Geological Society of America

8:00 AM

SEDIMENT-AVALANCHE DEPOSITS IN THE LATE EOCENE CHESAPEAKE BAY IMPACT STRUCTURE: EVIDENCE FROM THE ICDP-USGS EYREVILLE CORES, VIRGINIA, USA

Gregory S. Gohn, U.S. Geological Survey, Reston, VA and David S. Powars, U.S. Geological Survey, Reston, VA and Lucy E. Edwards, U.S. Geological Survey, Reston, VA and Colleen T. Durand, U.S. Geological Survey, Reston, VA and Ellen L. Seefelt, U.S. Geological Survey, Reston, VA

127134 (Technical Sessions)

8:15 AM

ABOVE THE AVALANCHES, BELOW THE WAVES: THE ICDP-USGS EYREVILLE CORES AND ADJACENT SEISMIC REFLECTION PROFILE WITHIN THE MOAT OF THE CHESAPEAKE BAY IMPACT STRUCTURE

David S. Powars, U.S. Geological Survey, Reston, VA and Lucy E. Edwards, U.S. Geological Survey, Reston, VA and Greg S. Gohn, U.S. Geological Survey, Reston, VA and Rufus D. Catchings, U.S. Geol Survey, Menlo Park, CA

129299 (Technical Sessions)

8:30 AM

SEDIMENTOLOGICAL COMPARISON OF THE EXMORE BRECCIA IN THE EYREVILLE AND LANGLEY CORES, CHESAPEAKE BAY IMPACT STRUCTURE: CLUES TO THE RESURGE PROCESS

Jens Ormö, Instituto Nacional de Técnica Aeroespacial, Madrid, N/A and Erik Sturkell, University of Gothenburg, Gothenburg, N/A and Greg S. Gohn, U.S. Geological Survey, Reston, VA and James Horton, U.S. Geol Survey, Reston, VA and David S. Powars, U.S. Geological Survey, Reston, VA and Lucy Edwards, U.S. Geological Survey, Reston, VA

128788 (Technical Sessions)

8:45 AM

NEW CONSTRAINTS FOR CRATERING PROCESSES INTO MARINE ENVIRONMENTS FROM THE ICDP-USGS EYREVILLE CORE B, CHESAPEAKE BAY IMPACT CRATER

Thomas Kenkmann, Humboldt-University Berlin, Berlin, N/A and Uwe Reimold, Humboldt-University Berlin, Berlin, N/A and Kai Wuennemann, Humboldt-University Berlin, Berlin, N/A and Gareth Collins, Dept. Earth Science and Eng., Imperial College, London

124812 (Technical Sessions)

9:00 AM

IMPACT-TO-POSTIMPACT PALEOENVIRONMENTAL TRANSITION IN THE CENTRAL BASIN OF THE CHESAPEAKE BAY IMPACT CRATER

C. Wylie Poag, US Geological Survey, Woods Hole, MA

125226 (Technical Sessions)

9:15 AM

X-RAY MINERALOGY OF THE EXMORE-CHICKAHOMINY BOUNDARY IN THE CHESAPEAKE BAY IMPACT STRUCTURE - EYREVILLE CORE

Ray E. Ferrell, Louisiana State University, Baton Rouge, LA and Henning Dypvik, University of Oslo, Oslo, N/A

128985 (Technical Sessions)

9:30 AM

LITHOSTRATIGRAPHIC SECTION OF THE ICDP-USGS EYREVILLE COREHOLES, CHESAPEAKE BAY IMPACT STRUCTURE: POSTIMPACT SEDIMENTS 444-0 M DEPTH

Lucy E. Edwards, U.S. Geological Survey, Reston, VA and David S. Powars, U.S. Geological Survey, Reston, VA and Bridget Wade, University College London Department of Earth Sciences, London and Jean M. Self-Trail, U.S. Geological Survey, Reston, VA and Andrew A. Kulpecz, Rutgers University, Piscataway, NJ and James V. Browning, Rutgers University, Piscataway, NJ and Kenneth G. Miller, Rutgers University, Piscataway, NJ and Peter McLaughlin, Newark, DE

127215 (Technical Sessions)

