T173. Deformation Processes in Lithospheric High-Strain Zones I

Session No. 85
Monday, 5 November 2012: 8:00 AM-12:00 PM
208A (Charlotte Convention Center)

T173. Deformation Processes in Lithospheric High-Strain Zones I

GSA Structural Geology and Tectonics Division; GSA Geophysics Division

 

Micah Jessup, Christopher Bailey and Dazhi Jiang, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:10 AM
WEAKENING, STRAIN LOCALIZATION, AND THE DEEP STRUCTURE OF LITHOSPHERIC SHEAR ZONES (Invited Presentation)
PLATT, John P., Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740 and BEHR, Whitney M., Department of Geology, University of Texas at Austin, Austin, TX 78712-1722, jplatt@usc.edu, jplatt@usc.edu
2
8:30 AM
A MICROMECHANICAL APPROACH FOR HETEROGENEOUS DEFORMATION AND MULTISCALE FABRIC DEVELOPMENT IN EARTH'S LITHOSPHERE
JIANG, Dazhi, Department of Earth Sciences, Western University, London, ON N6A 5B7, Canada, djiang3@uwo.ca, djiang3@uwo.ca
3
8:45 AM
EXPLORING SHAPE FABRIC DEVELOPMENT IN 3D STEADY AND NON-STEADY FLOW: IMPLICATIONS FOR CLAST-BASED VORTICITY GAUGES
STAHR III, Donald W., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 and LAW, Richard D., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, dstahr@vt.edu, dstahr@vt.edu
4
9:00 AM
AN INVERSE APPROACH TO CALCULATING STRAIN, VORTICITY, AND INITIAL FABRIC ORIENTATIONS IN A HIGH STRAIN ZONE
GIORGIS, Scott, Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454 and DAVIS, Joshua R., Mathematics Department, Carleton College, 1 N. College St, Northfield, MN 55057, giorgis@geneseo.edu, giorgis@geneseo.edu
5
9:15 AM
USING DEFORMABLE CLASTS TO CONSTRAIN ROCK DEFORMATION: AN EXAMPLE FROM THE GEM LAKE SHEAR ZONE
DAVIS, Joshua R., Dept. of Mathematics and Statistics, Carleton College, 1 N College St, Northfield, MN 55057, HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858 and TITUS, Sarah, Dept. of Geology, Carleton College, Northfield, MN 55057, horsmane@ecu.edu, horsmane@ecu.edu
6
9:30 AM
A STANDARDIZED PROTOCOL TO TEST OBLIQUE TRANSPRESSION MODELS IN HETEROGENEOUS HIGH-STRAIN ZONES (THE TORCAL DE ANTEQUERA MASSIF, SOUTHERN SPAIN)
DIAZ-AZPIROZ, Manuel1, BARCOS, Leticia1, BALANYA, Juan Carlos1, FERNANDEZ, Carlos2, EXPOSITO, Inmaculada1 and CZECK, Dyanna M.3, (1)Dpt. Physical, Chemical and Natural Systems, Pablo de Olavide University, Crtra. Utrera, km 1, Sevilla, E 41013, Spain, (2)Dpt. Geodinamica y Paleontologia, Huelva University, Campus de El Carmen, Huelva, 21071, Spain, (3)Geosciences, University of Wisconsin - Milwaukee, P.O. Box 413, Milwaukee, WI 53201, mdiaazp@upo.es, mdiaazp@upo.es
Handouts
  • Diaz-Azpiroz et al.pptx (15.6 MB)
  • Díaz Azpiroz et al.pdf (100.8 kB)
  •  
    9:45 AM
    Break
    7
    10:00 AM
    THE ROLE OF MECHANICAL AND THERMAL FRACTURE IN STRAIN LOCALIZATION IN UPPER- AND MID-CRUSTAL SEISMOGENIC FAULT/SHEAR-ZONE SYSTEMS (Invited Presentation)
    JOHNSON, Scott E.1, VEL, Senthil S.2, COOK, Alden C.3, PRICE, Nancy A.4 and GERBI, Christopher C.1, (1)School of Earth and Climate Sciences, University of Maine, Orono, ME 04469, (2)Department of Mechanical Engineering, University of Maine, Orono, ME 04469-5711, (3)Mechanical Engineering, University of Maine, Orono, ME 04469-5711, (4)Department of Geology, Portland State University, PO Box 751, Portland, OR 04469, johnsons@maine.edu, johnsons@maine.edu
    8
    10:20 AM
    MICROROUGHNESS OF AN ANCIENT EARTHQUAKE FAULT
    RESOR, Phillip G., Earth and Environmental Sciences, Wesleyan University, 265 Church St, Middletown, CT 06459, GRIFFITH, W. Ashley, Earth and Environmental Sciences, University of Texas at Arlington, Geoscience Building Room 107, 500 Yates St. Box 19049, Arlington, TX 76019 and REMPE, Marieke, Dipartimento di Geoscienze, Universita' di Padova, via G. Gradenigo, 6, Padova, 35137, Italy, presor@wesleyan.edu, presor@wesleyan.edu
    9
    10:35 AM
    DEFORMATION PATHS IN METAMORPHIC CORE COMPLEXES, ARIZONA
    BAILEY, Christopher, Department of Geology, College of William & Mary, P.O. Box 8795, Williamsburg, VA 23187-8795, cmbail@wm.edu, cmbail@wm.edu
    10
    10:50 AM
    DUCTILE EXTENSION AND EXHUMATION OF THE LEO PARGIL DOME, NW INDIA: IMPLICATIONS FOR THE TECTONICS IN THE WESTERN HIMALAYA
    LANGILLE, Jackie, Environmental Science, UNC Asheville, One University Heights, Asheville, NC 28804, JESSUP, Micah, Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, COTTLE, John, Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106 and AHMAD, Talat, Vice Chancelors Office, Jamia Millia Islamia, Delhi, 110025, India, jlangill@unca.edu, jlangill@unca.edu
    11
    11:05 AM
    THERMAL STRUCTURE OF THE MAIN CENTRAL THRUST, EVEREST TRANSECT, HIMALAYAS
    MAZZA, Sarah E., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060 and LAW, R.D., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, mazza@vt.edu, mazza@vt.edu
     
    11:20 AM
    Discussion
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