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It turns out the rocks point to the likely cause of a mass extinction that has perplexed geologists for years. They tie the great dying to undersea volcanism and eruptions that appear to have wreaked global havoc, depleting the oceans of oxygen and making them so toxic, many marine species went extinct.
Originally posted by Hanslune
I hope that wasn't another Youtube video of Elvis impersonators looking for Atlantis in Las Vegas? LOL