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                            Changhsingian ICS Stage
             (Dorashamian, Dewey Lake, Changxingian, Changshingian)
 
                      From 253.8 +/- 0.7 To 251 +/- 0.4 Ma
 
  Start Defined By:  Near lowest occurrence of conodont Clarkina wangi.
  End Defined By:  Conodont, lowest occurrence of Hindeodus parvus; termination 
     of major negative carbon-isotope excursion.  About 1 myr after peak of 
     Late Permian extinctions.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- A Substage of --
  Eon:                  Phanerozoic  (542 - -5.5012e-005)
  Era:                  Paleozoic    (542 - 251)
  Period:               Permian      (299 - 251)
  Epoch:                Late Permian (260.4 - 251)
  North American Stage: Ochoan       (260.4 - 251)
  Regional Stage:       Thuringian   (270.6 - 251)
 
 -- Preceeded By --
  ICS Stage:         Wuchiapingian (260.4 - 253.8)
  New Zealand Stage: Waiitian      (260.4 - 253.8)
 
 -- Followed By --
  Era:            Mesozoic       (251 - 65.5)
  Period:         Triassic       (251 - 199.6)
  Epoch:          Early Triassic (251 - 245)
  ICS Stage:      Induan         (251 - 249.7)
  Regional Stage: Griesbachian   (251 - 250.4)
 
 -- Contains the Following Stages --
  New Zealand Stage: Makabewan (253.8 - 251)
 

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.