2004 Denver Annual Meeting (November 7–10, 2004)
Session No. 104 Monday, November 8, 2004
1:30 PM-5:30 PM, Colorado Convention Center: 709/711

Structural Geology II: From Fractures to Shear Zones to Mantle Fabrics

Tim Wawrzyniec and Caroline E. Webber, Presiding
 Paper #Start Time
104-11:30 PM THE CONSTANCY OF STRESS FIELDS DURING FRACTURING INDICATED BY JOINT SET NORMAL VECTOR DISTRIBUTIONS: WHITAKER, Amy E., Geosciences, The Pennsylvania State Univ, University Park, PA 16802, amy@geosc.psu.edu and ENGELDER, Terry, Department of Geosciences, The Pennsylvania State Univ, University Park, PA 16802
104-21:45 PM THE ROLE OF RHEOLOGY IN THE EMPLACEMENT AND DEFORMATION OF SYNTECTONIC VEINS: CZECK, Dyanna M.1, DRUGUET, Elena2, and CARRERAS, Jordi2, (1) Geosciences, Univ of Wisconsin - Milwaukee, P.O. Box 413, Milwaukee, WI 53201, dyanna@uwm.edu, (2) Departament de Geologia, Universitat Autňnoma de Barcelona, 08193, Bellaterra (Barcelona), Spain
104-32:00 PM STRIKE-SLIP DUPLEXING AND ASSOCIATED FAULT “ROUGHENING”: AN EXAMPLE FROM THE AKSAI RESTRAINING STEPOVER ALONG THE ALTYN TAGH FAULT, NW CHINA: COWGILL, Eric1, GOLD, Ryan1, WANG, Xiao-feng2, and CHEN, Xuanhua2, (1) Dept. of Geology, Univ of California Davis, One Shields Ave, Davis, CA 95616, cowgill@geology.ucdavis.edu, (2) Institute of Geomechanics, Chinese Academy of Geol Sciences, Beijing, 10081, China
104-42:15 PM USING A MATHEMATICAL MODEL TO HELP EXPLAIN OBSERVED STRAIN PATTERNS WITHIN THE MOINE THRUST ZONE, NW SCOTLAND: STRINE, Matthew, Earth and Environmental Science, Univ of Rochester, Hutchinson Hall/Dept EES/Rm 227, Rochester, NY 14627, matty@earth.rochester.edu and MITRA, Gautam, Department of Earth and Environmental Sciences, Univ of Rochester, Rochester, NY 14627
104-52:30 PM OROCLINAL BENDING IN THE PENNSYLVANIA SALIENT: EVIDENCE FOR EARLY ROTATION FROM CALCITE TWINNING ANALYSIS: VAN DER PLUIJM, Ben A., Department of Geological Sciences, Univ of Michigan, 425 E University Ave, 2534 C.C. Little Building, Ann Arbor, MI 48109-1063, vdpluijm@umich.edu and ONG, Philip, Geological Sciences, Univ of Michigan, 2534 C.C. Little Building, Ann Arbor, MI 48109
104-62:45 PM THREE-DIMENSIONAL MODELING OF THE DEEPWATER NIGER DELTA USING CRITICAL TAPER WEDGE MECHANICS: GUZOFSKI, Chris A.1, SHAW, John H.1, and BILOTTI, Frank2, (1) Dept. of Earth and Planetary Sciences, Harvard Univ, 20 Oxford St, Cambridge, MA 02138, guzofski@fas.harvard.edu, (2) Unocal, 14141 SW Freeway, Sugar Land, TX 77478
104-73:00 PM 3D POST-ACCRETIONARY TECTONIC STRAIN IN THE ARABIAN-NUBIAN SHIELD: EXAMPLE FROM THE SUPERIMPOSITION OF THE OKO SHEAR ZONE ON THE NAKASIB SUTURE, RED SEA HILLS, SUDAN: MASON-BARTON, Katherine M., Department of Geosciences, The Univ of Texas at Dallas, 2601 N. Floyd Rd, P.O. Box 830688, Richardson, TX 75083-0688, kmb026000@utdallas.edu and ABDELSALAM, Mohamed G., Geoscience, Univ of Texas at Dallas, 2601 North Floyd Rd, PO Box 830688, Richardson, TX 75083-0688
