2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 268
Wednesday, 21 October 2009: 1:30 PM-5:30 PM
A107/108/109 (Oregon Convention Center)

Tectonics: Advances in Understanding Tectonics and Orogenesis Ancient and Modern

 

Timothy F. Wawrzyniec, Robert D. Hatcher Jr and Peter Hudleston, Chairs
Paper #
Start Time
1
1:30 PM
THE MCT ZONE FROM THE SIKKIM HIMALAYA : AN EXAMPLE OF A RETROGRESSED MYLONITE ZONE
BHATTACHARYYA, Kathakali and MITRA, Gautam, Department of Earth & Environmental Sciences, University of Rochester, Rochester, NY 14627, kathakali.bhattacharyya@gmail.com, kathakali.bhattacharyya@gmail.com
2
1:45 PM
UNDERSTANDING THE PRESERVATION OF AN INVERTED METAMORPHIC PROGRESSION, SCOTTISH CALEDONIDES: INTEGRATING QUANTITATIVE STRUCTURAL, KINEMATIC, AND METAMORPHIC DATA
THIGPEN, J. Ryan1, LAW, Richard D.2, TRACY, Robert J.3, STRACHAN, Rob4, LLOYD, Geoffrey E.5, LOEHN, Clayton3 and BROWN, Summer J.6, (1)Geosciences, Virginia Tech, 4044 Derring Hall, Apt. K-8, Blacksburg, VA 24061, (2)Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, (3)Geosciences, Virginia Tech, Blacksburg, VA 24061, (4)School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth, PO1 3QL, United Kingdom, (5)School of Earth and Environment, Leeds University, Leeds, LS2 9JT, United Kingdom, (6)Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, thigpe05@vt.edu, thigpe05@vt.edu
3
2:00 PM
THE ISTANBUL ZONE: A CONNECTING LINK BETWEEN THE HERCYNIDES AND THE SCYTHIDES
ÖZGÜL, Necdet, GEOMAR Mühendislik, Cengizhan sok. 18/3, Göztepe, Istanbul, 34730, Turkey and ?ENGÖR, A.M. Celâl, Avrasya Yerbilimleri Enstitüsü, Istanbul Teknik Üniversitesi, Ayazaga, Istanbul, 34469, Turkey, sengor@itu.edu.tr, sengor@itu.edu.tr
4
2:15 PM
THE TONALA SHEAR ZONE AND CAPTURE OF THE CHORTIS BLOCK BY THE CARIBBEAN PLATE SYSTEM
WAWRZYNIEC, Timothy1, NANCE, John D.1, GEISSMAN, John1, MOLINA-GARZA, Roberto2 and GROW, Jack3, (1)Earth and Planetary Sciences, University of New Mexico, MSC03-2040, Northrop Hall 141, Albuquerque, NM 87131, (2)Unidad de Investigación de Ciencias de la Tierra, Campus Juriquilla, UNAM, Km 15 Carretera San Luis Potosí, Querétaro, 76230, Mexico, (3)Shell Exploration and Production, Woodcreek Campus A4122, 150 North Dairy Ashford, Houston, TX 77071, tfw@unm.edu, tfw@unm.edu
5
2:30 PM
LATE HOLOCENE PALEOSEISMICITY OF THE AUSTRALIA-PACIFIC PLATE BOUNDARY IN CENTRAL SOUTH ISLAND: THE ALPINE TO HOPE FAULT TRANSITION
LANGRIDGE, Robert M.1, VILLAMOR, Pilar1, ALMOND, Peter2, BASILI, Roberto3, HEMPHILL-HALEY, Mark4 and RIES, William5, (1)Seismic Hazards, GNS Science, PO Box 30-368, Lower Hutt, 5040, New Zealand, (2)Soil and Physical Sciences Group, Lincoln Univ, Division of Soil, Plant and Ecological Sciences, PO Box 84, Canterbury, New Zealand, (3)Istituto Nazionale Geofisica e Vulcanologia, Via di Vigna Murata 605, Roma, 00143, Italy, (4)Dept. of Geological Sciences, Humboldt State University, Arcata, CA 95521, (5)School of Earth Sciences, Victoria University of Wellington, Wellington, 6001, New Zealand, r.langridge@gns.cri.nz, r.langridge@gns.cri.nz
6
2:45 PM
A GEODYNAMIC MODEL OF THE WEST ANTARCTIC RIFT SYSTEM
HARRY, Dennis L., Geosciences, Colorado State University, Fort Collins, CO 80523 and ANOKA, Jourdan, Excel Geophysical Services, 5690 DTC Blvd Suite 150E, Greenwood Village, CO 80111, dharry@warnercnr.colostate.edu, dharry@warnercnr.colostate.edu
7
3:00 PM
THE OPHIOLITE PARADOX RESOLVED?
CASEY, John F., Department of Geosciences, University of Houston, Houston, TX 77204 and DEWEY, John F., University College, Oxford, Oxford, OX1 4BH, United Kingdom, jfdewey@ucdavis.edu, jfdewey@ucdavis.edu
 
