GeoWhen Database  

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Geologic Timeline
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Geologic Timeline
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                                Paleocene Epoch
 
                      From 65.5 +/- 0.3 To 55.8 +/- 0.2 Ma
 
  Start Defined By:  Iridium Anomaly.  Associated with a major extinction 
     horizon (foraminifers, calcareous nannofossils, dinosaurs, etc.)
  End Defined By:  Base of negative carbon-isotope excursion.
 
  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:     Wangerripian (61.7 - 52)
  New Zealand Stage:    Waipawan     (56.5 - 52)
  North American Stage: Clarkforkian (56 - 55.5)
 
 -- A Substage of --
  Eon:              Phanerozoic (542 - -5.5012e-005)
  Era:              Cenozoic    (65.5 - -5.5012e-005)
  Period:           Paleogene   (65.5 - 23.03)
  Informal Sub-era: Tertiary    (65.5 - 1.806)
 
 -- Preceeded By --
  Era:            Mesozoic        (251 - 65.5)
  Period:         Cretaceous      (145.5 - 65.5)
  Epoch:          Late Cretaceous (99.6 - 65.5)
  ICS Stage:      Maastrichtian   (70.6 - 65.5)
  European Epoch: Senonian        (89.3 - 65.5)
  Japanese Stage: Hetonian        (77.1 - 65.5)
  Regional Stage: Rognacian       (68 - 65.5)
 
 -- Followed By --
  Epoch:             Eocene       (55.8 - 33.9)
  Sub-Epoch:         Early Eocene (55.8 - 48.6)
  ICS Stage:         Ypresian     (55.8 - 48.6)
  Californian Stage: Bulitian     (55.8 - 53)
 
 -- Contains the Following Sub-Epochs --
  Sub-Epoch: Early Paleocene  (65.5 - 61.7)
  Sub-Epoch: Middle Paleocene (61.7 - 58.7)
  Sub-Epoch: Late Paleocene   (58.7 - 55.8)
 

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.