T207 Impact Cratering from the Microscopic to the Planetary Scale I

Tuesday, 20 October 2009
1:30 PM - 5:30 PM
A106

Presentations

• 1:40 PM
  PETROGRAPHY AND CHEMISTRY OF PSEUDO-TACHYLITIC BRECCIAS FROM LARGE IMPACT STRUCTURES
  Wolf Uwe Reimold, Museum für Naturkunde - Leibniz-Institute at Humboldt University Berlin, Berlin, N/A and Tanja Mohr-Westheide, Museum für Naturkunde - Leibniz-Institute at Humboldt University Berlin, Berlin, N/A and Claudia Crasselt, Museum für naturkunde - Leibniz-Institute at Humboldt University Berlin, Berlin, N/A and Cristiano Lana, Stellenbosch Universiteit, Matieland, N/A and Christian Koeberl, University of Vienna, Vienna, N/A
  162684 (Technical Sessions)
• 2:00 PM
  SEISMIC DEFORMATION OF PALEOPROTEROZOIC AND ARCHEAN ROCKS IN NORTHERN MICHIGAN CAUSED BY THE 1850 MA SUDBURY IMPACT
  William Cannon, Geology, Energy, and Minerals Science Center, Reston, VA and Klaus J. Schulz, Reston, VA and Marcia G. Bjornerud, Lawrence University, Appleton, WI
  161541 (Technical Sessions)
• 2:15 PM
  MONTEVILLE SPHERULE LAYER (NEOARCHEAN, TRANSVAAL SUPERGROUP, SOUTH AFRICA) LOOKS FAMILIAR IN THREE NEW CORES THAT TRIPLE ITS AREAL EXTENT
  Bruce M. Simonson, Oberlin College, Oberlin, OH and Nicolas J. Beukes, University of Johannesburg, Auckland Park, N/A and Sandra Biller, Oberlin College, Oberlin, OH
  161745 (Technical Sessions)
• 2:30 PM
  DISCOVERY OF A NEW SPHERULE LAYER IN THE HAMERSLEY BASIN (WESTERN AUSTRALIA) REPRESENTING A FOURTH ASTEROID IMPACT NEAR THE ARCHEAN/PROTEROZOIC BOUNDARY
  Scott W. Hassler, John F. Kennedy University/Oberlin College, Pleasant Hill, CA and Bruce M. Simonson, Oberlin College, Oberlin, OH and Dawn Y. Sumner, University of California-Davis, Davis, CA
  162874 (Technical Sessions)
• 2:45 PM
  DIAGENESIS OF THE 3.24 GA SPHERULES IN THE BARBERTON GREENSTONE BELT, SOUTH AFRICA
  Alexandra Davatzes, Temple University, Philadelphia, PA and Donald R. Lowe, Stanford University, Stanford, CA and Gary R. Byerly, Louisiana State University, Baton Rouge, LA
  164950 (Technical Sessions)
• 3:00 PM
  GROWTH OF PELLETS AND ACCRETIONARY LAPILLI DURING THE EMPLACEMENT OF VOLCANIC AND METEORITE IMPACT EJECTA BLANKETS BY CATASTROPHIC DENSITY CURRENTS
  Richard J. Brown, Open University, MIlton Keynes, N/A and Michael J. Branney, University of Leicester, Leicester
  163381 (Technical Sessions)
• 3:30 PM
  EVOLUTION OF THE ALAMO IMPACT EVENT: FROM FIVE SECONDS TO FIVE MINUTES
  John E. Warme, Colorado School of Mines, Golden, CO and Jared Morrow, San Diego State University, San Diego, CA and Jesus A. Pinto, INTEVEP-PDVSA, Los Teques, N/A
  166313 (Technical Sessions)
• 3:45 PM
  CALIFORNIA OR BUST: RECOGNITION AND SIGNIFICANCE OF LATE DEVONIAN ALAMO IMPACT DEPOSIT NEAR DEATH VALLEY
  Jared Morrow, San Diego State University, San Diego, CA and Charles A. Sandberg, U.S. Geol. Survey, Denver, CO
  161385 (Technical Sessions)
• 4:00 PM
  MAPPING THE POST-IMPACT SURFACE OF THE LATE DEVONIAN ALAMO EVENT, NEVADA
  Leif Tapanila, Idaho State University, Pocatello, ID and Carrie Thomason, Idaho State University, Pocatello, ID and Julia Anderson, Minnesota Geological Survey, St. Paul, MN
  164637 (Technical Sessions)
• 4:15 PM
  SHATTER CONES CONFIRM THE VISTA ALEGRE METEORITE IMPACT STRUCTURE IN THE PARANA FLOOD BASALT PROVINCE, SOUTHERN BRAZIL
  Alvaro P. Crosta, University of Campinas, Campinas, N/A and Christian Koeberl, University of Vienna, Vienna, N/A and Dona Jalufka, University of Vienna, Vienna, N/A
  160954 (Technical Sessions)
• 4:30 PM
  THE 2009 ICDP DRILLING PRJECT INTO THE EL'GYGYGTGYN IMPACT CRATER, SIBERIA
  Christian Koeberl, University of Vienna, Vienna, N/A and Julie Brigham-Grette, University of Massachusetts Amherst, Amherst, MA and Martin Melles, University of Cologne, Cologne, N/A and Pavel Minyuk, RAS, Magadan, N/A
  160723 (Technical Sessions)
• 4:45 PM
  THE RITLAND IMPACT STRUCTURE OF WESTERN NORWAY
  Henning Dypvik, University of Oslo, Oslo, N/A and Fridtjof Riis, The Norwegian Petroleum Directorate, Stavanger, N/A and Odd Nilsen, University of Oslo, Oslo, N/A and Svein Olav Krøgli, University of Oslo, Oslo, N/A
  159735 (Technical Sessions)
• 5:00 PM
  IMPACT ORIGIN OF TABUN KHARA OBO CRATER, MONGOLIA, CONFIRMED BY DRILL CORE STUDIES
  Tsolmon Amgaa, University of Vienna, Vienna, N/A and Christian Koeberl, University of Vienna, Vienna, N/A
  165663 (Technical Sessions)