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2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 167
Tuesday, 30 October 2007: 1:30 PM-5:30 PM

T105. The Chesapeake Bay Impact Structure: Results from the 2005–2006 ICDP-USGS Deep Drilling Project I

GSA Planetary Geology Division; GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Sedimentary Geology Division; GSA Hydrogeology Division; International Continental Scientific Drilling Program (ICDP)

 

Chris Koeberl and Wolf Uwe Reimold, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
THE ICDP-USGS DEEP DRILLING PROJECT AT THE CHESAPEAKE BAY IMPACT STRUCTURE: AN OVERVIEW
KOEBERL, Christian, Center for Earth Sciences, University of Vienna, Vienna, Austria, REIMOLD, Wolf Uwe, Mineralogy, Museum of Natural History, Humboldt University, Invalidenstrasse 43, Berlin, D-10115, Germany, GOHN, Gregory, U.S. Geological Survey, 926A National Center, Reston, VA 20192 and MILLER, Kenneth, Geological Sciences, Rutgers Universtiy, Piscataway, NJ 08534, christian.koeberl@univie.ac.at, christian.koeberl@univie.ac.at
2
1:50 PM
CHESAPEAKE BAY IMPACT: INTERNAL STRUCTURE AS REVEALED BY THE GRAVITY FIELD
PLESCIA, Jeffrey, Applied Physics Laboratory, Johns Hopkins University, 11100 Johns Hopkins Drive, Laurel, MD 20723-6099, DANIELS, David, US Geological Survey, 12201 Sunrise Valley Drive, MS 954 National Center, Reston, VA 20192 and SHAH, Anjana, Naval Research Laboratory, Washington, DC 20375, jeffrey.plescia@jhuapl.edu, jeffrey.plescia@jhuapl.edu
3
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
CATCHINGS, Rufus D.1, POWARS, David S.2, GOLDMAN, Mark R.3, GOHN, Greg S.2, HORTON, J. Wright2, RYMER, Michael J.3, GANDHOK, Gini3 and EDWARDS, Lucy E.2, (1)Earthquake Science Center, U.S. Geological Survey, 345 Middlefield Rd. MS 977, Menlo Park, CA 94025, (2)U.S. Geological Survey, 926A National Center, Reston, VA 20192, (3)U.S. Geological Survey, 345 Middlefield Rd. MS 977, Menlo Park, CA 94025, catching@usgs.gov, catching@usgs.gov
4
2:20 PM
PHYSICAL ROCK PROPERTIES OF THE BOREHOLE EYREVILLE — MEASUREMENTS AND PRELIMINARY INTERPRETATION
MAYR, Sibylle I.1, BURKHARDT, Hans1, POPOV, Yuri2 and WILHELM, Helmut3, (1)Department of Applied Geosciences, Technical University Berlin, Sekr. ACK 2, Ackerstraße 71-76, Berlin, 13355, Germany, (2)Technical physics and rocks physics, Russian State Geological Prospecting University, Miklukho-Maklai str., 23, Moscow, 117997, Russia, (3)Geophysikalisches Institut, Universitaet Karlsruhe, Hertzstrasse 16, 76187 Karlsruhe, Karlsruhe, 76187, Germany, s.mayr@tu-berlin.de, s.mayr@tu-berlin.de
5
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
HORTON, J. Wright1, ALEINIKOFF, John N.2, KUNK, Michael J.1, JACKSON, John C.3, BELKIN, Harvey4 and CHOU, I-Ming3, (1)U.S. Geological Survey, 926A National Center, Reston, VA 20192, (2)U.S. Geological Survey, MS 963, DFC, Denver, CO 80225, (3)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (4)U.S. Geol Survey, 956 National Center, Reston, VA 20192, whorton@usgs.gov, whorton@usgs.gov
6
2:50 PM
PRE-IMPACT TECTONOTHERMAL EVOLUTION OF THE CRYSTALLINE TARGET IN THE ICDP-USGS EYREVILLE-B CORE, CHESAPEAKE BAY IMPACT STRUCTURE
GIBSON, Roger L.1, TOWNSEND, Gabrielle N.1, HORTON, J. Wright2 and REIMOLD, W. Uwe3, (1)School of Geosciences, University of the Witwatersrand, Private Bag 3, PO Wits, Johannesburg, 2050, South Africa, (2)U.S. Geol Survey, 926A National Center, Reston, VA 20192, (3)Museum of Natural History, Humboldt University, Invalidenstrasse 43, Berlin, D-10115, Germany, roger.gibson@wits.ac.za, roger.gibson@wits.ac.za
 
