231 Tectonics III: UHP Terranes, Ribbon Continents, Appalachians, and Mid-Continent

Wednesday, 10 November 2004
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  FORMATION AND EXHUMATION OF THE WESTERN GNEISS REGION ULTRAHIGH-PRESSURE TERRANE: GEOCHRONOLOGY, STRUCTURAL GEOLOGY, AND PETROLOGY
  Bradley Hacker, Univ of California, Santa Barbara, CA and David Root, National Museum of Nat History, Smithsonian Institution, Washington, DC and Emily Walsh, Union College, Schenectady, NY and David Young, Univ of California, Santa Barbara, CA and Scott M. Johnston, Univ of California, Santa Barbara, CA and Torgeir Andersen, Univ of Oslo, Oslo, N/A and George Gehrels, Univ of Arizona, Tucson, AZ and James Mattinson, Univ of California, Santa Barbara, CA and Marty Grove, Univ. of California, Los Angeles, CA
  75698 (Technical Sessions)
• 1:45 PM
  U-TH/PB GEOCHRONOLOGY OF THE NORWEGIAN ULTRAHIGH-PRESSURE TERRANE
  Andrew Kylander-Clark, University of California, Santa Barbara, Santa Barbara, CA and Bradley R. Hacker, Univ of California, Santa Barbara, CA and Emily O. Walsh, UCSB, Santa Barbara, CA and Scott M. Johnston, Univ of California, Santa Barbara, Santa Barbara, CA and George Gehrels, Univ of Arizona, Tucson, AZ
  75731 (Technical Sessions)
• 2:00 PM
  PELITE THERMOBAROMETRY AND MONAZITE GEOCHRONOLOGY REVEAL PRE-ULTRAHIGH-PRESSURE OROGENY IN THE HORNELEN REGION, NORWAY
  Scott M. Johnston, Univ of California, Santa Barbara, Santa Barbara, CA and Bradley R. Hacker, Univ of California, Santa Barbara, CA and George Gehrels, Univ of Arizona, Tucson, AZ and Torgeir Andersen, Univ of Oslo, Oslo, N/A
  76076 (Technical Sessions)
• 2:15 PM
  THE AMPHIBOLITE–ECLOGITE–UHP TRANSITION IN WESTERN NORWAY AND IMPLICATIONS FOR EXHUMATION TECTONICS
  David J. Young, Univ of California, Santa Barbara, CA and Bradley Hacker, Univ of California, Santa Barbara, CA
  77706 (Technical Sessions)
• 2:30 PM
  RIBBON CONTINENTS: A MARGINAL AFFAIR OF CENTRAL IMPORTANCE
  A.M. Celâl Şengör, Istanbul Technical Univ, Istanbul and Boris A. Natal'in, Istanbul Technical Univ, Istanbul
  75040 (Technical Sessions)
• 2:45 PM
  MODERN RIBBON CONTINENTS IN THE MEDITERRANEAN AND SW PACIFIC: IMPLICATIONS FOR THEIR ORIGIN, LITHOSPHERIC GEOMETRY AND TECTONIC SIGNIFICANCE
  Stephen T. Johnston, Univ of Victoria, Victoria, BC and Stefano Mazzoli, Universita di Urbino, Urbino, N/A
  74641 (Technical Sessions)
• 3:00 PM
  AN EASTERN EXTENSION OF GONDWANA-DERIVED TERRANES AND THE VARISCAN OROGENY IN BULGARIA
  Charles W. Carrigan, Univ of Michigan, Ann Arbor, MI and Samuel B. Mukasa, Univ of Michigan, Ann Arbor, MI and Ivan Haydoutov, Bulgarian Academy of Sciences, Sofia, N/A and Kristina Kolcheva, Sofia Univ, Sofia, N/A
  75782 (Technical Sessions)
• 3:30 PM
  PROTEROZOIC EVOLUTION OF THE GREAT LAKES REGION (USA & CANADA) FROM A NEW PERSPECTIVE: AN EXAMPLE OF TECTONIC SWITCHING?
  D.A. Schneider, Ohio Univ, Athens, OH and D.K. Holm, Kent State Univ, Kent, OH
  76162 (Technical Sessions)
• 3:45 PM
  RE-EVALUATION OF PALEOPROTEROZOIC TECTONOTHERMAL EVENTS IN THE EASTERN PENOKEAN OROGEN, NORTHERN ONTARIO
  Patricia Piercey, Ohio Univ, Athens, OH and D.A. Schneider, Ohio Univ, Athens, OH and D.K. Holm, Kent State Univ, Kent, OH
  75909 (Technical Sessions)
• 4:00 PM
  THE APPALACHIAN INNER PIEDMONT: AN EXHUMED OROGENIC CHANNEL
  Robert D. Hatcher, Univ of Tennessee, Knoxville, TN and Arthur J. Merschat, Univ of Tennessee, Knoxville, TN
  79824 (Technical Sessions)
• 4:15 PM
  BREAK-BACK KINEMATIC DEFORMATION PLAN, BESSEMER TRANSVERSE ZONE, ALLEGHANIAN THRUST BELT IN ALABAMA
  Margaret C. Brewer, LaPorta and Associates, L.L. C., Geol Consultants, Warwick, NY and William A. Thomas, Univ of Kentucky, Lexington, KY
  80805 (Technical Sessions)
• 4:30 PM
  MULTIPLE DEFORMATION ASSOCIATED WITH TACONIC THRUST SHEETS IN THE GREAT VALLEY OF VIRGINIA
  Ian J. Duncan, Univ of Texas, Austin, TX and Elizabeth V. Campbell, Charlottesville, VA and Scott Williams, Charlottesville, VA
  80765 (Technical Sessions)
• 4:45 PM
  CRUSTAL CONSTITUENCY OF THE ALLEGHANIAN OROGEN AS REFLECTED BY RADIOMETRIC SEDIMENTARY PROVENANCE PROXIES
  Thomas Becker, Univ of Kentucky, Lexington, KY and William Thomas, Univ of Kentucky, Lexington, KY and George Gehrels, Univ of Arizona, Tucson, AZ and James L. Aronson, Dartmouth College, Hanover, NH
  78333 (Technical Sessions)
• 5:00 PM
  PALEOPROTEROZOIC KINEMATICS AND GEOCHRONOLOGY OF A CRYSTALLINE BASEMENT COMPLEX IN THE NOPAH RANGE, TECOPA PASS, CALIFORNIA
  B.J. Barley, Ohio Univ, Athens, OH and D.A. Schneider, Ohio Univ, Athens, OH and R.D. Nance, Ohio Univ, Athens, OH
  76161 (Technical Sessions)