10:00 AM

SHORT TERM IMPACT EFFECTS: MODELING THE CHESAPEAKE BAY IMPACT STRUCTURE

Travis G. Hayden, Western Michigan University, Kalamazoo, MI and Michelle A. Kominz, Western Michigan Univeristy, Kalamazoo, MI and David S. Powars, U.S. Geol Survey, Reston, VA and Lucy E. Edwards, U.S. Geol Survey, Reston, VA and Kenneth G. Miller, Rutgers University, Piscataway, NJ and James V. Browning, Rutgers University, Piscataway, NJ and Andrew A. Kulpecz, Rutgers University, Piscataway, NJ

126748 (Technical Sessions)

10:15 AM

MICROPALEONTOLOGICAL EVIDENCE FOR MID-PLIOCENE WARMING FROM THE YORKTOWN FORMATION, VIRGINIA

Debra A. Willard, US Geological Survey, Reston, VA and Harry J. Dowsett, US Geological Survey, Reston, VA

128526 (Technical Sessions)

10:30 AM

THE 35.4 MA CHESAPEAKE BAY IMPACT: GLOBAL AND REGIONAL EFFECTS ON POST-IMPACT ENVIRONMENTS AND SEDIMENTATION

Kenneth G. Miller, Rutgers University, Piscataway, NJ and James D. Wright, Rutgers University, Piscataway, NJ and Travis G. Hayden, Western Michigan University, Kalamazoo, MI and Aimee E. Pusz, Rutgers University, Piscataway, NJ and Andrew A. Kulpecz, Rutgers University, Piscataway, NJ and James V. Browning, Rutgers University, Piscataway, NJ and Peter McLaughlin, Newark, DE and Michelle A. Kominz, Western Michigan University, Kalamazoo, MI and Lucy E. Edwards, US Geol Survey, Reston, VA and David S. Powars, US Geol Survey, Reston, VA

126693 (Technical Sessions)

10:45 AM

PALEOHYDROLOGY OF THE CHESAPEAKE BAY IMPACT STRUCTURE--EVIDENCE FROM THE ICDP-USGS EYREVILLE COREHOLE

Ward E. Sanford, U S Geological Survey, Reston, VA and Blair F. Jones, U S Geological Survey, Reston, VA and Tyler B. Coplen, U S Geological Survey, Reston, VA

126690 (Technical Sessions)

11:00 AM

INFLUENCE OF IMPACTS ON THE DEEP SUBSURFACE BIOSPHERE – PRELIMINARY RESULTS FROM THE ICDP-USGS CHESAPEAKE BAY IMPACT STRUCTURE DRILLING PROJECT

C.S. Cockell, Open University, Milton Keynes, N/A and James Horton, Reston, VA and Mary A. Voytek, US Geological Survey, Reston, VA and A.L. Gronstal, Open University, Milton Keynes, N/A and Julie Kirshtein, U S Geological Survey, Reston, VA and K. Finster, Dept of Microbial Ecology, Aarhus, N/A and Axel Schippers, Federal Institute for Geosciences and Nat Rscs, Hannover, N/A and Anna-Louise Reysenbach, Portland State Univ, Portland, OR and Gregory S. Gohn, U.S. Geological Survey, Reston, VA and Ward E. Sanford, U.S. Geological Survey, Reston, VA

130393 (Technical Sessions)

11:15 AM

BIOGEOCHEMICAL EVIDENCE FOR IN SITU MICROBIAL METABOLISM IN THE CHESAPEAKE BAY IMPACT STRUCTURE

Mary A. Voytek, USGS, Reston, VA and A. Amirbahman, Univ of Maine, Orono, ME and C.S. Cockell, Open University, Milton Keynes, N/A and E.J.P. Jones, US Geological Survey, Reston, VA and J.D. Kirshtein, U S Geological Survey, Reston, VA and T. Ohno, University of Maine, Orono, ME and W.E. Sanford, U.S. Geological Survey, Reston, VA

131527 (Technical Sessions)

11:30 AM

PRELIMINARY RESULTS OF GEOTHERMAL INVESTIGATIONS IN THE BOREHOLE EYREVILLE-B, CHESAPEAKE PENINSULA

Philipp Heidinger, Universitaet Karlsruhe, Karlsruhe, N/A and Helmut Wilhelm, Universitaet Karlsruhe, Karlsruhe, N/A and Yuri Popov, Moscow, N/A and Jan Safanda, Prague, N/A and Hans Burkhardt, TU Berlin, Berlin, N/A and Sibylle Mayr, TU Berlin, Berlin, N/A

124828 (Technical Sessions)

T199 The Chesapeake Bay Impact Structure: Results from the 2005–2006 ICDP-USGS Deep Drilling Project II

Presentations