Geological Society of America

1:35 PM

THE ICDP-USGS DEEP DRILLING PROJECT AT THE CHESAPEAKE BAY IMPACT STRUCTURE: AN OVERVIEW

Christian Koeberl, University of Vienna, Vienna, N/A and Wolf Uwe Reimold, Museum of Natural History, Berlin, N/A and Gregory Gohn, U.S. Geological Survey, Reston, VA and Kenneth Miller, Rutgers Universtiy, Piscataway, NJ

126285 (Technical Sessions)

1:50 PM

CHESAPEAKE BAY IMPACT: INTERNAL STRUCTURE AS REVEALED BY THE GRAVITY FIELD

Jeffrey Plescia, Johns Hopkins University, Laurel, MD and David Daniels, US Geological Survey, Reston, VA and Anjana Shah, Naval Research Laboratory, Washington, DC

129138 (Technical Sessions)

2:05 PM

HIGH-RESOLUTION SEISMIC REFLECTION IMAGES ACROSS THE 1.76-KM-DEEP EYREVILLE COREHOLE WITHIN THE MOAT OF THE CHESAPEAKE BAY IMPACT STRUCTURE

Rufus D. Catchings, U.S. Geological Survey, Menlo Park, CA and David S. Powars, U.S. Geological Survey, Reston, VA and Mark R. Goldman, U.S. Geological Survey, Menlo Park, CA and Greg S. Gohn, U.S. Geological Survey, Reston, VA and James Horton, U.S. Geological Survey, Reston, VA and Michael J. Rymer, U.S. Geological Survey, Menlo Park, CA and Gini Gandhok, U.S. Geological Survey, Menlo Park, CA and Lucy E. Edwards, U.S. Geological Survey, Reston, VA

131155 (Technical Sessions)

2:20 PM

PHYSICAL ROCK PROPERTIES OF THE BOREHOLE EYREVILLE — MEASUREMENTS AND PRELIMINARY INTERPRETATION

Sibylle I. Mayr, Technical University Berlin, Berlin, N/A and Hans Burkhardt, Technical University Berlin, Berlin, N/A and Yuri Popov, Russian State Geological Prospecting University, Moscow, N/A and Helmut Wilhelm, Universitaet Karlsruhe, Karlsruhe, N/A

126326 (Technical Sessions)

2:35 PM

INITIAL STUDIES OF BRECCIAS, BLOCKS, AND CRYSTALLINE ROCKS IN THE ICDP-USGS EYREVILLE-B CORE, CHESAPEAKE BAY IMPACT STRUCTURE, 1,095-1,766 M DEPTH

James Horton, U.S. Geological Survey, Reston, VA and John N. Aleinikoff, U.S. Geological Survey, Denver, CO and Michael J. Kunk, U.S. Geological Survey, Reston, VA and John C. Jackson, U.S. Geological Survey, Reston, VA and Harvey Belkin, U.S. Geol Survey, Reston, VA and I-Ming Chou, U.S. Geological Survey, Reston, VA

130189 (Technical Sessions)

2:50 PM

PRE-IMPACT TECTONOTHERMAL EVOLUTION OF THE CRYSTALLINE TARGET IN THE ICDP-USGS EYREVILLE-B CORE, CHESAPEAKE BAY IMPACT STRUCTURE

Roger L. Gibson, University of the Witwatersrand, Johannesburg, N/A and Gabrielle N. Townsend, University of the Witwatersrand, Johannesburg, N/A and James Horton, U.S. Geol Survey, Reston, VA and W. Uwe Reimold, Humboldt University, Berlin, N/A

128106 (Technical Sessions)

3:20 PM

DIKE BRECCIAS IN THE DEEP BASEMENT-DERIVED SECTION OF THE EYREVILLE B CORE, CHESAPEAKE BAY IMPACT STRUCTURE

Wolf Uwe Reimold, Humboldt University, Berlin, N/A and Thomas Kenkmann, Humboldt University, Berlin, N/A and Roger L. Gibson, University of the Witwatersrand, Johannesburg and Katerina Bartosova, University of Vienna, Vienna, N/A and Ralf-Thomas Schmitt, Humboldt University, Berlin, N/A and Lutz Hecht, Humboldt University, Berlin, N/A and Christian Koeberl, University of Vienna, Vienna, N/A and James Horton, Reston, VA

