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                            Rognacian Regional Stage
 
                           From 68 To 65.5 +/- 0.3 Ma
 
  End Defined By:  Iridium Anomaly.  Associated with a major extinction horizon 
     (foraminifers, calcareous nannofossils, dinosaurs, etc.)
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- A Substage of --
  Eon:            Phanerozoic     (542 - -5.5012e-005)
  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)
 
 -- Preceeded By --
  Regional Stage: Begudian (70.6 - 68)
 
 -- Followed By --
  Era:                  Cenozoic        (65.5 - -5.5012e-005)
  Period:               Paleogene       (65.5 - 23.03)
  Epoch:                Paleocene       (65.5 - 55.8)
  Sub-Epoch:            Early Paleocene (65.5 - 61.7)
  ICS Stage:            Danian          (65.5 - 61.7)
  Informal Sub-era:     Tertiary        (65.5 - 1.806)
  New Zealand Stage:    Teurian         (65.5 - 56.5)
  North American Stage: Puercan         (65.5 - 62.5)
 

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.