TY - GEN AU - Grassineau,N V AU - Nisbet,E G AU - Bickle,M J AU - Fowler,C M AU - Lowry,D AU - Mattey,D P AU - Abell,P AU - Martin,A TI - Antiquity of the biological sulphur cycle: evidence from sulphur and carbon isotopes in 2700 million-year-old rocks of the Belingwe Belt, Zimbabwe SN - 0962-8452 PY - 2001///0628 KW - Archaea KW - metabolism KW - Carbon Isotopes KW - analysis KW - Geologic Sediments KW - microbiology KW - Paleontology KW - Photosynthesis KW - Sulfur KW - Sulfur Isotopes KW - Zimbabwe N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1098/rspb.2000.1338 ER -