GeoWhen Database  

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                                 Eoarchean Era
 
                           From 3800 To 3600 +/- 0 Ma
 
  End Defined By:  Fixed Date
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
  Comment:  Base of the Eoarchean is not formally defined by the ICS.
 
 -- A Substage of --
  Time:                Precambrian (4567.17 - 542)
  Eon:                 Archean     (3800 - 2500)
  Chinese Stage:       Qianxin     (3800 - 3400)
  European Stage:      Isuan       (3800 - 3500)
  South African Stage: Swazian     (4000 - 3000)
 
 -- Preceeded By --
  Eon:           Hadean        (4567.17 - 3800)
  General Stage: Early Imbrian (3900 - 3800)
 
 -- Followed By --
  Era: Paleoarchean (3600 - 3200)
 

This page was automatically generated from the GeoWhen database (version 1.1.0).  Please read the introduction regarding the accuracy and reliability of this information.  Comments, corrections, and additions can be sent to geowhen@robertrohde.com.  References to published academic literature are preferred.

Introduction

Geologic Timeline
(No Stages)

Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

Download Files


2003-2005 GeoWhen Database
Prepared By Robert A. Rohde


This page was last updated on Tuesday, January 18, 2005.