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Nephelean

Hierarchy:Chaotian Eochaotian
  Nephelean
Classification:Period (as per International Commission on Stratigraphy)
Status:This is a proposed period and is not yet approved by the ICS or the IUGS.
Top:~4730 Ma
Base:~5000 Ma
Preceeds:Erebrean
Proposed by NASA scientists at the Ames Research Center in 2010 to formalize terminology in the earliest stages of Earth's history.

This covers the period where the solar nebular is condensing.
 


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