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                            Urakawan Japanese Stage
 
                           From 89.3 +/- 1 To 77.1 Ma
 
  Start Defined By:  Inoceramid bivalve, lowest occurrence of Cremnoceramus 
     rotundatus.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  ICS Stage:         Campanian    (83.5 - 70.6)
  New Zealand Stage: Mangaotanean (93 - 87)
  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 --
  ICS Stage:      Turonian  (93.5 - 89.3)
  European Epoch: Gallic    (130 - 89.3)
  Japanese Stage: Gyliakian (96.6 - 89.3)
 
 -- Followed By --
  Japanese Stage: Hetonian (77.1 - 65.5)
 
 -- Contains the Following Stages --
  ICS Stage:         Coniacian (89.3 - 85.8)
  ICS Stage:         Santonian (85.8 - 83.5)
  New Zealand Stage: Teratan   (87 - 83.5)
 

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.