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                             Burdigalian ICS Stage
 
                    From 20.43 +/- 0.05 To 15.97 +/- 0.05 Ma
 
  Start Defined By:  Near lowest occurrence of planktonic foraminifer 
     Globigerinoides altiaperturus or top of magnetic polarity chronozone C6An.
  End Defined By:  Near first occurrence of planktonic foraminifer Praeorbulina 
     glomerosa and top of magnetic polarity chronozone C5Cn.1n.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  Australian Stage:     Longfordian   (27.5 - 16.5)
  Australian Stage:     Batesfordian  (16.5 - 15.5)
  Californian Stage:    Saucesian     (22 - 16.5)
  Californian Stage:    Relizian      (16.5 - 15.5)
  New Zealand Stage:    Hutchinsonian (21 - 20)
  New Zealand Stage:    Cliffdenian   (16.5 - 15)
  North American Stage: Arikareean    (30.5 - 19)
  North American Stage: Hemingfordian (19 - 15.5)
 
 -- 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:        Early Miocene (23.03 - 15.97)
  Informal Sub-era: Tertiary      (65.5 - 1.806)
 
 -- Preceeded By --
  ICS Stage: Aquitanian (23.03 - 20.43)
 
 -- Followed By --
  Sub-Epoch:      Middle Miocene (15.97 - 11.608)
  ICS Stage:      Langhian       (15.97 - 13.65)
  Japanese Stage: Tozawan        (15.97 - 13.5)
 
 -- Contains the Following Stages --
  Japanese Stage:    Haranoyan (18.2 - 15.97)
  New Zealand Stage: Awamoan   (20 - 17.5)
  New Zealand Stage: Altonian  (17.5 - 16.5)
 

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.