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                             Caradoc General Stage
                            (Trentonian, Caradocian)
 
                          From 460.9 +/- 1.6 To 449 Ma
 
  Start Defined By:  Graptolite, lowest occurrence of Nemagraptus gracilis.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein and Ogg, "A Phanerozoic time scale", _Episodes_, 
     v.19, no.1&2., 1996.
 
 -- Overlaps With --
  ICS Stage:            Ordovician VI (455.8 - 445.6)
  Australian Stage:     Bolindian     (450 - 443.7)
  North American Stage: Mohawkian     (462 - 451)
  North American Stage: Cincinnatian  (451 - 443.7)
  Regional Stage:       Mayvillian    (453 - 447.5)
 
 -- A Substage of --
  Eon:    Phanerozoic     (542 - -5.5012e-005)
  Era:    Paleozoic       (542 - 251)
  Period: Ordovician      (488.3 - 443.7)
  Epoch:  Late Ordovician (460.9 - 443.7)
 
 -- Preceeded By --
  Epoch:         Middle Ordovician (471.8 - 460.9)
  ICS Stage:     Darriwilian       (468.1 - 460.9)
  General Stage: Llandeilo         (464 - 460.9)
 
 -- Followed By --
  European Stage: Pusgillian  (449 - 447.5)
  General Stage:  Ashgill     (449 - 443.7)
  Regional Stage: Richmondian (449 - 445.6)
 
 -- Contains the Following Stages --
  ICS Stage:        Ordovician V  (460.9 - 455.8)
  Australian Stage: Eastonian     (456 - 450)
  Australian Stage: Gisbornian    (460.9 - 456)
  Chinese Stage:    Baotan        (460.9 - 454.5)
  Chinese Stage:    Linxiangian   (454.5 - 449)
  European Stage:   Aurelucian    (460.9 - 457)
  European Stage:   Burrellian    (457 - 455)
  European Stage:   Cheneyan      (455 - 452)
  European Stage:   Streffordian  (452 - 449)
  Regional Stage:   Costonian     (460.9 - 459)
  Regional Stage:   Harnagian     (459 - 458)
  Regional Stage:   Soudleyan     (458 - 457)
  Regional Stage:   Shermanian    (457 - 454)
  Regional Stage:   Longvillian   (457 - 455)
  Regional Stage:   Marshbrookian (455 - 454)
  Regional Stage:   Edenian       (454 - 449)
  Regional Stage:   Actonian      (454 - 453)
  Regional Stage:   Onnian        (453 - 449)
 

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.