Great Oxygenation Event en · PROPN
Meanings
- (qualifier: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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| the Great Oxygenation Event | canonical | lexicographic |
Synonyms
Oxygenation Crisis · Oxygen Holocaust · Oxygen Catastrophe · Oxygenation Event · GOE · Oxygen Crisis · Great Oxygenation · Oxygenation Catastrophe · Oxygen Revolution · Oxygenation Holocaust