earth:geohammers:m_bce_events
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earth:geohammers:m_bce_events [2022/03/10 01:46] khavikanum |
earth:geohammers:m_bce_events [2022/12/25 17:55] khavikanum |
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| [[http://www.physorg.com/news183278038.html]] | [[http://www.physorg.com/news183278038.html]] | ||
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| + | ==== Pingualuit Crater, 1.4M BCE ==== | ||
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| + | Canadian impact crater in Quebec with a Secchi depth visibility >115ft, recharged solely by snowfall and rainfall. It's noted for its nearly perfect circular dimensions with a depth of 1300ft and a diameter of just over 2mi, and was known to the Inuit as the 'pimple' and the Crystal Eye of Nunavik. | ||
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| + | ]]https://en.wikipedia.org/wiki/Pingualuit_crater]] | ||
| ==== Homo erectus Diverges, 1.8M BCE ==== | ==== Homo erectus Diverges, 1.8M BCE ==== | ||
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| [[http://phys.org/news/2012-06-fungi-coal-formation-advance-future.html]] | [[http://phys.org/news/2012-06-fungi-coal-formation-advance-future.html]] | ||
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| + | ==== KGB Carbon Dioxide Jump, 304M BCE ==== | ||
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| + | Kasimovian-Gzhelian boundary (KGB) records doubling in CO2 from 350ppm to 700ppm within just 300,000 years. | ||
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| + | [[https://phys.org/news/2022-05-carbon-climate-ocean-anoxia-ancient.html]]\\ | ||
| ==== End Devonian Impacts, Karoo Glaciation, 360M BCE ==== | ==== End Devonian Impacts, Karoo Glaciation, 360M BCE ==== | ||
earth/geohammers/m_bce_events.txt ยท Last modified: 2022/12/25 17:55 by khavikanum
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