GeoWhen Database  

Introduction

Geologic Timeline
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Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

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                            Tuvalian Regional Stage
 
                           From 225 To 216.5 +/- 2 Ma
 
  End Defined By:  Base of Klamathites macrolobatus or Stikinoceras kerri 
     ammonoid zones and the Metapolygnathus communisti or M. primitius conodont 
     zones.
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  Chinese Stage:     Bananian      (228 - 219)
  Chinese Stage:     Huobachengian (219 - 209)
  New Zealand Stage: Otamitan      (218 - 206)
 
 -- A Substage of --
  Eon:       Phanerozoic   (542 - -5.5012e-005)
  Era:       Mesozoic      (251 - 65.5)
  Period:    Triassic      (251 - 199.6)
  Epoch:     Late Triassic (228 - 199.6)
  ICS Stage: Carnian       (228 - 216.5)
 
 -- Preceeded By --
  New Zealand Stage: Kaihikuan (232 - 225)
  Regional Stage:    Julian    (228 - 225)
 
 -- Followed By --
  ICS Stage:      Norian   (216.5 - 203.6)
  Regional Stage: Lacinian (216.5 - 216)
 
 -- Contains the Following Stages --
  New Zealand Stage: Oretian (225 - 218)
 

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.