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                           Bulitian Californian Stage
 
                           From 55.8 +/- 0.2 To 53 Ma
 
  Start Defined By:  Base of negative carbon-isotope excursion.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  North American Stage: Clarkforkian (56 - 55.5)
  North American Stage: Wasatchian   (55.5 - 50.5)
 
 -- 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:         Early Eocene (55.8 - 48.6)
  ICS Stage:         Ypresian     (55.8 - 48.6)
  Australian Stage:  Wangerripian (61.7 - 52)
  Informal Sub-era:  Tertiary     (65.5 - 1.806)
  New Zealand Stage: Waipawan     (56.5 - 52)
 
 -- Preceeded By --
  Epoch:             Paleocene      (65.5 - 55.8)
  Sub-Epoch:         Late Paleocene (58.7 - 55.8)
  ICS Stage:         Thanetian      (58.7 - 55.8)
  Californian Stage: Ynezian        (61.5 - 55.8)
 
 -- Followed By --
  Californian Stage: Penutian (53 - 51)
 

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.