne, N/A and Andreas Mulch, Univ of Minnesota, Minneapolis, MN and Christian Teyssier, Univ of Minnesota, Minneapolis, MN
  80588 (Technical Sessions)