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                              Messinian ICS Stage
 
                   From 7.246 +/- 0.005 To 5.332 +/- 0.005 Ma
 
  Start Defined By:  Middle of magnetic polarity chronozone C3Br.1r; lowest 
     regular occurrence of the Globorotalia conomiozea planktonic foraminifer 
     group.
  End Defined By:  Top of magnetic polarity chronozone C3r, ~100 kyr before 
     Thvera normal-polarity subchronozone (C3n.4n).  Calcareous nannofossils -- 
     near extinction level of Triquetrorhabdulus rugosus (base Zone CN10b) and 
     the lowest occurrence of Ceratolithus acutus.
 
  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:  Oued Akrech, Rabat, Morocco
 
 -- Overlaps With --
  New Zealand Stage: Tongaporutuan (10 - 6)
  New Zealand Stage: Kapitean      (6 - 4.8)
 
 -- A Substage of --
  Eon:                  Phanerozoic  (542 - -5.5012e-005)
  Era:                  Cenozoic     (65.5 - -5.5012e-005)
  Period:               Neogene      (23.03 - -5.5012e-005)
  Epoch:                Miocene      (23.03 - 5.332)
  Sub-Epoch:            Late Miocene (11.608 - 5.332)
  Australian Stage:     Mitchellian  (10.5 - 5)
  Californian Stage:    Delmontian   (7.5 - 2.9)
  Informal Sub-era:     Tertiary     (65.5 - 1.806)
  Japanese Stage:       Yuian        (9.5 - 3.6)
  North American Stage: Hemphillian  (9 - 4.75)
 
 -- Preceeded By --
  ICS Stage: Tortonian (11.608 - 7.246)
 
 -- Followed By --
  Epoch:     Pliocene       (5.332 - 1.806)
  Sub-Epoch: Early Pliocene (5.332 - 3.6)
  ICS Stage: Zanclean       (5.332 - 3.6)
 

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.