2011 GSA Annual Meeting in Minneapolis (9–12 October 2011)
Session No. 31 Sunday, 9 October 2011
9:00 AM-6:00 PM, Minneapolis Convention Center: Hall C

Structural Geology (Posters): Advances in Structural Geology

Authors will be present from 9 to 11 AM, and 4:30 to 6 PM
 Paper #Booth #
31-1129MINERAL ORIENTATION, AMS DATA, AND IMPLICATIONS FOR MULTIPLE SHEET EMPLACEMENT OF THE MAIDEN CREEK SILL, HENRY MOUNTAINS, SOUTHERN UTAH: CONNER, Jeremy, Earth & Atmospheric Sciences, Central Michigan University, 314 Brooks Hall, Mount Pleasant, MI 48858, conne2jm@cmich.edu, MORGAN, Sven, Department of Geology and Meteorology, Central Michigan University, 314 Brooks Hall, Mount Pleasant, MI 48859, STUDENT, James J., Geology Department, Central Michigan Univ, 314 Brooks Hall, Mt. Pleasant, MI 48859, and HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858
31-2130PALEOMAGNETIC INSIGHT INTO THE CONSTRUCTION OF THE BUCKHORN RIDGE SILL, HENRY MOUNTAINS, UT: SWEDE-GRAKOWSKY, Ashley, Geological Sciences, SUNY-Geneseo, 1 College Circle, Geneseo, NY 14454, aes2@geneseo.edu, HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, and GIORGIS, Scott, Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454, USA USA
31-3131STRUCTURAL ANALYSIS OF A SHEAR ZONE IN TACUIL (PROVINCE OF SALTA), NW ARGENTINA: PINAN-LLAMAS, Aranzazu1, TEMPLE, Preston1, LEON-MOREANO, Ivan2, LOPEZ, Jose Pablo2, and ESCAMILLA-CASAS, José C.3, (1) Department of Geosciences, IPFW, 2101 E. Coliseum Blvd, Fort Wayne, IN 46805, temppl01@students.ipfw.edu, (2) Instituto Superior de Correlación Geológica - CONICET, Universidad Nacional de Tucuman, Miguel Lillo 205, San Miguel de Tucuman, 49422, Argentina, (3) Centro de Investigacion en Ciencias de la Tierra, Universidad Autonoma del Estado de Hidalgo, Carretera Pachuca-Tulancingo, km 4.5, Pachuca, 42184, Mexico
31-4132ANALYZING DUCTILE SHEAR ZONE NETWORK GEOMETRIES IN THE GRASSY PORTAGE SILL, RAINY LAKE REGION, NORTHWESTERN ONTARIO, CANADA: THALHAMER, Ernest J., University of Wisconsin-Milwaukee, Milwaukee, WI 53211, thalham2@uwm.edu and CZECK, Dyanna M., Geosciences, University of Wisconsin - Milwaukee, P.O. Box 413, Milwaukee, WI 53201
31-5133AR GEOCHRONOLOGY OF PSEUDOTACHYLYTES USING SUB-SAMPLE DATING, ILLUSTRATED BY DATING THE ST. LAWRENCE RIFT SYSTEM, SOUTHERN QUEBEC: 613-614Ma RIFT INITIATION OF THE IAPETUS OCEAN: O'BRIEN, Tim, Geological Science, University of Michigan, 1100 North University Ave, Ann Arbor, MI 48109, obrientm@umich.edu and VAN DER PLUIJM, Ben A., Geological Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109
31-6134MICROSTRUCTURAL STUDY OF DEFORMED DIAMICTITES ALONG THE WILLARD THRUST FAULT, WITH IMPLICATIONS FOR FLUID INTERACTION ALONG A FAULT: BARSZEWSKI, Christine E.1, CZECK, Dyanna M.2, YONKEE, Adolph3, PANTONE, Spenser3, and NACHBOR, Amelia4, (1) Geosciences, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, WI 53201, barszew2@uwm.edu, (2) Geosciences, University of Wisconsin - Milwaukee, P.O. Box 413, Milwaukee, WI 53201, (3) Department of Geosciences, Weber State University, 2507 University Circle, Ogden, UT 84408, (4) Department of Geosciences, Univ of Wisconsin-Milwaukee, P.O. Box 413, 366 Lapham Hall, Milwaukee, WI 53201
31-7135VERTICAL INJECTITES OF DETACHMENT CARBONATE ULTRACATACLASITE AT WHITE MOUNTAIN, HEART MOUNTAIN DETACHMENT, WYOMING: GEARY, Jesse D., Geology, Macalester College, 1600 Grand Avenue, St. Paul, MN 55105, jgeary@macalester.edu, CRADDOCK, John P., Geology Department, Macalester College, 1600 Grand Avenue, St. Paul, MN 55105, and MALONE, David, Geography-Geology, Illinois State Univ, Campus Box 4400, Normal, IL 61761-4400