129789 (Technical Sessions)

3:35 PM

OCCURRENCE OF SHOCK-METAMORPHOSED QUARTZ AND FELDSPAR GRAINS IN THE EXMORE DIAMICTON AND SEDIMENT MEGABLOCKS, ICDP-USGS EYREVILLE CORES, CHESAPEAKE BAY IMPACT CRATER

Jared R. Morrow, San Diego State University, San Diego, CA and James Horton, Reston, VA

130907 (Technical Sessions)

3:50 PM

LITHOLOGICAL, PETROGRAPHICAL, AND GEOCHEMICAL INVESTIGATIONS OF SUEVITE FROM THE EYREVILLE CORE, CHESAPEAKE BAY IMPACT STRUCTURE

Katerina Bartosova, University of Vienna, Vienna, N/A and Ludovic Ferrière, University of Vienna, Vienna, N/A and Christian Koeberl, University of Vienna, Vienna and W.U. Reimold, Museum of Natural History, Berlin, N/A and Roger Gibson, University of the Witwatersrand, Johannesburg, N/A and Ralf-Thomas Schmitt, Museum of Natural History, Berlin, N/A

126045 (Technical Sessions)

4:05 PM

GEOCHEMICAL CHARACTERISTICS OF MELTED DOMAINS IN SUEVITES OF THE EYREVILLE DRILL CORE B; CHESAPEAKE BAY IMPACT STRUCTURE, USA

Sabine Luetke, Friedrich-Schiller-Universität Jena, Jena, N/A and Alex Deutsch, Universität Münster, Muenster, N/A and Falko Langenhorst, Friedrich-Schiller-Universität Jena, Jena, N/A

129898 (Technical Sessions)

4:20 PM

OBSERVATIONS AND ANALYSIS OF SHOCK METAMORPHISM, SUEVITE MELT BODIES, MICROSPHERULES, AND NI-CR SPINELS IN SELECTED SAMPLES FROM THE ICDP-USGS CHESAPEAKE BAY IMPACT STRUCTURE EYREVILLE CORES

Jennifer Glidewell, Auburn University, Auburn, AL and R. Scott Harris, Georgia State University, Atlanta, GA and David T. King, Auburn University, Auburn, AL and Lucille Petruny, Auburn University, Auburn, AL

128107 (Technical Sessions)

4:35 PM

GLASS VS. GLASS: BEDIASITES AND MELT LITHOLOGIES IN THE EYREVILLE DRILL CORE B; CHESAPEAKE BAY IMPACT STRUCTURE, USA

Kilian Pollok, Friedrich-Schiller-Universität, Jena, N/A and Alexander Deutsch, Universität Münster, Münster, N/A and Falko Langenhorst, Friedrich-Schiller-Univ, Jena, N/A and Sabine Luetke, Universität Münster, Muenster, N/A

130069 (Technical Sessions)

4:50 PM

CHARACTERIZATION OF THE CHESAPEAKE BAY IMPACTOR BY DETERMINATION OF THE PLATINUM GROUP ELEMENT PGE RATIOS IN THE IMPACTITE SAMPLES OF THE 2005-2006 ICDP-USGS DEEP DRILLING PROJECT CORES

Steven Goderis, Vrije Universiteit Brussel, Brussel, N/A and Frank Vanhaecke, Universiteit Gent, Ghent, N/A and Philippe Claeys, Vrije Universiteit Brussel, Brussel, N/A

125020 (Technical Sessions)

5:05 PM

HYDROTHERMAL ALTERATION WITHIN DEEP CRATER FILL MATERIAL, CHESAPEAKE BAY IMPACT STRUCTURE: A MINERAL AND FLUID INCLUSION STUDY

David A. Vanko, Towson University, Towson, MD and Daniel J. Benbow, Towson University, Towson, MD

128995 (Technical Sessions)

T167 The Chesapeake Bay Impact Structure: Results from the 2005–2006 ICDP-USGS Deep Drilling Project I

Presentations