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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  Mesoproterozoic
Classification:Period (as per International Commission on Stratigraphy)
Top:1000 Ma
Base:1200 Ma
Preceeds:Neoproterozoic Tonian
FGDC code:`
GSSP:Defined chronometrically
Narrow highly metamorphic belts due to orogeny as Rodinia forms. Late Ruker / Nimrod Orogeny in Antarctica possibly begins. Musgrave Orogeny (c. 1080 Ma), Musgrave Block, Central Australia.

Geologic Events

Event NameTypeAgeArea
Late Ruker / Nimrod orogenyOrogeny1000 ± 150 MaAntarctica
First sexual reproduction (concludes)Evolutionary event~1200 MaGlobal
Grenville orogeny (ongoing)Orogeny1250 - 980 MaNorthern America, Scotland
Sveconorwegian orogeny (concludes)Orogeny~1250 - ~900 MaEurope
Rodinia assembly (concludes)Continental Assembly~1300 - ~900 MaGlobal
Ur joins Rodinia (concludes)Continental Assembly~1300 - 1071 MaGlobal
Kibaran orogeny (concludes)Orogeny1400 - 1000 MaMid to Southern Africa
Great Oxygenation Event (concludes)Major Climatic Event~3500 - ~850 MaGlobal

Overview of geological time

List all geological events
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