GeoWhen Database  

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                             Bananian Chinese Stage
 
                            From 228 +/- 2 To 219 Ma
 
  Start Defined By:  Near first occurrence of the ammonoids Daxatina or 
     Trachyceras, and of the conodont Metapolygnathus polygnathiformis.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  New Zealand Stage: Kaihikuan (232 - 225)
  New Zealand Stage: Oretian   (225 - 218)
  Regional Stage:    Tuvalian  (225 - 216.5)
 
 -- 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 --
  Epoch:          Middle Triassic (245 - 228)
  ICS Stage:      Ladinian        (237 - 228)
  Regional Stage: Longobardian    (231.4 - 228)
 
 -- Followed By --
  Chinese Stage: Huobachengian (219 - 209)
 
 -- Contains the Following Stages --
  Regional Stage: Julian (228 - 225)
 

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.