1. NASA Johnson Space Center, 2101 NASA Parkway, mail code XI, Houston TX 77058, USA
2. Lunar and Planetary Laboratory, University of Arizona, 1629 E University Blvd, Tucson AZ 85721
3. Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Rd. NW Washington DC 20015, USA
4. State Key Laboratory for Mineral Deposits, Research & Lunar and Planetary Science Institute, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
5. Planetary Exploration Group, Space Department, Johns Hopkins University Applied Physics Lab, Laurel, Maryland 20723, USA
6. Department of Civil & Environmental Engineering & Earth Sciences, University of Notre Dame, Notre Dame, Indiana 46556, USA
7. Geosciences Research Division, Scripps Institution of Oceanography, La Jolla, CA 92093-0244, USA
8. Czech Geological Survey, Klárov 3, CZ-118 21 Prague 1, Czech Republic
9. The University of Manchester, Department of Earth and Environmental Sciences, Oxford Road, Manchester M13 9PL, UK
10. Jacobs, NASA Johnson Space Center, 2101 NASA Parkway, mail code XI3, Houston TX 77058, USA
11. Department of Geological Sciences, University of Florida, Gainesville, FL 32611, USA
12. Planetary and Space Sciences, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK
13. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA