208 Structural Geology II: Pseudotachylytes, Shear Zones, and Vorticity

Wednesday, 19 October 2005
8:00 AM - 12:00 PM

Presentations

• 8:00 AM
  RETROGRADED ECLOGITE-FACIES PSEUDOTACHYLITES AS DEEP-CRUSTAL PALEOSEISMIC FAULTS WITHIN CONTINENTAL BASEMENT OF LOFOTEN, NORTH NORWAY
  Gabe Kassos, Auburn Univ, Auburn, AL and Mark G. Steltenpohl, Auburn Univ, Auburn, AL and George Garner, Auburn Univ, Auburn, AL and Arild Andresen, Univ of Oslo, Oslo, N/A
  90839 (Technical Sessions)
• 8:15 AM
  PALEOMAGNETIC ASSESSMENT OF PSEUDOTACHYLITES IN THE CHIAPAS MASSIF, MEXICO
  Roberto Stanley Molina, Universidad Nacional Autónoma de México, Querétaro, N/A and John W. Geissman, University of New Mesico, Albuquerque, NM and Weber Bodo, CICESE, Ensenada, N/A and Tim F. Wawrzyniec, The University of New Mexico, Albuquerque, NM and Scott Muggleton, Univ of New Mexico, Albuquerque, NM
  94299 (Technical Sessions)
• 8:30 AM
  GEOCHEMISTRY AND GEOCHRONOLOGY OF PSEUDOTACHYLYTES OF THE ALPINE FAULT, NEW ZEALAND
  Sara N. Tourscher, University of Michigan, Ann Arbor, MI and Ben A. van der Pluijm, University of Michigan, Ann Arbor, MI and Laurence N. Warr, University of Greifswald, Greifswald
  94120 (Technical Sessions)
• 8:45 AM
  GRIZZLY CREEK SHEAR ZONE: A NEWLY RECOGNIZED FRICTIONAL–PLASTIC DEFORMATION SYSTEM IN THE WHITE RIVER UPLIFT, COLORADO
  Joseph L. Allen, Concord University, Athens, WV and Colin A. Shaw, Univ. Wisconsin, Eau Claire, Eau Claire, WI and Felicity E. Ferri, Concord University, Athens, WV and Megan E. Ganak, Concord University, Athens, WV and Abbey S. Graves, Univ. Wisconsin, Eau Claire, Eau Claire, WI and Anthony G. Johnson, Concord University, Athens, WV and Shawn J. Lyman, Univ. Wisconsin, Eau Claire, Eau Claire, WI and Jessica L. Ofsa, Concord University, Athens, WV
  94554 (Technical Sessions)
• 9:00 AM
  APPRESSED ASYMMETRIC FOLDS AND ASSOCIATED BOOKSHELF GLIDING IN A SOUTH INDIAN SHEAR ZONE
  Tapas Bhattacharyya, Florida State University, Tallahassee, FL and Mohan Chand Baral, Jogamaya Devi College, Kolkata, N/A
  94432 (Technical Sessions)
• 9:15 AM
  HIGH-CL AQUEOUS FLUID INFILTRATION AND STRAIN LOCALIZATION IN A GARNET AMPHIBOLITE FROM THE SEVE NAPPE IN THE NORTHERN SWEDISH CALEDONIDES
  Graham B. Baird, Univ of Minnesota, Minneapolis, MN and Prajukti Bhattacharyya, University of Wisconsin - Whitewater, Whitewater, WI and Donna L. Whitney, Univ of Minnesota, Minneapolis, MN and Peter J. Hudleston, Univ Minnesota, Minneapolis, MN
  96567 (Technical Sessions)
• 9:30 AM
  CAUSES OF SHEAR LOCALIZATION AND SHEAR ZONE GEOMETRY IN PRECAMBRIAN GRANITIC ROCKS
  Prajukti Bhattacharyya, University of Wisconsin - Whitewater, Whitewater, WI and Dyanna M. Czeck, Univ of Wisconsin-Milwaukee, Milwaukee, WI
  91351 (Technical Sessions)
• 9:45 AM
  TESTING THE UTILITY OF THE PORPHYROCLAST HYPERBOLIC DISTRIBUTION METHOD OF KINEMATIC VORTICITY ANALYSIS
  Adam M. Forte, University of California Davis, Davis, CA and Christopher M. Bailey, College of William and Mary, Williamsburg, VA
  91721 (Technical Sessions)
• 10:00 AM
  RF/φ ANALYSIS OF MYLONITIC ROCKS IN THE COUGAR CREEK COMPLEX, OREGON – IDAHO, AND POTENTIAL USE OF SC'-TYPE EXTENSIONAL SHEARBANDS AS QUANTITATIVE VORTICITY INDICATORS
  Gene Kurz, Boise State University, Boise, ID and C.J. Northrup, N/A
  96095 (Technical Sessions)
• 10:15 AM
  VORTICITY ANALYSIS OF THE WESTERN IDAHO SHEAR ZONE
  Laura Dair, SUNY-Geneseo, Geneseo, NY and Scott Giorgis, SUNY Geneseo, Geneseo, NY
  90940 (Technical Sessions)