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| 21-1 | 8:00 AM | BRECCIAS AND MELT ROCKS IN TERRESTRIAL IMPACT STRUCTURES: AN OVERVIEW OF OCCURRENCE, TYPES, COMPOSITION, FORMATION, AND USE: KOEBERL, Christian, Department of Geological Sciences, University of Vienna, Althanstrasse 14, A-1090, Vienna Austria, christian.koeberl@univie.ac.at |
| 21-2 | 8:20 AM | IMPACT BRECCIAS – A MANY-SPLENDORED THING: MORROW, Jared R.1, KING, David T. Jr2, PETRUNY, Lucille W.3, PINTO, Jesús A.4, and WARME, John E.4, (1) Geological Sciences, San Diego State University, 5500 Campanile Dr., 237 GMCS, San Diego, CA 92182, jmorrow@geology.sdsu.edu, (2) Geology, Auburn University, Dept Geology - 210 Petrie Hall, Auburn, AL 36849, (3) Astra Terra Research, Auburn, AL 36831-3323, (4) Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401 |
| 21-3 | 8:40 AM | SEDIMENTARY BRECCIAS AND THE RESURGE STAGE OF THE LOCKNE AND TVÄREN MARINE-TARGET IMPACT CRATERS (SWEDEN): ORMÖ, Jens, Centro de Astrobiología (INTA/CSIC), Instituto Nacional de Técnica Aeroespacial, Ctra de Torrejón a Ajalvir, km 4, 28850 Torrejón de Ardoz, Madrid, ormo@inta.es, STURKELL, Erik, Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland, Sturlugata 7, Reykjavík, 101, Iceland, and LINDSTRÖM, Maurits, Dept. of Geology and Geochemistry, Stockholm Univ, Stockholm, 10691, Sweden |
| 21-4 | 9:00 AM | FORMATION AND EMPLACEMENT OF IMPACT BRECCIAS IN CARBONATE TARGET ROCKS: EXAMPLES FROM SOUTHERN MISSOURI: EVANS, Kevin R., Geography, Geology, & Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, kevinevans@missouristate.edu, MILLER, James F., Geography, Geology, & Planning, Missouri State University, Springfield, MO 65897, MULVANY, Patrick S., Missouri Department of Natural Resources, Division of Geology and Land Survey, 111 Fairgrounds Rd, Rolla, MO 65401, and DAVIS, George H., Missouri Department of Transportation, 1617 Missouri Blvd, Jefferson City, MO 65102 |
| 21-5 | 9:15 AM | GEOLOGIC MAPPING OF THE WEAUBLEAU STRUCTURE, WEST-CENTRAL MISSOURI: COX, Melissa R.1, EVANS, Kevin R.2, PLYMATE, Thomas G.3, and MILLER, James1, (1) Dept. of Geography, Geology, and Planning, Missouri State University, 901 S. National, Springfield, MO 65897, Melissa2112@MissouriState.edu, (2) Geography, Geology, & Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, (3) Department of Geography, Geology, and Planning, Southwest Missouri State Univ, Springfield, MO 65804 |
| | 9:30 AM | Break |
| 21-6 | 9:45 AM | STRATIGRAPHY, AGE, NATURE AND ORIGIN OF THE KT BRECCIA FROM NORTH AMERICA TO ARGENTINA: ADATTE, Thierry, Geological Institute, Univ of Neuchatel, Rue Emile Argand, Neuchatel, CH 2007, Switzerland, thierry.adatte@unine.ch and KELLER, Gerta, Geosciences, Princeton Univ, Guyot Hall, Princeton, NJ 08544 |
| 21-7 | 10:00 AM | DISCOVERY OF THE SUDBURY IMPACT LAYER IN MICHIGAN AND ITS POTENTIAL SIGNIFICANCE: CANNON, William F., U.S. Geological Survey, Reston, VA 20192, wcannon@usgs.gov, HORTON, J. Wright Jr, U.S. Geol Survey, 926A National Center, Reston, VA 20192, and KRING, David A., Lunar and Planetary Institute, 3600 Bay Area Blvd, Houston, TX 77058 |
| 21-8 | 10:15 AM | PALEOMAGNETISM OF THE ALAMO BRECCIA, NEVADA: DENNIE, Devin P.1, DULIN, Shannon1, ELMORE, R. Douglas1, and WARME, John E.2, (1) School of Geology and Geophysics, University of Oklahoma, 100 E. Boyd. St, Norman, OK 73019, ddennie@ou.edu, (2) Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401 |
| 21-9 | 10:30 AM | HYDROTHERMAL ALTERATION OF BRECCIAS AT THE CENTRAL UPLIFT, CHESAPEAKE BAY IMPACT STRUCTURE: HORTON, J. Wright Jr1, VANKO, David A.2, NAESER, Charles W.1, NAESER, Nancy D.1, LARSEN, Daniel3, JACKSON, John C.4, and BELKIN, Harvey E.5, (1) U.S. Geological Survey, 926A National Center, Reston, VA 20192, whorton@usgs.gov, (2) Department of Physics, Astronomy, and Geosciences, Towson University, Towson, MD 21252, (3) Department of Earth Sciences, University of Memphis, 402 Smith Bldg, Memphis, TN 38152, (4) U.S. Geological Survey, 954 National Center, Reston, VA 20192, (5) U.S. Geological Survey, 956 National Center, Reston, VA 20192 |
| 21-10 | 10:45 AM | RAMAN SPECTROSCOPIC STUDY OF SHOCK-METAMORPHOSED ROCK FRAGMENTS RECOVERED FROM THE AUSTRALASIAN MICROTEKTITE LAYER: GLASS, Billy P., Geology Department, Univ of Delware, Newark, DE 19716, BGLASS@UDEL.EDU and FRIES, Marc, Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd. NW, Washington, DC 20015 |
| 21-11 | 11:00 AM | TERRESTRIAL IMPACT BRECCIAS: SEDIMENTOLOGY AND STRATIGRAPHY: KING, David T. Jr, Geology, Auburn University, Dept Geology - 210 Petrie Hall, Auburn, AL 36849, kingdat@auburn.edu and PETRUNY, Lucille W., Astra-Terra Rsch, Auburn, AL 36831-3323 |
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