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Early Imbrian

Hierarchy:Precambrian Hadean
  Early Imbrian
Classification:Era (as per International Commission on Stratigraphy)
Top:4000 Ma
Base:~4100 Ma
Preceeds:Archean Eoarchean
Follows:Nectarian
Indirect photosynthetic evidence (e.g., kerogen) of primordial life. This era overlaps the beginning of the Late Heavy Bombardment of the Inner Solar System. Oldest known rock (4030 Ma).
 

Geologic Events

Event NameTypeAgeArea
Naiper orogenyOrogeny4000 ± 200 MaAntarctica
Late Heavy Bombardment (concludes)Impact Event~4100 - ~3800 MaGlobal
First life (concludes)Evolutionary event~4280 - ~3500 MaGlobal


Overview of geological time

List all geological events
 
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