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                             Tournaisian ICS Stage
                                  (Courceyan)
 
                     From 359.2 +/- 2.5 To 345.3 +/- 2.1 Ma
 
  Start Defined By:  Conodont, above lowest occurrence of Siphonodella sulcata.
  End Defined By:  Foraminifer, lineage Eoparastaffella simplex morphotype 1/
     morphotype 2.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
  Global Stratotype Section and Point:  La Serre, Montagne Noir, Cabrihres, 
     southern France
 
 -- Overlaps With --
  Chinese Stage:        Yanguan (349.5 - 345)
  North American Stage: Osagean (348 - 340)
 
 -- A Substage of --
  Eon:            Phanerozoic         (542 - -5.5012e-005)
  Era:            Paleozoic           (542 - 251)
  Period:         Carboniferous       (359.2 - 299)
  Epoch:          Mississippian       (359.2 - 318.1)
  Sub-Epoch:      Early Mississippian (359.2 - 345.3)
  European Epoch: Dinantian           (359.2 - 326.4)
 
 -- Preceeded By --
  Period:               Devonian      (416 - 359.2)
  Epoch:                Late Devonian (385.3 - 359.2)
  ICS Stage:            Famennian     (374.5 - 359.2)
  North American Stage: Chatauquan    (370 - 359.2)
 
 -- Followed By --
  Sub-Epoch:      Middle Mississippian (345.3 - 326.4)
  ICS Stage:      Visean               (345.3 - 326.4)
  Regional Stage: Chadian              (345.3 - 341)
 
 -- Contains the Following Stages --
  Chinese Stage:        Shaodongian   (359.2 - 349.5)
  North American Stage: Kinderhookian (359.2 - 348)
  Regional Stage:       Hastarian     (359.2 - 348)
  Regional Stage:       Ivorean       (348 - 345.3)
 

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

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2003-2005 GeoWhen Database
Prepared By Robert A. Rohde


This page was last updated on Tuesday, January 18, 2005.