nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqrefv0rzeadswqcxj80jgpy0pue58ge50yj8mystxjc503fkjnaeskt0zw6 what is very fast in geological terms? I don't have a clue.
And why did it happen? An...
@nprofile1q... "Fast" ~ 20 milion years. Why? Sulfides got oxidized by increasing oxygen levels, paired with barium, and precipitated as barite. What? The ocean became less toxic to things we recognize as life.
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