2004 Denver Annual Meeting (November 7–10, 2004)

KOEBERL, Christian, Department of Geological Sciences, Univ of Vienna, Althanstrasse 14, A-1090, Vienna, Austria, christian.koeberl@univie.ac.at, christian.koeberl@univie.ac.at

POPE, Kevin O., Geo Eco Arc Rsch, 16305 St. Mary's Church Road, Aquasco, MD 20608, kpope@starband.net, kpope@starband.net

PIERAZZO, Elisabetta, Planetary Science Institute, 1700 E. Fort Lowell Rd., Suite 106, Tucson, AZ 85719 and WUENNEMANN, Kai, Lunar & Planetary Laboratory, Univ of Arizona, Space Science Bldg #92, 1629 E. University Blvd, Tucson, AZ 85721-0092, betty@psi.edu, betty@psi.edu

ORMÖ, Jens¹, DOHM, James M.², FERRIS, Justin C.³, LEPINETTE, Alain¹ and FAIRÉN, Alberto G.⁴, (1)Centro de Astrobiología (INTA/CSIC), Instituto Nacional de Técnica Aeroespacial, Ctra de Torrejón a Ajalvir, km 4, Torrejón de Ardoz, Madrid, 28850, Spain, (2)Dept. of Hydrology and Water Resources, Univ. of Arizona, BOX 210011, Tucson, AZ 80225-0046, (3)U.S. Geological Survey, Denver, CO 80225, (4)Centro de Biología Molecular, CSIC-Universidad Autónoma de Madrid, Cantoblanco, Madrid, 28049, ormo@inta.es, ormo@inta.es

GORNEY, David L.¹, GULICK, Sean P.S.² and CHRISTESON, Gail L.², (1)Institute for Geophysics - Jackson School of Geosciences, Univ of Texas at Austin, 4412 Spicewood Springs Rd, Bldg. 600, Austin, TX 78759, (2)Institute for Geophysics, Univ of Texas at Austin, 4412 Spicewood Springs Rd, Bldg. 600, Austin, TX 78759, gorneydl@mail.utexas.edu, gorneydl@mail.utexas.edu

KENKMANN, Thomas¹, IVANOV, Boris A.², WITTMANN, Axel¹ and STOEFFLER, Dieter³, (1)Institute of Mineralogy, Humboldt-Univ Berlin, Invalidenstrasse 43, Berlin, 10115, Germany, (2)Institute for Geodynamics and Geospheres, Russian Academy of Sci, Moskow, 117939, (3)Institute of Mineralogy, Humboldt-Univ Berlin, Invalidenstrasse 43, Berlin, 10115, thomas.kenkmann@rz.hu-berlin.de, thomas.kenkmann@rz.hu-berlin.de

KIYOKAWA, Shoichi¹, TADA, Ryuji², ITURRALDE-VINENT, Manuel³, TAJIKA, Eiichi⁴ and MATSUI, Takafumi⁴, (1)Earth and Planetary Sciences, Kyushu Univ, Fukuoka, 812-8581, Japan, (2)Department of Earth and Planetary Science, univ. of Tokyo, Tokyo, 113-0033, Japan, (3)Museo Nacional de Historia Nat, Obispo No. 61, Plaza de Armas, La Habana Vieja, Habana, 10100, Cuba, (4)Department of Earth and Planetary Science, Univ. of Tokyo, Tokyo, 113-0033, Japan, kiyokawa@geo.kyushu-u.ac.jp, kiyokawa@geo.kyushu-u.ac.jp

SHEEHAN, Peter M., Geology, Milwaukee Public Museum, 800 W. Wells St, Milwaukee, WI 53233, ISBELL, John L., Department of Geosciences, Univ of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, WI 53201, BARRETO, Claudia, Biological Sciences, Univ of Wisconsin Milwaukee, PO 413, Milwaukee, WI 53201 and FASTOVSKY, David E., Department of Geosciences, Univ of Rhode Island, 9 East Alumni Ave, Kingston, RI 02881, sheehan@uwm.edu, sheehan@uwm.edu

PEARCE, Charlotte Avril¹, GILMOUR, Iain², SEPHTON, Mark² and WIDDOWSON, Mike¹, (1)Earth Sciences, The Open Univ, Walton Hall, Milton Keynes, MK7 6AA, United Kingdom, (2)Planetary and Space Science Research Institute, The Open University, Walton Hall, Milton Keynes, MK7 6AA, c.a.pearce@open.ac.uk, c.a.pearce@open.ac.uk

MACLEOD, Kenneth G.¹, WHITNEY, Donna², HUBER, Brian³, BASNETT, Daniel D.¹, DODDS, Rebecca M.¹, NELSON, Eric J.¹ and TRUESDALE, Jon P.¹, (1)Deparment of Geological Sciences, Univ. of Missouri, Columbia, MO 65211, (2)Department of Geology and Geophysics, Univ of Minnesota, 103 Pillsbury Dr, 108 Pillsbury Hall, Minneapolis, MN 55414, (3)Department of Paleobiology, Smithsonian National Museum of Natural History, Washington, DC 20013-7012, macleodk@missouri.edu, macleodk@missouri.edu

KELLER, Gerta, Geosciences, Princeton Univ, Guyot Hall, Princeton, NJ 08544, ADATTE, Thierry, Geological Institute, Univ of Neuchatel, Rue Emile Argand, Neuchatel, CH 2007, Switzerland, STINNESBECK, Wolfgang, Geological Institute, Univ of Karlsruhe, P.O. Box 6980, Karlsruhe, 76128, Germany and STUEBEN, Doris, Institute for Mineralogy and Geochemistry, Univ of Karlsruhe, Karslruhe, 76128, Germany, gkeller@princeton.edu, gkeller@princeton.edu