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                        Desmoinian North American Stage
                                 (Desmoinesian)
 
                           From 308 To 306.5 +/- 1 Ma
 
  End Defined By:  Near base of Obsoletes obsoletes and Protriticites 
     pseudomontiparus fusulinid zone, or lowest occurrence of Parashumardites 
     ammonoid.
 
  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:         Carboniferous        (359.2 - 299)
  Epoch:          Pennsylvanian        (318.1 - 299)
  Sub-Epoch:      Middle Pennsylvanian (311.7 - 306.5)
  ICS Stage:      Moscovian            (311.7 - 306.5)
  Chinese Stage:  Mapingian            (310 - 299)
  European Epoch: Silesian             (326.4 - 299)
  European Stage: Westphalian          (315 - 306.5)
 
 -- Preceeded By --
  North American Stage: Atokan/Derryan (311.7 - 308)
  Russian Stage:        Kashirskian    (309.2 - 308)
 
 -- Followed By --
  Sub-Epoch:            Late Pennsylvanian (306.5 - 299)
  ICS Stage:            Kasimovian         (306.5 - 303.9)
  European Stage:       Stephanian         (306.5 - 299)
  North American Stage: Missourian         (306.5 - 305)
  Russian Stage:        Krevyakinskian     (306.5 - 306)
 
 -- Contains the Following Stages --
  Russian Stage: Podolskian    (308 - 307.2)
  Russian Stage: Myachkovskian (307.2 - 306.5)
 

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.