title: Sulfate clues for the early history of atmospheric oxygen.
authors.affiliation: Department of Geological and Environmental Sciences, Stanford University, Braun Hall, Building 320, Stanford, CA 94305, USA. apaytan@pangea.stanford.edu
authors.forename: A
authors.initials: A
authors.lastname: Paytan
mesh_terms: D001272:Atmosphere; D019418:Evolution, Chemical; D019015:Geologic Sediments / Q000737:chemistry*; D007501:Iron / Q000737:chemistry; D010084:Oxidation-Reduction; D010100:Oxygen; D012623:Seawater; D013431:Sulfates / Q000737:chemistry* / Q000378:metabolism; D013440:Sulfides / Q000737:chemistry / Q000378:metabolism; D013460:Sulfur Isotopes; D016999:Sulfur-Reducing Bacteria / Q000378:metabolism; D013696:Temperature
chemical_list: D013431:Sulfates; D013440:Sulfides; D013460:Sulfur Isotopes; C011342:pyrite; D007501:Iron; D010100:Oxygen