1. Department of Geosciences, Stony Brook University, Stony Brook, NY 11794-2100, USA.
2. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA.
3. Department of Geological Sciences, Brown University, Providence, RI 02912, USA.
4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
5. Department of Space Sciences, NASA Ames Research Center, Moffett Field, CA 94035, USA.
6. Institut de Recherche en Astrophysique et Planétologie, University Paul Sabatier, 31028 Toulouse, France.
7. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
8. Centro de Astrobiología, Consejo Superior de Investigaciones Científicas–Instituto Nacional de Técnica Aeroespacial (CSIC-INTA), 28850 Madrid, Spain.
9. Department of Astronomy, Cornell University, Ithaca, NY 14853, USA.
10. Space Remote Sensing, Los Alamos National Laboratory, Los Alamos, NM 87544, USA.
11. University of Copenhagen, 1350 Copenhagen, Denmark.
12. Department of Physics, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
13. Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, USA.
14. Department of Earth Science and Engineering, Imperial College London, London SW7 2AZ, UK.
15. U.S. Geological Survey, Flagstaff, AZ 86001, USA.
16. Astromaterials Research and Exploration Science Division, NASA Johnson Space Center, Houston, TX 77058, USA.
17. NASA Johnson Space Center, Houston, TX 77058, USA.
18. Department of Earth Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada.
19. Department of Earth and Planetary Sciences, University of California–Davis, Davis, CA 95616, USA.