Sands at Gusev Crater, Mars - Cabrol, Nathalie; Herkenhoff, Kenneth; Knoll, Andrew; Farmer, Jack; Arvidson, Raymond; Grin, E.A.; Li, Ron; Fenton, Lori; Cohen, B.; Bell III, J.F.; Yingst, R. (Journal of Geophysical Research E: Planets, 2014)