GOE
E779327
GOE refers to the Great Oxidation Event, a pivotal period in Earth's history when atmospheric oxygen levels rose dramatically, transforming the planet's environment and enabling the evolution of complex life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GOE canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geological event
ⓘ
paleoclimatic event ⓘ |
| alsoKnownAs |
GOE
NERFINISHED
ⓘ
Great Oxygenation Event NERFINISHED ⓘ Oxygen Catastrophe NERFINISHED ⓘ Oxygen Crisis NERFINISHED ⓘ Oxygen Revolution NERFINISHED ⓘ |
| characterizedBy |
increase of atmospheric O2 from trace levels to at least 0.1 percent of present atmospheric level
ⓘ
long-term stabilization of free oxygen in the atmosphere ⓘ transition from reducing to more oxidizing atmosphere ⓘ |
| endTime | approximately 2.0 billion years ago ⓘ |
| evidenceFrom |
banded iron formations
ⓘ
detrital pyrite and uraninite disappearance ⓘ paleosols ⓘ red beds ⓘ sulfur isotope records ⓘ |
| followedBy |
Neoproterozoic Oxygenation Event
NERFINISHED
ⓘ
Proterozoic oxygenation events ⓘ progressive oxygenation of deep oceans ⓘ |
| hasCause |
biological production of oxygen
ⓘ
decline in volcanic and mantle-derived reducing gases ⓘ oxygenic photosynthesis by cyanobacteria ⓘ |
| hasEffect |
appearance of red beds in the geological record
ⓘ
change in sulfur isotope signatures ⓘ changes in nutrient cycles, including phosphorus and nitrogen ⓘ decrease in atmospheric methane concentration ⓘ disappearance of mass-independent fractionation of sulfur isotopes in sediments ⓘ enabling evolution of more complex aerobic life ⓘ formation of an ozone layer ⓘ global climatic cooling ⓘ increase in continental weathering rates ⓘ mass extinction of many anaerobic microorganisms ⓘ oxidation of Earth’s surface environment ⓘ permanent change in redox state of oceans and atmosphere ⓘ possible initiation of Paleoproterozoic Snowball Earth glaciations ⓘ precipitation of banded iron formations ⓘ rise in atmospheric oxygen levels ⓘ widespread oxidation of iron in oceans ⓘ |
| precededBy | Archean anoxic atmosphere ⓘ |
| relevanceTo |
evolution of complex life
ⓘ
habitability of Earth ⓘ search for biosignatures on exoplanets ⓘ |
| startTime | approximately 2.4 billion years ago ⓘ |
| studiedInField |
Earth system science
NERFINISHED
ⓘ
astrobiology ⓘ geochemistry ⓘ geology ⓘ paleoclimatology ⓘ |
| tookPlaceIn | Paleoproterozoic Eon NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.