411 REFERENCE · Wiktionary
Great Oxygenation Event
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
Great Oxygenation Event 1
en geology paleontology earth science A period around 2.5 to 2.3 billion years ago when the atmosphere of the Earth and its shallow oceans saw a sustained increase in oxygen, caused by the widespread proliferation of photosynthetic cyanobacteria.
en GOE initialism Oxygen Revolution Oxygenation Event Great Oxygenation Oxygen Catastrophe Oxygen Crisis Oxygen Holocaust Oxygenation Crisis Oxygenation Holocaust Oxygenation Catastrophe
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