Paleontology. New biomarker proposed for earliest life on Earth.
Kerr
Richard A
RA
D001419:Bacteria; D015415:Biomarkers; D002247:Carbon Isotopes / Q000032:analysis; D019015:Geologic Sediments; D019369:Life; D010163:Paleontology; D013019:South Africa; D013995:Time; D018707:Volcanic Eruptions
D015415:Biomarkers; D002247:Carbon Isotopes