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                            Hetonian Japanese Stage
 
                          From 77.1 To 65.5 +/- 0.3 Ma
 
  End Defined By:  Iridium Anomaly.  Associated with a major extinction horizon 
     (foraminifers, calcareous nannofossils, dinosaurs, etc.)
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  ICS Stage:      Campanian  (83.5 - 70.6)
  Regional Stage: Valdonnian (83.5 - 77)
 
 -- A Substage of --
  Eon:            Phanerozoic     (542 - -5.5012e-005)
  Era:            Mesozoic        (251 - 65.5)
  Period:         Cretaceous      (145.5 - 65.5)
  Epoch:          Late Cretaceous (99.6 - 65.5)
  European Epoch: Senonian        (89.3 - 65.5)
 
 -- Preceeded By --
  Japanese Stage: Urakawan (89.3 - 77.1)
 
 -- Followed By --
  Era:                  Cenozoic        (65.5 - -5.5012e-005)
  Period:               Paleogene       (65.5 - 23.03)
  Epoch:                Paleocene       (65.5 - 55.8)
  Sub-Epoch:            Early Paleocene (65.5 - 61.7)
  ICS Stage:            Danian          (65.5 - 61.7)
  Informal Sub-era:     Tertiary        (65.5 - 1.806)
  New Zealand Stage:    Teurian         (65.5 - 56.5)
  North American Stage: Puercan         (65.5 - 62.5)
 
 -- Contains the Following Stages --
  ICS Stage:      Maastrichtian (70.6 - 65.5)
  Regional Stage: Fuvelian      (77 - 70.6)
  Regional Stage: Begudian      (70.6 - 68)
  Regional Stage: Rognacian     (68 - 65.5)
 

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.