GeoWhen Database  

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                              Oxfordian ICS Stage
 
                       From 161.2 +/- 4 To 155.7 +/- 4 Ma
 
  Start Defined By:  Ammonite, Brightia thuouxensis Horizon at base of the 
     Cardioceras scarburgense Subzone (Quenstedtoceras mariae Zone).
  End Defined By:  Ammonite, near base of Pictonia baylei ammonite zone of 
     Boreal realm.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  New Zealand Stage: Heterian (156 - 152)
 
 -- A Substage of --
  Eon:           Phanerozoic   (542 - -5.5012e-005)
  Era:           Mesozoic      (251 - 65.5)
  Period:        Jurassic      (199.6 - 145.5)
  Epoch:         Late Jurassic (161.2 - 145.5)
  Chinese Stage: Suiningian    (161.2 - 149)
 
 -- Preceeded By --
  Epoch:             Middle Jurassic (175.6 - 161.2)
  ICS Stage:         Callovian       (164.7 - 161.2)
  Chinese Stage:     Shaximioan      (167 - 161.2)
  New Zealand Stage: Temaikan        (169 - 161.2)
 
 -- Followed By --
  ICS Stage: Kimmeridgian (155.7 - 150.8)
 

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.