1. NASA Astrobiology Institute and Department of Geosciences, The Pennsylvania State University, University Park, Pennsylvania.
2. NASA Astrobiology Institute and Department of Earth and Space Sciences, University of California Los Angeles, Los Angeles, California.
3. NASA Astrobiology Institute and Geophysical Lab of Carnegie Institute of Washington, Washington, DC.
4. Department of Earth Sciences, Laurentian University, Sudbury, Ontario, Canada.
5. School of Earth and Space Exploration, Arizona State University, Tempe, Arizona.
6. Department of Geological and Environmental Sciences, School of Earth Sciences, Stanford University, Stanford, California.
7. Department of Geology, University of California Davis, Davis, California.