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earth:geohammers:m_bce_events [2020/10/15 13:23] khavikanum |
earth:geohammers:m_bce_events [2022/03/10 01:46] khavikanum |
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[[http://geosphere.gsapubs.org/content/9/4/864.abstract]]\\ | [[http://geosphere.gsapubs.org/content/9/4/864.abstract]]\\ | ||
[[http://en.wikipedia.org/wiki/Marysvale_volcanic_field]] | [[http://en.wikipedia.org/wiki/Marysvale_volcanic_field]] | ||
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+ | ==== ERV-FC Virus, 33M BCE ==== | ||
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+ | A retrovirus began to infect mammals, and it did so for about 15M years. | ||
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+ | [[https://en.wikipedia.org/wiki/ERV-Fc]] | ||
==== Beginning of the Oligocene Epoch, 34M BCE ==== | ==== Beginning of the Oligocene Epoch, 34M BCE ==== | ||
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This rise in temperature likely drove out much of the oxygen in the world's oceans, causing a large die off of marine animals. The world would have shifted to a warmer and wetter overall climate, a major selection event in and of itself. | This rise in temperature likely drove out much of the oxygen in the world's oceans, causing a large die off of marine animals. The world would have shifted to a warmer and wetter overall climate, a major selection event in and of itself. | ||
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+ | ==== Hiawatha Crater, 58M BCE ==== | ||
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+ | Originally thought to be only 13,000 years old, later analyses indicate that Hiawatha Crater on Greenland is much, much older. | ||
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+ | [[https://phys.org/news/2022-03-giant-impact-crater-greenland-million.html]]\\ | ||
==== K-T Boundary, 65M BCE ==== | ==== K-T Boundary, 65M BCE ==== |