title: Biogeochemistry: Ancient oceans and oxygen.
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Hurtgen
mesh_terms: D001315:Australia; D001419:Bacteria / Q000378:metabolism; D005580:Fossils; D019015:Geologic Sediments / Q000737:chemistry*; D000860:Hypoxia; D007501:Iron / Q000032:analysis; D009792:Oceans and Seas; D010084:Oxidation-Reduction; D010100:Oxygen / Q000032:analysis*; D012623:Seawater / Q000737:chemistry*; D013431:Sulfates / Q000032:analysis*; D013440:Sulfides / Q000032:analysis
chemical_list: D013431:Sulfates; D013440:Sulfides; C011342:pyrite; D007501:Iron; D010100:Oxygen