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Archean

Hierarchy:Precambrian
 Archean
Classification:Eon (as per International Commission on Stratigraphy)
Top:2500 Ma
Base:4000 Ma
Preceeds:Proterozoic Siderian
Follows:Hadean Early Imbrian
Primary Divisions:NeoarcheanMesoarcheanPaleoarcheanEoarchean
FGDC code:A
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
BacteriaCyanobacteria Cyanophyceae1
Oxygen photosynthesis evolved leading the way for the later oxygen catastrophe, or Great Oxygenation Event.
 

Geologic Events

Event NameTypeAgeArea
Insel orogenyOrogeny2650 ± 150 MaAntarctica
Algoman/Kenoran orogeny (concludes)Orogeny~2700 - ~2500 MaNorth America
Pongola glaciation (concludes)Glaciation Event~2900 - ~2780 MaGlobal
Lopian orogeny (concludes)Orogeny~2900 - ~2800 MaEurope
Humboldt orogeny (concludes)Orogeny~3000 MaAntarctica
Ur formation (concludes)Continental Assembly~3100 MaGlobal
Great Oxygenation Event (concludes)Major Climatic Event~3500 - ~850 MaGlobal
Rayner orogeny (concludes)Orogeny~3500 MaAntarctica
Naiper orogenyOrogeny4000 ± 200 MaAntarctica
Late Heavy Bombardment (concludes)Impact Event~4100 - ~3800 MaGlobal
First life (concludes)Evolutionary event~4280 - ~3500 MaGlobal


Overview of geological time

List all geological events
 
Mineral and/or Locality  
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