3:15 PM
Break
8
3:30 PM
METAMORPHIC EVOLUTION OF THE HOUSE MOUNTAIN GNEISS COMPLEX, SOUTH WEST IDAHO
DYE, John H., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, SCHMITZ, M.D., Department of Geosciences, Boise State University, Boise, ID 83725 and CROWLEY, James L., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, johndye@u.boisestate.edu, johndye@u.boisestate.edu
9
3:45 PM
NATURE OF SHAWINIGAN DEFORMATION IN THE NORTHWEST ADIRONDACK LOWLANDS
BAIRD, Graham B., Earth and Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639 and SHRADY, Catherine, Department of Geology, St. Lawrence University, Brown Hall, St. Lawrence University, Canton, NY 13617, Graham.Baird@unco.edu, Graham.Baird@unco.edu
10
4:00 PM
FOLDING VERSUS THRUSTING IN THE ROCKY MOUNTAIN FOLD-THRUST BELT
HUDLESTON, Peter, Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, FITZ-DIAZ, Elisa, Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Dr SE, Minneapolis, MN 55455-0219 and TOLSON, Gustavo, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Cd. Universitaria, Mexico DF, 04510, Mexico, hudle001@umn.edu, hudle001@umn.edu
11
4:15 PM
DETERMINING THE 3-D KINEMATIC HISTORY OF THE WYOMING LARAMIDE FORELAND: PRELIMINARY RESULTS FROM A PALEOMAGNETIC INVESTIGATION OF THE TRIASSIC CHUGWATER GROUP
WEIL, Arlo Brandon1, YONKEE, Adolph2, STATMAN-WEIL, Zoe3 and WICKS, David1, (1)Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010, (2)Department of Geosciences, Weber State University, 2507 University Circle, Ogden, UT 84408, (3)Department of Geology, Carleton College, Mudd Hall, Carleton College, Northfield, MN 55057, aweil@brynmawr.edu, aweil@brynmawr.edu
12
4:30 PM
NEW EXPLORATION OF THE TECTONIC HISTORY OF THE APPALACHIAN INNER PIEDMONT IN CENTRAL GEORGIA: DEFINING THE EXTENT AND CHARACTERISTICS OF THE BRINDLE CREEK FAULT, TOWALIGA FAULT, AND CAT SQUARE TERRANE
DAVIS, Brittany Allison1, HUEBNER, Matthew T.1 and HATCHER Jr, Robert D.2, (1)Earth and Planetary Sciences, University of Tennessee - Knoxville, 306 Earth and Planetary Sciences Building, Knoxville, TN 37996, (2)Earth and Planetary Sciences and Science Alliance Center of Excellence, University of Tennessee-Knoxville, 306 EPS Building, Knoxville, TN 37996-1410, bdavis37@utk.edu, bdavis37@utk.edu
13
4:45 PM
TRIASSIC-JURASSIC REACTIVATION OF THE ALLEGHANIAN (PENNSYLVANIAN-PERMIAN) TOWALIGA FAULT, CENTRAL GEORGIA, APPALACHIANS
HUEBNER, Matthew T.1, HATCHER Jr, Robert D.2 and DAVIS, Brittany Allison1, (1)Earth and Planetary Sciences, University of Tennessee - Knoxville, 306 Earth and Planetary Sciences Building, Knoxville, TN 37996, (2)Earth and Planetary Sciences and Science Alliance Center of Excellence, University of Tennessee-Knoxville, 306 EPS Building, Knoxville, TN 37996-1410, mhuebne1@utk.edu, mhuebne1@utk.edu
14
5:00 PM
INITIAL BREAKUP OF PANGEA AND BIRTH OF THE ATLANTIC: A DIFFICULT AND COMPLEX PROCESS COMPARBLE TO THE BIRTH OF LARGE ANIMALS
HATCHER Jr, Robert D.1, HUEBNER, Matthew T.2, DAVIS, Brittany Allison2 and HOOPER, Robert J.3, (1)Earth and Planetary Sciences and Science Alliance Center of Excellence, University of Tennessee-Knoxville, 306 EPS Building, Knoxville, TN 37996-1410, (2)Earth and Planetary Sciences, University of Tennessee - Knoxville, 306 Earth and Planetary Sciences Building, Knoxville, TN 37996, (3)BHPBilliton Petroleum, New Ventures, 1360 Post Oak Boulevard Suite 105, Houston, TX 77056, bobmap@utk.edu, bobmap@utk.edu