GeoWhen Database  

Introduction

Geologic Timeline
(No Stages)

Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

Download Files

  
                        Wasatchian North American Stage
 
                              From 55.5 To 50.5 Ma
 
 -- Overlaps With --
  Australian Stage:  Wangerripian (61.7 - 52)
  Australian Stage:  Johannian    (52 - 36)
  Californian Stage: Bulitian     (55.8 - 53)
  Californian Stage: Ulatisian    (51 - 48)
  New Zealand Stage: Mangaorapan  (52 - 50)
  New Zealand Stage: Waipawan     (56.5 - 52)
 
 -- A Substage of --
  Eon:              Phanerozoic  (542 - -5.5012e-005)
  Era:              Cenozoic     (65.5 - -5.5012e-005)
  Period:           Paleogene    (65.5 - 23.03)
  Epoch:            Eocene       (55.8 - 33.9)
  Sub-Epoch:        Early Eocene (55.8 - 48.6)
  ICS Stage:        Ypresian     (55.8 - 48.6)
  Informal Sub-era: Tertiary     (65.5 - 1.806)
 
 -- Preceeded By --
  North American Stage: Clarkforkian (56 - 55.5)
 
 -- Followed By --
  North American Stage: Bridgerian (50.5 - 45.4)
 
 -- Contains the Following Stages --
  Californian Stage: Penutian (53 - 51)
 

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.