Two-billion-year-old salt rock reveals rise of oxygen in ancient atmosphere
3/22/2018 01:30:00 PM Email
The study by an international team of institutions including Princeton University found that the rise in oxygen that occurred about 2.3 billion years ago, known as the Great Oxidation Event, was much more substantial than previously indicated.
"Instead of a trickle, it was more like a firehose," said Clara Blättler, a postdoctoral research fellow in the Department of Geosciences at Princeton and first author on the study, which was published online by the journal Science. "It was a major change in the production of oxygen."
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https://archaeologynewsnetwork.blogspot.com/2018/03/two-billion-year-old-salt-rock-reveals.html#z5VECrh3STQom8F2.99
