1. Department of Geosciences; University of Arizona; Tucson Arizona USA
2. Astromaterials Research and Exploration Science Division; NASA Johnson Space Center; Houston Texas USA
3. Lunar and Planetary Institute; Houston Texas USA
4. NASA Ames Research Center; Moffett Field California USA
5. Planetary Science Institute; Tucson Arizona USA
6. Department of Geology and Geophysics; Texas A&M University; College Station Texas USA
7. Chesapeake Energy; Oklahoma City Oklahoma USA
8. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
9. Division of Geological and Planetary Sciences; California Institute of Technology; Pasadena California USA
10. Department of Physics; University of Guelph; Guelph Ontario Canada
11. Geophysical Laboratory; Carnegie Institution; Washington District of Columbia USA
12. Department of Earth and Planetary Sciences; American Museum of Natural History; New York New York USA
13. School of Earth and Space Exploration; Arizona State University; Tempe Arizona USA
14. SETI Institute; Mountain View California USA