How Great was the “Great Oxidation Event”? - Eos

eos.org How Great was the “Great Oxidation Event”? - Eos

Geochemical sleuthing amid acid mine runoff suggests that scientists should rethink an isotope signal long taken to indicate low levels of atmospheric oxygen in Earth’s deep past.

Hacker News @lemmy.smeargle.fans How great was the Great Oxidation Event?

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All the species dying due to the Oxygen Catastrophe: "I'm gonna be honest with you, it's not great".

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