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Evidence for early life in Earth’s oldest hydrothermal vent precipitates
Matthew S. Dodd ,
Dominic Papineau ,
Tor Grenne ,
John F. Slack ,
Martin Rittner ,
Franco Pirajno ,
Jonathan O’Neil ,
Crispin T. S. Little
March 1 2017
March 1 2017
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Abstract
Although it is not known when or where life on Earth began, some of the earliest habitable environments may have been submarine-hydrothermal vents. Here we describe putative fossilized microorganisms that are at least 3,770 million and possibly 4,280 million years old in ferruginous sedimentary rocks,