104-83:15 PM 4-DIMENSIONAL MODEL OF DIACHRONOUS CHEVRON FOLDING IN AN ACCRETIONARY PRISM SETTING: PINAN, Arancha, Department of Earth Sciences, Boston Univ, 685 Commonwealth Ave, Boston, MA 01125, aranchap@bu.edu, DE PAOR, Declan, Department of Earth Sciences, Boston Univ, 685 Commonwealth Av, Boston, MA 02215, and SIMPSON, Carol, Department of Earth Sciences, Boston Univ, 685 Commonwealth Ave, Boston, MA 02215-1406
 3:30 PM Break
104-93:45 PM ANALYSIS OF SHORTENING IN AN ACTIVE DETACHMENT FOLD, NANKAI TROUGH—AN INTRODUCTION TO "THICKNESS-RELIEF ANALYSIS": GONZÁLEZ-MIERES, Ramón A., Department of Geosciences, Princeton Univ, Guyot Hall, Princeton, NJ 08544, ragonzal@princeton.edu and SUPPE, John, Department of Geosciences, Princeton Univ, Princeton, NJ 08544
104-104:00 PM KINEMATIC VORTICITY ANALYSIS RECONSIDERED: BAILEY, Christopher M., FORTE, Adam M., and POLVI, Lina, Dept. of Geology, College of William & Mary, Williamsburg, VA 23187, cmbail@wm.edu
104-114:15 PM A DOWN-PLUNGE SECTION OF A PALEOGENE STRIKE-SLIP SHEAR ZONE FROM LOW-GRADE PHYLLITE TO HIGH-GRADE GNEISS IN THE CHUGACH METAMORPHIC COMPLEX, SOUTHERN ALASKA: DAY, Erik1, PAVLIS, Terry2, and O'DRISCOLL, Leland2, (1) Dept. Geology and Geophysics, Univ of New Orleans, New Orleans, LA 70148, erikday75@hotmail.com, (2) Dept. of Geology and Geophysics, Univ of New Orleans, New Orleans, LA 70148
104-124:30 PM STRAIN IN MESO-SCALE DUCTILE SHEAR ZONES: EXAMPLES FROM THE NORTHWEST ADIRONDACKS, NEW YORK: BAIRD, Graham B., Department of Geology and Geophysics, Univ of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455, bair0042@umn.edu.
104-134:45 PM POLYPHASE DEFORMATION AND SHEAR ZONE REACTIVATION, CURNAMONA PROVINCE, AUSTRALIA: NOBLE, Matthew P., BETTS, Peter G., and GANNE, Jerome, School of Geosciences, Australian Crustal Research Centre, Monash Univ, PO BOX 28E, Wellington Road, Clayton, 3800, mnoble@earth.monash.edu.au
104-145:00 PM MULTIPLE GENERATIONS OF CROSS-CUTTING FABRICS IN NATURALLY-DEFORMED UPPER MANTLE ROCK, RED HILLS, NEW ZEALAND: WEBBER, Caroline E.1, TIKOFF, Basil1, and LITTLE, Timothy2, (1) Geology & Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton Street, Madison, WI 53706, cwebber@geology.wisc.edu, (2) School of Earth Sciences, Victoria Univ, P.O. Box 600, Wellington, 6000, New Zealand
104-155:15 PM MESOSCOPIC STRUCTURAL OBSERVATIONS OF LARGE SILL EMPLACEMENT MECHANISMS: THE FERRAR LARGE IGNEOUS PROVINCE, SOUTH VICTORIA LAND, ANTARCTICA: WHITTINGTON, Alan G., Geological Sciences, Univ of Missouri-Columbia, Columbia, MO 65211, whittingtona@missouri.edu, MARSHAK, Stephen, Dept of Geology, Univ of Illinois, 1301 W Green St, Urbana, IL 61801, and FLEMING, Thomas, Earth Sciences, Southern Connecticut State Univ, 501 Crescent Street, New Haven, CT 06515

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