P. Sarrazin, W.Brunner, D. Blake, M. Gailhanou, D. L. Bish, D.Vaniman, S. Chipera, D.W. Ming, A. Steele, I. Midtkandal, H.E.F.Amundsen, R. Peterson, inXitu Inc., 2551 Casey Ave Ste A, Mountain View, CA 94043 psarrazin@inxitu.com; NASA Ames Research Center, Moffett Field, CA 94035; TECSEN, UMR CNRS 6122, Universite Paul Cezanne, 13397 Marseille, France; Dept. of Geological Sciences, Indiana Univ., Bloomington, IN 47405-1405; Earth & Env. Sciences, Los Alamos National Laboratory, Los Alamos, NM 87545; Chesapeake Energy Corporation, 6100 N. Western Ave, Oklahoma City, OK 73118; NASA Johnson Space Center, Mail Code KX3, Houston, TX 77058; Department of Geosciences, University of Oslo, Oslo, Norway; Earth and Planetary Exploration Services, University of Oslo, Oslo, Norway; Department of Geological Sciences and Geological Engineering, Queen’s University, Kingston, Ontario, Canada, K7L3N6.