earth:geohammers:m_bce_events
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earth:geohammers:m_bce_events [2017/08/27 21:56] 127.0.0.1 external edit |
earth:geohammers:m_bce_events [2019/03/09 13:40] khavikanum |
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| [[http://www.physorg.com/news183278038.html]] | [[http://www.physorg.com/news183278038.html]] | ||
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| + | ==== //Homo erectus// Diverges, 1.8M BCE ==== | ||
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| + | Earliest //Homo erectus// skeletons found, although many put the divergence at anywhere from 2.1M to 2.8M BCE. | ||
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| + | [[https://en.wikipedia.org/wiki/Homo_erectus]]\\ | ||
| + | [[https://en.wikipedia.org/wiki/Homo_habilis]] | ||
| ==== Galan Eruption, 2.2M BCE ==== | ==== Galan Eruption, 2.2M BCE ==== | ||
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| [[https://phys.org/news/2017-06-previously-unknown-extinction-marine-megafauna.html]]\\ | [[https://phys.org/news/2017-06-previously-unknown-extinction-marine-megafauna.html]]\\ | ||
| [[https://en.wikipedia.org/wiki/Pleistocene]]\\ | [[https://en.wikipedia.org/wiki/Pleistocene]]\\ | ||
| + | [[https://phys.org/news/2018-05-supernovae-responsible-mass-extinctions.html]]\\ | ||
| + | |||
| + | ==== LD 350-1, 2.8M BCE ==== | ||
| + | |||
| + | Whether an ancestor or a cousin of humanity, the LD 350-1 jawbone pushes the potential for a split in human evolution to around this timeframe, perhaps as an intermediary between austrolopithicines and homo. | ||
| + | |||
| + | [[https://en.wikipedia.org/wiki/Homo_habilis]]\\ | ||
| + | [[https://en.wikipedia.org/wiki/Ledi-Geraru#LD_350-1]]\\ | ||
| ==== Quarternary Glaciation, 3M BCE ==== | ==== Quarternary Glaciation, 3M BCE ==== | ||
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| Alexandra Witze. 2010. "Siberian lake yields climate record: winter drilling project also penetrates ancient impact crater." //Science News//. 178(11):p13. | Alexandra Witze. 2010. "Siberian lake yields climate record: winter drilling project also penetrates ancient impact crater." //Science News//. 178(11):p13. | ||
| + | |||
| + | ==== Australpithecines Diverge, 4M BCE ==== | ||
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| + | The Australopithecines and Hominina split -- and both are considered 'Human'. | ||
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| + | [[https://en.wikipedia.org/wiki/Hominini]]\\ | ||
| + | [[https://en.wikipedia.org/wiki/Human_evolution]]\\ | ||
| [[http://en.wikipedia.org/wiki/Lake_El'gygytgyn]] | [[http://en.wikipedia.org/wiki/Lake_El'gygytgyn]] | ||
| Line 53: | Line 75: | ||
| [[http://en.wikipedia.org/wiki/Karakul_(Tajikistan)]] | [[http://en.wikipedia.org/wiki/Karakul_(Tajikistan)]] | ||
| + | |||
| + | ==== Chimpanzee Diversion, 6.3M BCE ==== | ||
| + | |||
| + | Chimpanzees and the hominina lineage diverge. | ||
| + | |||
| + | [[https://en.wikipedia.org/wiki/Hominini]] | ||
| + | |||
| + | ==== Supernova Event, 8M BCE ==== | ||
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| + | A rain of iron-60 from a 'nearby' supernova may have depleted the ozone significantly, contributing higher ionizing solar radiation at higher latitudes. | ||
| + | |||
| + | [[https://phys.org/news/2018-05-supernovae-responsible-mass-extinctions.html]] | ||
| + | |||
| + | ==== Homininae End, 8 to 10M BCE ==== | ||
| + | |||
| + | Gorilla and human ancestors diverge. | ||
| + | |||
| + | [[https://en.wikipedia.org/wiki/Homininae]] | ||
| ==== Nordlinger Ries Impact Event, 14.4M BCE ==== | ==== Nordlinger Ries Impact Event, 14.4M BCE ==== | ||
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| [[http://en.wikipedia.org/wiki/File:All_palaeotemps.png]]\\ | [[http://en.wikipedia.org/wiki/File:All_palaeotemps.png]]\\ | ||
| [[http://en.wikipedia.org/wiki/File:All_palaeotemps.png]]\\ | [[http://en.wikipedia.org/wiki/File:All_palaeotemps.png]]\\ | ||
| + | |||
| + | ==== Monkey Diversion, 25M BCE ==== | ||
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| + | Old World Monkeys diverse from the ancestral hominid lineage. | ||
| + | |||
| + | [[https://en.wikipedia.org/wiki/Hominini]] | ||
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| [[http://en.wikipedia.org/wiki/Manicouagan_impact_crater]] | [[http://en.wikipedia.org/wiki/Manicouagan_impact_crater]] | ||
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| + | ==== Carnian Pluvial Event, 230M BCE ==== | ||
| + | |||
| + | Wrangellian eruptions over five million years inject carbon dioxide into the atmosphere, acififying the oceans and contributing to a two million year long flooding period that changed the land from hot and dry to hot and wet. Plant growth on land erupted, changing the ecological support, and leaving only the dinosaurs best suited to eat and digest the woodier plant matter. | ||
| + | |||
| + | [[https://en.wikipedia.org/wiki/Carnian_Pluvial_Event]] | ||
| ==== Permian-Triassic Extinction, 252M BCE ==== | ==== Permian-Triassic Extinction, 252M BCE ==== | ||
earth/geohammers/m_bce_events.txt ยท Last modified: 2022/12/25 17:55 by khavikanum
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