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    Late Pleistocene
    Middle Pleistocene
   Late Cretaceous
   Early Cretaceous
   Late Jurassic
   Middle Jurassic
   Early Jurassic
   Late Triassic
   Middle Triassic
   Early Triassic
   Late Devonian
   Middle Devonian
   Early Devonian
   Late Ordovician
   Middle Ordovician
   Early Ordovician
    Cambrian Stage 10
   Cambrian Series 3
    Cambrian Stage 5
   Cambrian Series 2
    Cambrian Stage 4
    Cambrian Stage 3
    Cambrian Stage 2
  Early Imbrian
  Basin Groups
Hierarchy:Precambrian Proterozoic  Paleoproterozoic
Classification:Period (as per International Commission on Stratigraphy)
Top:2050 Ma
Base:2300 Ma
GSSP:Defined chronometrically
Bushveld Igneous Complex forms. Huronian glaciation.

Geologic Events

Event NameTypeAgeArea
Columbia (Nuna) supercontinent assembly (begins)Continental Assembly2125 ± 125 - 1780 ± 70 MaGlobal
Eburnean orogeny (concludes)Orogeny~2200 - ~2000 MaWest Africa
Huronian glaciation (concludes)Glaciation Event~2400 - ~2100 MaGlobal
Great Oxygenation Event (concludes)Major Climatic Event~3500 - ~850 MaGlobal

Overview of geological time

List all geological events
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