2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

LE DEIT, Laetitia, Laboratoire de Planétologie et Géodynamique, LPG-Nantes, UMR CNRS 6112, University of Nantes, 2 chemin de la Houssinière, Nantes, 44322, France, HAUBER, Ernst, DLR Deutsches Zentrum für Luft- und Raumfahrt, Berlin, Germany, MANGOLD, Nicolas, Laboratoire de Planetologie et Geodynamique de Nantes, University of Nantes, France, Nantes, 44322, France, PONDRELLI, Monica, Irsps, Università d'Annunzio, viale Pindaro 42, Pescara, 65010, Italy, FUETEN, Frank, Department of Earth Science, Brock University, 500 Glenridge Ave, St. Catharines, ON L2S 3A1, Canada, BOURGEOIS, Olivier, LPG-Nantes, UMR CNRS 6112, University of Nantes, Nantes, 44322, France, MÈGE, Daniel, Space Research Centre, Polish Academy of Sciences, Warsaw, 00-716, Poland; LPG-Nantes, UMR CNRS 6112, University of Nantes, Nantes, 44322, France, FLAHAUT, Jessica, Faculty of Earth and Life Science, VU University Amsterdam, Amsterdam, 1081HV, Netherlands; Laboratoire de Géologie de Lyon (LGL-TPE), Université Lyon 1, Villeurbanne, 69622, France, ADELI, Solmaz, Institute of Planetary Research, DLR, Berlin, 12489, Germany and LE MOUÉLIC, Stéphane, Laboratoire de Planetologie et Geodynamique, CNRS/Université de Nantes, 2 rue de la Houssiniere, BP 92208, 44322 Nantes cedex 3 France, Nantes, 92208, France, Laetitia.Ledeit@univ-nantes.fr

MILLIKEN, Ralph E., Department of Earth, Environmental, and Planetary Sciences, Brown University, Box 1846, Providence, RI 02912 and GROTZINGER, John, Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, Ralph_Milliken@brown.edu

EDGETT, Kenneth S., Malin Space Science Systems, P.O. Box 90148, San Diego, CA 92191-0148, edgett@msss.com

BENNETT, Kristen A., Arizona State University, School of Earth and Space Exploration, Tempe, AZ 85287 and BELL III, James F., School of Earth & Space Exploration, Arizona State University, P.O. Box 871404, Tempe, AZ 85287, Kristen.A.Bennett@asu.edu

GREGG, Tracy K.P., Department of Geology, University at Buffalo, State University of New York, 126 Cooke Hall, Buffalo, NY 14260 and ZIMBELMAN, James R., Center for Earth and Planetary Studies, Smithsonian Institution, National Air and Space Museum, PO Box 37012, Museum MRC 315, Washington, DC 20013-7012, tgregg@buffalo.edu

SCHULTZ, Peter H., Department of Earth, Environmental, and Planetary Science, Brown University, P.O. Box 1846, Providence, RI 02912 and ZARATE, Marcelo, CONICET, National University of La Pampa, INCITAP, P. O. Box 186, Correo Argentino, Santa Rosa, 6300, Argentina, peter_schultz@brown.edu

MCCUBBIN, Francis¹, BOYCE, Jeremy², SZABÓ, Timea³, SANTOS, Alison⁴, TARTÈSE, Romain⁵, DOMOKOS, Gabor³, VAZQUEZ, Jorge A.⁶, MOSER, Desmond E.⁷, JEROLMACK, Douglas J.⁸ and KELLER, Lindsay P.⁹, (1)NASA, Johnson Space Center, Mailcode XI2, 2101 NASA Parkway, Houston, TX 77058, (2)Department of Earth and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90095, (3)Department of Mechanics, Materials and Structures, Budapest University of Technology and Economics, Budapest, Hungary, (4)Institute of Meteoritics, University of New Mexico, Albuquerque, NM 87131, (5)Institut de Minéralogie et de Physique des Milieux Condensés, Muséum National d’Histoire Naturelle, Paris, 75005, France, (6)U.S. Geological Survey, SHRIMP-RG laboratory, Menlo Park, CA 94025, (7)Department of Earth Sciences, University of Western Ontario, 1151 Richmond St. North, London, ON N6A 5B7, Canada, (8)University of Pennsylvania, Philadelphia, PA 19104, (9)NASA Johnson Space Center, Mail Code XI3, 2101 NASA Parkway, Houston, TX 77058, francis.m.mccubbin@nasa.gov

SUN, Vivian Z., Department of Earth, Environmental, and Planetary Sciences, Brown University, 324 Brook Street, Box 1846, Providence, RI 02912 and MILLIKEN, Ralph E., Department of Earth, Environmental, and Planetary Sciences, Brown University, Box 1846, Providence, RI 02912, vivian_sun@brown.edu

POWELL, Kathryn E., Earth & Planetary Sciences, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO 63130, ARVIDSON, Raymond E., Earth & Planetary Sciences, Washington University in St. Louis, 1 Brookings Drive, Saint Louis, MO 63130 and ZANETTI, Michael, Earth & Planetary Sciences, Washington University, 1 Brookings Drive, St. Louis, MO 63130, kathryn.powell@wustl.edu

