Eochaotian
Eochaotian
Hierarchy: | Chaotian Eochaotian |
---|---|
Classification: | Era (as per International Commission on Stratigraphy) |
Status: | This is a proposed era and is not yet approved by the ICS or the IUGS. |
Top: | ~4680 Ma |
Base: | ~5000 Ma |
Preceeds: | Neochaotian Hyperitian |
Follows: | Prenephelean (Presolar) |
Primary Divisions: | ErebreanNephelean |
Proposed by NASA scientists at the Ames Research Center in 2010 to formalize terminology in the earliest stages of Earth's history.
The Eochaotian begins when the Solar Nebula became a closed system with respect to the rest of the giant molecular cloud and encompasses the agglomeration of the Solar System constituents from the nebula.
The Eochaotian begins when the Solar Nebula became a closed system with respect to the rest of the giant molecular cloud and encompasses the agglomeration of the Solar System constituents from the nebula.
Overview of geological time
List all geological events