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- Great_Oxygenation_Event abstract "The Great Oxygenation Event (GOE), also called the Oxygen Catastrophe, Oxygen Crisis, the Oxygen Revolution, or Great Oxidation, was the biologically induced appearance of free oxygen (O2) in Earth's atmosphere. Geological, isotopic, and chemical evidence suggest this major environmental change happened around 2.3 billion years ago (2.3 Ga).Cyanobacteria, which appeared about 200 million years before the GOE, began producing oxygen by photosynthesis. Before the GOE, any free oxygen they produced was chemically captured by dissolved iron or organic matter. The GOE was the point when these oxygen sinks became saturated and could not capture all of the oxygen that was produced by cyanobacterial photosynthesis. After the GOE the excess free oxygen started to accumulate in the atmosphere.Free oxygen is toxic to obligate anaerobic organisms and the rising concentrations may have wiped out most of the Earth's anaerobic inhabitants at the time. Cyanobacteria were therefore responsible for one of the most significant extinction events in Earth's history. Additionally the free oxygen reacted with the atmospheric methane, a greenhouse gas, reducing its concentration and thereby triggering the Huronian glaciation, possibly the longest snowball Earth episode. Free oxygen has been an important constituent of the atmosphere ever since.".
- Great_Oxygenation_Event thumbnail Oxygenation-atm-2.svg?width=300.
- Great_Oxygenation_Event wikiPageExternalLink first-breath-earths-billion-year.html.
- Great_Oxygenation_Event wikiPageExternalLink mg20527461.100-first-breath-earths-billionyear-struggle-for-oxygen.html.
- Great_Oxygenation_Event wikiPageID "3268926".
- Great_Oxygenation_Event wikiPageRevisionID "603474265".
- Great_Oxygenation_Event axisNudge "-1".
- Great_Oxygenation_Event caption "Million years ago. Age of Earth = 4,560".
- Great_Oxygenation_Event collapsible "yes".
- Great_Oxygenation_Event from "-2500".
- Great_Oxygenation_Event hasPhotoCollection Great_Oxygenation_Event.
- Great_Oxygenation_Event inc "200".
- Great_Oxygenation_Event row "note".
- Great_Oxygenation_Event row "scale".
- Great_Oxygenation_Event row11At "-2400".
- Great_Oxygenation_Event row11Text "Great Oxygenation".
- Great_Oxygenation_Event row12At "-2100".
- Great_Oxygenation_Event row12Text "End of Huronian glaciation".
- Great_Oxygenation_Event to "0".
- Great_Oxygenation_Event subject Category:Climate_history.
- Great_Oxygenation_Event subject Category:Extinction_events.
- Great_Oxygenation_Event subject Category:Geological_history_of_Earth.
- Great_Oxygenation_Event subject Category:Origin_of_life.
- Great_Oxygenation_Event subject Category:Oxygen.
- Great_Oxygenation_Event subject Category:Proterozoic.
- Great_Oxygenation_Event type Abstraction100002137.
- Great_Oxygenation_Event type Event100029378.
- Great_Oxygenation_Event type ExtinctionEvents.
- Great_Oxygenation_Event type PsychologicalFeature100023100.
- Great_Oxygenation_Event type YagoPermanentlyLocatedEntity.
- Great_Oxygenation_Event comment "The Great Oxygenation Event (GOE), also called the Oxygen Catastrophe, Oxygen Crisis, the Oxygen Revolution, or Great Oxidation, was the biologically induced appearance of free oxygen (O2) in Earth's atmosphere. Geological, isotopic, and chemical evidence suggest this major environmental change happened around 2.3 billion years ago (2.3 Ga).Cyanobacteria, which appeared about 200 million years before the GOE, began producing oxygen by photosynthesis.".
- Great_Oxygenation_Event label "Catastrofe dell'ossigeno".
- Great_Oxygenation_Event label "Gran Oxidación".
- Great_Oxygenation_Event label "Grande Oxydation".
- Great_Oxygenation_Event label "Grande evento de oxigenação".
- Great_Oxygenation_Event label "Great Oxygenation Event".
- Great_Oxygenation_Event label "Große Sauerstoffkatastrophe".
- Great_Oxygenation_Event label "Katastrofa tlenowa".
- Great_Oxygenation_Event label "Кислородная катастрофа".
- Great_Oxygenation_Event label "حدث التأكسد الكبير".
- Great_Oxygenation_Event label "大氧化事件".
- Great_Oxygenation_Event sameAs Große_Sauerstoffkatastrophe.
- Great_Oxygenation_Event sameAs Gran_Oxidación.
- Great_Oxygenation_Event sameAs Grande_Oxydation.
- Great_Oxygenation_Event sameAs Peristiwa_Oksigenasi_Besar.
- Great_Oxygenation_Event sameAs Catastrofe_dell'ossigeno.
- Great_Oxygenation_Event sameAs Katastrofa_tlenowa.
- Great_Oxygenation_Event sameAs Grande_evento_de_oxigenação.
- Great_Oxygenation_Event sameAs m.092dsd.
- Great_Oxygenation_Event sameAs Q837561.
- Great_Oxygenation_Event sameAs Q837561.
- Great_Oxygenation_Event sameAs Great_Oxygenation_Event.
- Great_Oxygenation_Event wasDerivedFrom Great_Oxygenation_Event?oldid=603474265.
- Great_Oxygenation_Event depiction Oxygenation-atm-2.svg.
- Great_Oxygenation_Event isPrimaryTopicOf Great_Oxygenation_Event.