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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  Neoproterozoic
Classification:Period (as per International Commission on Stratigraphy)
Top:720 Ma
Base:1000 Ma
Follows:Mesoproterozoic Stenian
GSSP:Defined chronometrically
Rodinia supercontinent persists. Trace fossils of simple multi-celled eukaryotes. First radiation of dinoflagellate-like acritarchs. Grenville Orogeny tapers off in North America. Pan-African orogeny in Africa. Lake Ruker / Nimrod Orogeny in Antarctica, 1000 ± 150 Ma. Edmundian Orogeny (c. 920 – 850 Ma),Gascoyne Complex, Western Australia. Adelaide Geosyncline laid down on Australian continent, beginning of Adelaide Geosyncline (Delamerian Orogeny) in that continent.

Geologic Events

Event NameTypeAgeArea
Rodinia breakup (begins)Continental Breakup750 - 633 MaGlobal
Pannotia supercontinent (begins)Supercontinent750 - 530 MaGlobal
Pan-African orogeny (concludes)Orogeny~870 - ~550 MaAfrica
Zambezi Belt orogeny (early) (concludes)Orogeny~890 - ~880 MaZambia and Zimbabwe
Late Ruker / Nimrod orogenyOrogeny1000 ± 150 MaAntarctica
Grenville orogeny (concludes)Orogeny1250 - 980 MaNorthern America, Scotland
Sveconorwegian orogeny (concludes)Orogeny~1250 - ~900 MaEurope
Rodinia assembly (concludes)Continental Assembly~1300 - ~900 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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