Knoll A.H.; Fischer W.W.; Carr M.; Clark B.; Marais D.J.D.; Farmer J.D.; Grotzinger J.P.; McLennan S.M.; Tosca N.J.; Malin M.; Schröder C.; Squyres S.; Wdowiak T.(2005)
Sedimentary rocks exposed in the Meridiani Planum region of Mars record aqueous and eolian deposition in ancient dune and interdune playa-like environments that were arid, acidic, and oxidizing. On Earth, microbial populations ...