T234 Impact Cratering from the Microscopic to the Planetary Scale II

Wednesday, 21 October 2009
8:00 AM - 12:00 PM
A106

Presentations

• 8:10 AM
  EXTRATERRESTRIAL AND TERRESTRIAL SIGNATURES AT THE ONSET OF THE YOUNGER DRYAS
  Nicholas Pinter, Southern Illinois Univ, Carbondale, IL and Andrew Podoll, Southern Illinois University Carbondale, Carbondale, IL and Andrew C. Scott, Royal Holloway University of London, Egham, N/A and Denton Ebel, American Museum of Natural History, New York, NY
  162563 (Technical Sessions)
• 8:30 AM
  GEOARCHAEOLOGY OF THE 12.9ka IMPACT HYPOTHESIS
  Vance T. Holliday, University of Arizona, Tucson, AZ and David J. Meltzer, Southern Methodist University, Dallas, TX
  160959 (Technical Sessions)
• 8:45 AM
  NO EVIDENCE OF EXTRATERRESTRIAL GEOCHEMICAL COMPONENTS AT THE BøLLING-ALLERøD/YOUNGER DRYAS TRANSITION
  Francois Paquay, University of Hawaii, Honolulu, HI and Steven Goderis, Vrije Universiteit Brussel, Brussel, N/A and Greg Ravizza, University of Hawaii, Honolulu, HI and Philippe Claeys, Vrije Universiteit Brussel, Brussels
  163154 (Technical Sessions)
• 9:00 AM
  NON-REPRODUCIBILITY OF YOUNGER DRYAS EXTRATERRESTRIAL IMPACT RESULTS
  Todd A. Surovell, University of Wyoming, Laramie, WY and Vance T. Holliday, The University of Arizona, Tucson, AZ
  163912 (Technical Sessions)
• 9:15 AM
  FOUR ARGUMENTS WHY THE CHICXULUB IMPACT HAS CAUSED THE CRETACEOUS-PALEOGENE MASS-EXTINCTIONS
  Jan Smit, VU University, Amsterdam, N/A
  163589 (Technical Sessions)
• 9:50 AM
  PROSPECTING FOR EVIDENCE OF IMPACT EVENTS IN THE MARINE SEDIMENT RECORD: HOW AND WHY
  Greg Ravizza, University of Hawaii, Honolulu, HI and Francois Paquay, University of Hawaii, Honolulu, HI
  161092 (Technical Sessions)
• 10:10 AM
  THE CHESAPEAKE BAY IMPACT STRUCTURE: MIOCENE EFFECTS OF THE EOCENE IMPACT
  Lucy E. Edwards, U.S. Geological Survey, Reston, VA and David S. Powars, U.S. Geological Survey, Reston, VA and Jean M. Self-trail, U.S. Geological Survey, Reston, VA
  163720 (Technical Sessions)
• 10:25 AM
  INSIGHTS INTO IMPACT PROCESSES AND BASEMENT ROCKS OF THE CHESAPEAKE BAY IMPACT STRUCTURE FROM THE ICDP-USGS EYREVILLE CORES
  James Horton, U.S. Geological Survey, Reston, VA and Katerina Bartosova, University of Vienna, Vienna, N/A and Lucy E. Edwards, U.S. Geological Survey, Reston, VA and Roger L. Gibson, University of the Witwatersrand, Johannesburg and Gregory S. Gohn, U.S. Geological Survey, Reston, VA and Christian Koeberl, University of Vienna, Vienna, N/A and David S. Powars, U.S. Geological Survey, Reston, VA and Wolf Uwe Reimold, Leibniz Institute at Humboldt University Berlin, Berlin, N/A and Axel Wittmann, USRA, Houston, TX
  162483 (Technical Sessions)
• 10:40 AM
  SEISMIC AND BOREHOLE EVIDENCE FOR NUMEROUS IMPACT, TECTONIC, AND COMPACTION FAULTS ACROSS THE SOUTHERN HALF OF THE SALISBURY EMBAYMENT, VIRGINIA AND MARYLAND
  David S. Powars, U.S. Geological Survey, Reston, VA and James Horton, U.S. Geological Survey, Reston, VA and Lucy E. Edwards, U.S. Geological Survey, Reston, VA and Rufus D. Catchings, U.S. Geological Survey, Menlo Park, CA
  163768 (Technical Sessions)
• 10:55 AM
  40Ar39AR DATING RESULTS FROM THE ICDP-USGS EYREVILLE B CORE: CONSTRAINTS ON THE THERMAL HISTORY OF THE CHESAPEAKE BAY IMPACT STRUCTURE
  Michael J. Kunk, U.S. Geological Survey, Reston, VA and James Horton, U.S. Geological Survey, Reston, VA and Ryan J. McAleer, Indiana Department of Geological Sciences, Bloomington, IN
  165643 (Technical Sessions)
• 11:10 AM
  THE CRETACEOUS-PALEOGENE (K-PG) BOUNDARY SECTION AT SHELL CREEK, ALABAMA: ARGUMENTS FOR A PRIMARY IMPACT ORIGIN OF THE CALCITE SPHERULES
  Alexander Deutsch, Universität Münster, Münster, N/A and Falko Langenhorst, Universität Bayreuth, Bayreuth, N/A and Peter Schulte, Universität Erlangen, Erlangen, N/A
  163755 (Technical Sessions)