GeoWhen Database  

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                              Priabonian ICS Stage
                             (Jacksonian, Runangan)
 
                      From 37.2 +/- 0.1 To 33.9 +/- 0.1 Ma
 
  Start Defined By:  Near lowest occurrence of calcareous nannofossil 
     Chiasmolithus oamaruensis (base Zone NP18).
  End Defined By:  Planktonic foraminifer, extinction of Hantkenina.
 
  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:     Johannian  (52 - 36)
  Australian Stage:     Aldingian  (36 - 33)
  Californian Stage:    Narizian   (48 - 35)
  Californian Stage:    Refugian   (35 - 33.5)
  North American Stage: Duchesnean (40 - 37)
  North American Stage: Chadronian (37 - 33.5)
 
 -- A Substage of --
  Eon:              Phanerozoic (542 - -5.5012e-005)
  Era:              Cenozoic    (65.5 - -5.5012e-005)
  Period:           Paleogene   (65.5 - 23.03)
  Epoch:            Eocene      (55.8 - 33.9)
  Sub-Epoch:        Late Eocene (37.2 - 33.9)
  Informal Sub-era: Tertiary    (65.5 - 1.806)
 
 -- Preceeded By --
  Sub-Epoch:         Middle Eocene (48.6 - 37.2)
  ICS Stage:         Bartonian     (40.4 - 37.2)
  New Zealand Stage: Kiaitan       (40 - 37.2)
 
 -- Followed By --
  Epoch:             Oligocene       (33.9 - 23.03)
  Sub-Epoch:         Early Oligocene (33.9 - 28.4)
  ICS Stage:         Rupelian        (33.9 - 28.4)
  New Zealand Stage: Whaingaroan     (33.9 - 28)
 

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.