GeoWhen Database  

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Geologic Timeline
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Geologic Timeline
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                          Orellan North American Stage
 
                               From 33.5 To 32 Ma
 
 -- Overlaps With --
  Australian Stage: Aldingian (36 - 33)
 
 -- A Substage of --
  Eon:               Phanerozoic     (542 - -5.5012e-005)
  Era:               Cenozoic        (65.5 - -5.5012e-005)
  Period:            Paleogene       (65.5 - 23.03)
  Epoch:             Oligocene       (33.9 - 23.03)
  Sub-Epoch:         Early Oligocene (33.9 - 28.4)
  ICS Stage:         Rupelian        (33.9 - 28.4)
  Californian Stage: Zemorrian       (33.5 - 22)
  Informal Sub-era:  Tertiary        (65.5 - 1.806)
  New Zealand Stage: Whaingaroan     (33.9 - 28)
 
 -- Preceeded By --
  Californian Stage:    Refugian   (35 - 33.5)
  North American Stage: Chadronian (37 - 33.5)
 
 -- Followed By --
  North American Stage: Whitneyan (32 - 30.5)
 

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.