BUZ, Jennifer, Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E California Blvd. 170-25, Pasadena, CA 91125, EHLMANN, Bethany L., Division of Geological and Planetary Sciences, California Institute of Technology, MC170-25, Pasadena, CA 91125 and PAN, Lu, Geological and Planetary Sciences, Caltech, 1200 E. California Blvd., Pasadena, CA 91125, jbuz@gps.caltech.edu

EDGAR, Lauren A., U.S. Geological Survey, Astrogeology Science Center, 2255 N. Gemini Drive, Flagstaff, AZ 86001, ledgar@usgs.gov

YINGST, R. Aileen¹, EDGETT, Kenneth², KAH, Linda C.³, MCBRIDE, Marie J.², MINITTI, Michelle E.¹, STACK, Kathryn M.⁴, SCHIEBER, Juergen⁵, GROTZINGER, John P.⁶, GOETZ, Walter⁷ and ROWLAND, Scott K.⁸, (1)Planetary Science Institute, 1700 E. Fort Lowell Rd., Suite 106, Tucson, AZ 85719, (2)Malin Space Science Systems, P.O. Box 90148, San Diego, CA 92191-0148, (3)Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, (4)Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, (5)Department of Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47405, (6)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, (7)Max Planck Institute for Solar System Research (MPS), Julius-von-Liebig-Weg, 3, Göttingen, 37077, Germany, (8)Geology & Geophysics, University of Hawai'i, 1680 East-West Rd., POST 606, Honolulu, HI 96822, yingst@psi.edu

KRONYAK, R.E.¹, KAH, L.C.², GROTZINGER, J.P.³, FISK, M.R.⁴, SUMNER, D.Y.⁵, NACHON, M.⁶, MANGOLD, N.⁶, BLANEY, D.L.⁷, RAPIN, W.⁸ and WIENS, R.C.⁹, (1)Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996-1410, (2)Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, (3)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, (4)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Administration Building, Corvallis, OR 97331, (5)Geology, University of California, Davis, CA 95616, (6)Laboratoire de Planetologie et Geodynamique de Nantes, University of Nantes, France, Nantes, 44322, France, (7)Jet Propulsions Laboratory, Pasadena, CA 91011, (8)Institut de Recherche en Astrophysique et Planétologie, Toulouse, France, (9)Los Alamos National Laboratory, Los Alamos, NM 87545, rkronyak@vols.utk.edu

HEYDARI, Ezat¹, EDGETT, Kenneth S.², MALIN, Michael C.², MINITTI, Michelle E.³, YINGST, R. Aileen³, GELLERT, Ralf⁴, THOMPSON, Lucy M.⁵, ROWLAND, Scott K.⁶, HALLET, Bernard⁷ and SULLIVAN, R.⁸, (1)Department of Physics, Atmospheric Sciences, and Geoscience, Jackson State University, P.O. Box 17660, 1400 Lynch Street, Jackson, MS 39217, (2)Malin Space Science Systems, P.O. Box 90148, San Diego, CA 92191-0148, (3)Planetary Science Institute, 1700 E. Fort Lowell Rd., Suite 106, Tucson, AZ 85719, (4)Dept. of Physics, University of Guelph, Guelph, ON N1G 2W1, Canada, (5)Planetary and Space Science Centre, Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, (6)Geology & Geophysics, University of Hawai'i, 1680 East-West Rd., POST 606, Honolulu, HI 96822, (7)Earth and Space Sciences and Quaternary Research Center, University of Washington, Seattle, WA 98195, (8)Department of Astronomy, Cornell University, Ithaca, NY 14853, ezat.heydari@jsums.edu

LAPOTRE, Mathieu G.A.¹, EHLMANN, Bethany L.², MINSON, Sarah E.³, AYOUB, Francois⁴, ARVIDSON, Raymond E.⁵, BUZ, Jennifer³, FRAEMAN, Abigail A.⁶, BRIDGES, Nathan T.⁷, EWING, Ryan⁸ and RUBIN, David M.⁹, (1)Division of Geological and Planetary Sciences, California Institute of Technology, MC170-25, 91106, Pasadena, CA 91125, (2)Division of Geological and Planetary Sciences, California Institute of Technology, MC170-25, Pasadena, CA 91125, (3)Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E California Blvd. 170-25, Pasadena, CA 91125, (4)Geological and Planetary Sciences, Caltech, 1200 EAST CALIFORNIA BOULEVARD, Pasadena, CA 91125, (5)Earth & Planetary Sciences, Washington University in St. Louis, 1 Brookings Drive, Saint Louis, MO 63130, (6)Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E California Blvd. 170-25, Pasadena, CA 91106, (7)Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, (8)Department of Geology and Geophysics, Texas A&M University, MS 3115, College Station, TX 77843, (9)Earth and Planetary Sciences, UC Santa Cruz, 1156 High St, Santa Cruz, CA 950604, mlapotre@caltech.edu