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Stenian

Hierarchy:Precambrian Proterozoic  Mesoproterozoic
   Stenian
Classification:Period (as per International Commission on Stratigraphy)
Top:1000 Ma
Base:1200 Ma
Preceeds:Neoproterozoic Tonian
Follows:Ectasian
FGDC code:`
GSSP:Defined chronometrically
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
BacteriaCyanobacteria Cyanophyceae1
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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