3:05 PM
Break
7
3:20 PM
DIKE BRECCIAS IN THE DEEP BASEMENT-DERIVED SECTION OF THE EYREVILLE B CORE, CHESAPEAKE BAY IMPACT STRUCTURE
REIMOLD, Wolf Uwe1, KENKMANN, Thomas2, GIBSON, Roger L.3, BARTOSOVA, Katerina4, SCHMITT, Ralf-Thomas2, HECHT, Lutz2, KOEBERL, Christian5 and HORTON, J. Wright6, (1)Museum for Natural History, Humboldt University, Invalidenstrass 43, Berlin, 10115, Germany, (2)Museum for Natural History, Humboldt University, Invalidenstrasse 43, Berlin, 10115, Germany, (3)School of Geosciences, University of the Witwatersrand, PO WITS, Johannesburg, 2050, South Africa, (4)Center for Earth Sciences, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, (5)Center for Earth Sciences, University of Vienna, Vienna, 1090, Austria, (6)U.S. Geological Survey, 926A National Center, Reston, VA 20192, uwe.reimold@museum.hu-berlin.de, uwe.reimold@museum.hu-berlin.de
8
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
MORROW, Jared R., Geological Sciences, San Diego State University, 5500 Campanile Dr., 237 GMCS, San Diego, CA 92182 and HORTON, J. Wright, U.S. Geological Survey, 926A National Center, Reston, VA 20192, jmorrow@geology.sdsu.edu, jmorrow@geology.sdsu.edu
9
3:50 PM
LITHOLOGICAL, PETROGRAPHICAL, AND GEOCHEMICAL INVESTIGATIONS OF SUEVITE FROM THE EYREVILLE CORE, CHESAPEAKE BAY IMPACT STRUCTURE
BARTOSOVA, Katerina1, FERRIÈRE, Ludovic2, KOEBERL, Christian3, REIMOLD, W.U.4, GIBSON, Roger5 and SCHMITT, Ralf-Thomas4, (1)Center for Earth Sciences, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, (2)Department of Geological Sciences, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, (3)Department of Geological Sciences, University of Vienna, Vienna, Austria, (4)Mineralogy, Museum of Natural History, Humboldt University, Invalidenstrasse 43, Berlin, D-10115, Germany, (5)School of Geosciences, University of the Witwatersrand, P.O. Wits, Johannesburg, 2050, South Africa, katerina.stetinova@univie.ac.at, katerina.stetinova@univie.ac.at
10
4:05 PM
GEOCHEMICAL CHARACTERISTICS OF MELTED DOMAINS IN SUEVITES OF THE EYREVILLE DRILL CORE B; CHESAPEAKE BAY IMPACT STRUCTURE, USA
LUETKE, Sabine1, DEUTSCH, Alex2 and LANGENHORST, Falko1, (1)Institut f. Geowissenschaften, Friedrich-Schiller-Universität Jena, Burgweg 11, Jena, D-07749 Jena, Germany, (2)Institut f. Planetologie, Universität Münster, Wilhelm-Klemm-Str. 10, Muenster, D-48149, Germany, luetke.s@uni-muenster.de, luetke.s@uni-muenster.de
11
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
GLIDEWELL, Jennifer1, HARRIS, R. Scott2, KING Jr, David T.1 and PETRUNY, Lucille3, (1)Dept. Geology, Auburn University, Auburn, AL 36849, (2)Department of Geosciences, Georgia State University, Atlanta, GA 30302, (3)Geology Office, Auburn University, Auburn, AL 36849, glideje@auburn.edu, glideje@auburn.edu
12
4:35 PM
GLASS VS. GLASS: BEDIASITES AND MELT LITHOLOGIES IN THE EYREVILLE DRILL CORE B; CHESAPEAKE BAY IMPACT STRUCTURE, USA
POLLOK, Kilian, Institut f. Geowissenschaften, Friedrich-Schiller-Universität, Burgweg 11, Jena, D-07749, Germany, DEUTSCH, Alexander, Institut für Planetologie, Universität Münster, Münster, D-48149, Germany, LANGENHORST, Falko, Institut f. Geowissenschaften, Friedrich-Schiller-Univ, Jena, D-07749, Germany and LUETKE, Sabine, Institut f. Planetologie, Universität Münster, Muenster, D-48149, Germany, deutsca@uni-muenster.de, deutsca@uni-muenster.de
13
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
GODERIS, Steven1, VANHAECKE, Frank2 and CLAEYS, Philippe1, (1)Department of Geology, Vrije Universiteit Brussel, Pleinlaan 2, Brussel, B-1050, Belgium, (2)Dept. of Analytical Chemistry, Universiteit Gent, Krijgslaan 281 - S12, Ghent, B-9000, Belgium, Steven.Goderis@vub.ac.be, Steven.Goderis@vub.ac.be
14
5:05 PM
HYDROTHERMAL ALTERATION WITHIN DEEP CRATER FILL MATERIAL, CHESAPEAKE BAY IMPACT STRUCTURE: A MINERAL AND FLUID INCLUSION STUDY
VANKO, David A. and BENBOW, Daniel J., Department of Physics, Astronomy, and Geosciences, Towson University, Towson, MD 21252, dvanko@towson.edu, dvanko@towson.edu
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