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Ectasian

Hierarchy:Precambrian Proterozoic  Mesoproterozoic
   Ectasian
Classification:Period (as per International Commission on Stratigraphy)
Top:1200 Ma
Base:1400 Ma
Preceeds:Stenian
Follows:Calymmian
FGDC code:~
GSSP:Defined chronometrically
Platform covers continue to expand. Green algae colonies in the seas. Grenville Orogeny in North America.
 

Geologic Events

Event NameTypeAgeArea
First sexual reproduction (concludes)Evolutionary event~1200 MaGlobal
Grenville orogeny (begins)Orogeny1250 - 980 MaNorthern America, Scotland
Sveconorwegian orogeny (concludes)Orogeny~1250 - ~900 MaEurope
Rodinia assembly (concludes)Continental Assembly~1300 - ~900 MaGlobal
Ur joins Rodinia (ongoing)Continental Assembly~1300 - 1071 MaGlobal
Kibaran orogeny (begins)Orogeny1400 - 1000 MaMid to Southern Africa
Columbia (Nuna) supercontinent breakup (concludes)Continental Breakup1425 ± 75 - 1250 ± 50 MaGlobal
Great Oxygenation Event (concludes)Major Climatic Event~3500 - ~850 MaGlobal


Overview of geological time

List all geological events
Mineral and/or Locality  
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