"Based on presentations made at the Microbial Mats in Sandy Deposits (Archean to Today) SEPM research conference, Denver, Colorado and Dinosaur Ridge, on May 21-23, 2010"--T.p. verso. NH copy ...
Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. The first life on Earth left only weak traces, mostly in form of ...
Despite bearing witness to its own increase in Earth's atmosphere by around 2.5 to 2.3 billion years ago, oxygen has had relatively little to say about its own early history until now. A recent ...
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