{"id":"W2140076784","doi":"10.1098/rstb.2006.1896","title":"Implications of a 3.472–3.333 Gyr-old subaerial microbial mat from the Barberton greenstone belt, South Africa for the UV environmental conditions on the early Earth","year":2006,"lang":"en","type":"article","venue":"Philosophical Transactions of the Royal Society B Biological Sciences","topic":"Planetary Science and Exploration","field":"Physics and Astronomy","cited_by":191,"is_retracted":true,"has_abstract":true,"ca_institutions":"Western University","funders":"","keywords":"Subaerial; Greenstone belt; Astrobiology; Early Earth; Microbial mat; Volcano; Evaporite; Banded iron formation; Geology; Geochemistry; Mars Exploration Program; Earth science; Precambrian; Cyanobacteria; Archean; Biology; Paleontology; Bacteria; Sedimentary rock","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":{"nature":"Correction","reason":"Concerns/Issues about Authorship/Affiliation;","date":"12/29/2006 0:00","openalex_flagged":true},"screen":null}