LEVEILLE, Richard J., Department of Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 0E8, Canada; Geosciences, John Abbott College, 21 275 Lakeshore Road, Saint-Anne-de-Bellevue, QC H9X 3L9, BÉRUBÉ, Damien, Department of Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 0E8, Canada, BLANK, Jennifer G., Dept Space Sciences & Astrobiology/Blue Marble Space Institute, NASA Ames Research Center, MS 245-3, Moffett Field, CA 94035, DATTA, Saugata, Department of Geology, Kansas State University, 104 Thompson Hall, Manhattan, KS 66506, POLLARD, Wayne H., Department of Geography, McGill University, Montreal, QC H3A 2K6, Canada, SAMSON, Claire, Dept. of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, SOBRON, Pablo, SETI Institute, 89 Bernardo Ave, Suite 200, Mountain View, CA 94043, WHYTE, L.G., Natural Resource Sciences, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada and WING, Boswell, Department of Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 2A7, Canada, richard.leveille@mcgill.ca