Geological Society of America

8:00 AM

THE DEVELOPMENT OF INNER DAMAGE ZONES AROUND FAULTS AND THEIR RELATIONSHIP TO SEISMIC ATTRIBUTES IN FAULTS: A VIRTUOUS FEEDBACK AMONGST SEISMICITY, FLUID FLOW, HEAT, ALTERATION, AND DEFORMATION

James P. Evans, Utah State University, Logan, UT and Kelly Keighley Bradbury, Utah State University Geology, Logan, UT and Amy C. Moser, Utah State University, Logan, UT and Susanne U. Janecke, Utah State University, Logan, UT and David H. Forand, Chevron Co., Houston, TX

286326 (Technical Sessions)

8:15 AM

LARAMIDE THRUST FAULT-RELATED FOLDING ACCOMMODATED BY SLIPPED DEFORMATION BANDS IN DAKOTA GROUP SANDSTONES, CAÑON CITY EMBAYMENT, COLORADO

E. Quentin Anlian, University of Georgia, Athens, GA and Christian Klimczak, University of Georgia, Athens, GA and Douglas E. Crowe, University of Georgia, Athens, GA

281781 (Technical Sessions)

8:30 AM

USING U-PB GEOCHRONOLOGY OF CALCITE TO CONSTRAIN THE TIMING OF FAULT EVOLUTION

Nick Roberts, British Geological Survey NERC Isotope Geosciences, Nottingham and Richard J. Walker, University of Leicester, Leicester and Troy Rasbury, Stony Brook University, Stony Brook, NY

284758 (Technical Sessions)

8:45 AM

SPATIOTEMPORAL EVOLUTION OF BRITTLE FAULT ACTIVITY BASED ON STRAIN ANALYSIS AND IN SITU U-PB AGES OF SYNTECTONIC TWINNED CALCITE

Ram Weinberger, Geological Survey of Israel, Jerusalem and Perach Nuriel, The Geological Survey of Israel Geochemistry, Jerusalem and John P. Craddock, Macalester College, St. Paul, MN

280011 (Technical Sessions)

9:00 AM

PREFERRED ORIENTATION OF GRAINS IN FAULTED POORLY LITHIFIED SEDIMENTS FROM THE RIO GRANDE RIFT STUDIED BY AMS, SEM, AND MICROCT

Mark Hudson, U.S. Geological Survey, Denver, CO and Scott Minor, U.S. Geological Survey, Denver, CO and Jonathan S. Caine, Simon Fraser University, Burnaby, BC and Mansoureh Rad, Pleasanton, CA and Heather A. Lowers, U.S. Geological Survey, Denver, CO

281168 (Technical Sessions)

9:15 AM

SPATIOTEMPORAL EVOLUTION OF SAN ANDREAS FAULT-RELATED DEFORMATION IN THE MECCA HILLS, SOUTHERN CALIFORNIA, FROM INTEGRATED FAULT ZONE CHARACTERIZATION AND LOW-TEMPERATURE THERMOCHRONOLOGY

Amy C. Moser, Utah State University, Logan, UT and James P. Evans, Utah State University, Logan, UT and Alexis Ault, Utah State University, Logan, UT and Kelly Keighley Bradbury, Utah State University Geology, Logan, UT and Susanne U. Janecke, Utah State University, Logan, UT

280829 (Technical Sessions)

9:30 AM

SHEAR STRAIN LOCALIZATION AND EVOLVING KINEMATIC EFFICIENCY OF STRIKE-SLIP FAULT DEVELOPMENT WITHIN WET KAOLIN EXPERIMENTS

Alex E. Hatem, University of Southern California, Los Angeles, CA and Michele Cooke, University of Massachusetts Amherst, Amherst, MA and Kevin Toeneboehn, University of Massachusetts Amherst, Amherst, MA

282839 (Technical Sessions)

10:00 AM

THE ROLE OF FAULT ZONE STRUCTURE AND MATURITY IN DETERMINING THE MODE OF FAILURE: PERSPECTIVES ON THE SPECTRUM OF FAULT SLIP BEHAVIORS

Chris Marone, Penn State, University Park, PA

286051 (Technical Sessions)

10:15 AM

INSIGHTS INTO EARTHQUAKE RUPTURE AND RECOVERY FROM PALEOSEISMIC FAULTS

Christie Rowe, McGill University, Montreal, QC and W. Ashley Griffith, University of Texas at Arlington, Arlington, TX and Catherine Ross, McGill University, Montreall, QC and Benjamin Melosh, US Geological Survey, Menlo Park, CA and Erik Young, McGill University, Montreal, QC

281983 (Technical Sessions)

10:30 AM

ASPERITY FLASH HEATING AND DYNAMIC WEAKENING OF HEMATITE-COATED FAULT SURFACES FROM MICROTEXTURAL ANALYSIS, (U-TH)/HE THERMOCHRONOLOGY, AND THERMOMECHANICAL MODELING

Robert G. Mcdermott, Utah State University, Logan, UT and Alexis Ault, Utah State University, Logan, UT and James P. Evans, Utah State University, Logan, UT and Peter W. Reiners, University of Arizona, Tucson, AZ

284874 (Technical Sessions)

10:45 AM

IS LAYERED FAULT-CORE ULTRACATACLASITE CONTAINING MULTIPLE PRINCIPAL SLIP SURFACES A COMMON ROCK RECORD OF PALEOSEISMICITY? INSIGHT FROM THE WEST SALTON DETACHMENT (WSD), CALIFORNIA

Gary Axen, New Mexico Institute of Mining and Technology, Socorro, NM

287175 (Technical Sessions)

11:00 AM

A POSSIBLE EXAMPLE OF PULVERIZED GRANITE FROM THE BRITTLE-DUCTILE TRANSITION

Walter Sullivan, WSP USA, San Francisco, CA and Emily Peterman, Bowdoin College Earth & Oceanographic Science, Brunswick, ME

283145 (Technical Sessions)

11:15 AM

CHARACTERIZING INTERACTIONS BETWEEN EARTHQUAKE RUPTURE AND FAULT ZONE STRUCTURE

Yihe Huang, University of Michigan, Ann Arbor, MI

280758 (Technical Sessions)

11:30 AM

IMAGING PSEUDOTACHYLYTE FROM SOURCE TO SINK

Phillip Resor, Wesleyan University, Middletown, CT and Katherine A.H. Shervais, UNAVCO, Boulder, CO and William J. Sawyer, Wesleyan University, Middletown, CT

286006 (Technical Sessions)

11:45 AM

IN SITU 40AR/39AR UV LASER ANALYSIS OF SUB-MILLIMETER MICROSTRUCTURAL DOMAINS IN MIOCENE PSEUDOTACHYLYTE

Jack R. Hoehn, University of Wisconsin - Madison, Madison, WI and Laurel Goodwin, University of Wisconsin-Madison, Madison, WI and Brad Singer, University of Wisconsin-Madison, Madison, WI and Brian Jicha, University of Wisconsin-Madison, Madison, WI

280577 (Technical Sessions)

T25 Deconstructing Damage: Holistic Perspectives on the Spatiotemporal Evolution of Brittle Fault Zones

Presentations