title: Planetary science: clays in the history of Mars.
authors.forename: Horton
authors.initials: H
authors.lastname: Newsom
mesh_terms: D000538:Aluminum Silicates / Q000032:analysis* / Q000737:chemistry*; D002254:Carbonates / Q000032:analysis; D000077215:Clay; D018559:Exobiology; D005118:Extraterrestrial Environment / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D018535:Mars; D019110:Meteoroids; D013026:Space Flight; D013431:Sulfates / Q000032:analysis; D014867:Water / Q000032:analysis / Q000737:chemistry
chemical_list: D000538:Aluminum Silicates; D002254:Carbonates; D013431:Sulfates; D014867:Water; D000077215:Clay