GeoWhen Database  

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Geologic Timeline
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Geologic Timeline
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                        Chadronian North American Stage
 
                               From 37 To 33.5 Ma
 
 -- Overlaps With --
  Epoch:             Eocene          (55.8 - 33.9)
  Epoch:             Oligocene       (33.9 - 23.03)
  Sub-Epoch:         Late Eocene     (37.2 - 33.9)
  Sub-Epoch:         Early Oligocene (33.9 - 28.4)
  ICS Stage:         Priabonian      (37.2 - 33.9)
  ICS Stage:         Rupelian        (33.9 - 28.4)
  Australian Stage:  Johannian       (52 - 36)
  Australian Stage:  Aldingian       (36 - 33)
  Californian Stage: Narizian        (48 - 35)
  New Zealand Stage: Whaingaroan     (33.9 - 28)
 
 -- A Substage of --
  Eon:              Phanerozoic (542 - -5.5012e-005)
  Era:              Cenozoic    (65.5 - -5.5012e-005)
  Period:           Paleogene   (65.5 - 23.03)
  Informal Sub-era: Tertiary    (65.5 - 1.806)
 
 -- Preceeded By --
  North American Stage: Duchesnean (40 - 37)
 
 -- Followed By --
  Californian Stage:    Zemorrian (33.5 - 22)
  North American Stage: Orellan   (33.5 - 32)
 
 -- Contains the Following Stages --
  Californian Stage: Refugian (35 - 33.5)
 

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.