31-8136ORIGIN OF THE ENIGMATIC BRECCIA AND FOLDS IN THE TURNERS FALLS FORMATION, DEERFIELD BASIN, WESTERN MASSACHUSETTS: SEIDMAN, Lily E., Department of Geosciences, Smith College, 1 Chapin Way, Northampton, MA 01063, LESeidman@gmail.com and BURGER, H. Robert, Department of Geology, Smith College, Northampton, MA 01063
31-9137POLYGONAL PATTERNS AND DESERT EYES: RECONNAISSANCE SATELLITE IMAGE STUDY OF FOLD AND FAULT STRUCTURES IN LATE CRETACEOUS AND EARLY TERTIARY LIMESTONES OF THE WESTERN DESERT, EGYPT: TEWKSBURY, Barbara1, KATTENHORN, Simon A.2, SAYLER, Frances1, TEWKSBURY-CHRISTLE, Carolyn3, and SAINT-JACQUES, David4, (1) Dept. of Geosciences, Hamilton College, 198 College Hill Rd, Clinton, NY 13323, btewksbu@hamilton.edu, (2) Geological Sciences, University of Idaho, PO Box 443022, Moscow, ID 83844-3022, (3) United States Air Force, Dept. of Earth and Planetary Sciences, University of Tennessee, 1412 Circle Dr, Knoxville, TN 37996-1410, (4) Canadian Space Agency, 6767 Route de l'Aeroport, Saint-Hubert, QC J3Y 8Y9, Canada
31-10138A PREVIOUSLY UNRECOGNIZED SYSTEM OF FOLDS AND RELATED FAULTS IN STABLE PLATFORM LIMESTONES OF THE EL RUFUF AND DRUNKA FORMATIONS, WESTERN DESERT, EGYPT: TEWKSBURY, Barbara1, DOKMAK, Asmaa A.2, TARABEES, Elhamy3, MANSOUR, Ahmed Sadek M.2, FATTAH, Tharwat Abdel2, and RASHED, Mohamed A.2, (1) Dept. of Geosciences, Hamilton College, 198 College Hill Rd, Clinton, NY 13323, btewksbu@hamilton.edu, (2) Geology Department, Faculty of Science, Alexandria University, Moharam Beih, Alexandria, 21511, Egypt, (3) Geology Department, Faculty of Science, Damanhour University, 22 Galal Street, Damanhour, 22516, Egypt
31-11139THE EFFECTS OF JOINTING ON NATURAL GAS DRILLING, HYDRAULIC FRACTURING, AND GROUND WATER QUALITY IN CENTRAL UPSTATE NEW YORK: OAKES, William J. III, SUNY College at Oneonta, Oneonta, NY 13820, oakewj51@suny.oneonta.edu and BRUNSTAD, Keith A., Earth Sciences, SUNY College at Oneonta, Oneonta, NY 13820
31-12140BENTONITE-CONTROLLED DEFORMATION OF MIDDLE ORDOVICIAN LIMESTONE AT CHICKAMAUGA DAM, CHATTANOOGA, TENNESSEE: HOWARD, Christopher W.1, MIES, Jonathan W.2, BODKIN, Tom E.3, and BRACKETT, Dixon G.3, (1) Earth and Planetary Sciences, University of Tennessee-Knoxville, 306 Earth and Planetary Sciences Building, Knoxville, TN 37996-1410, (2) Physics, Geology and Astronomy, University of Tennessee, Chattanooga, 615 McCallie Avenue, MC 6556, Chattanooga, TN 37403, Jonathan-Mies@utc.edu, (3) Earthworx LLC, 4510 Turntable Rd, Suite 120, Chattanooga, TN 37421
31-13141DISHARMONIC FOLDING AND FAULTING IN A PROTEROZOIC PHYLLITE, CUSTER, SD: SIMMONS, Andrew William, Dept. of Geoscience, Winona State University, Southeastern Minnesota Water Resources Center, Winona, MN 55987, asimmons07@winona.edu and ALLARD, Stephen T., Department of Geoscience, Winona State University, P.O. Box 5838, Winona, MN 55987
31-14142EXPLORING LARGE-SCALE SHEAR FOLD GEOMETRY USING THREE-DIMENSIONAL GOOGLE EARTH MODELING: WALLACE, James W., KING, Amber R., and DIPIETRO, Joseph A., Department of Geology, University of Southern Indiana, 8600 University Blvd, Evansville, IN 47712, jwwallace@mail.usi.edu
31-15143LATE-STAGE LARAMIDE REACTIVATION OF PRECAMBRIAN STRUCTURES: EVIDENCE FOR ~ N-S LARAMIDE SHORTENING ALONG THE SOUTHEASTERN MARGIN OF THE WIND RIVER MOUNTAINS: THOMAS, Andrew and BAUER, Robert L., Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211, abtztb@mail.mizzou.edu
31-16144EARLY LPS PATTERNS ALONG THE SWEETWATER ARCH- SHIRLEY MOUNTAIN SYSTEM OF THE LARAMIDE FORELAND: REGIONAL REFRACTION OF STRESS FIELD AND DEVELOPMENT OF MULTIPLE STRUCTURAL TRENDS: WEIL, Arlo Brandon1, YONKEE, Adolph2, SCHULTZ, Mary1, and LEE ZHI YI, Amelia1, (1) Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010, mschultz@brynmawr.edu, (2) Department of Geosciences, Weber State University, 2507 University Circle, Ogden, UT 84408

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