GeoWhen Database  

Introduction

Geologic Timeline
(No Stages)

Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

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    4567.17 +/- 0.7 Ma: Hadean
               3800 Ma: Archean - Eoarchean
         3600 +/- 0 Ma:         - Paleoarchean
         3200 +/- 0 Ma:         - Mesoarchean
         2800 +/- 0 Ma:         - Neoarchean
         2500 +/- 0 Ma: Proterozoic - Paleoproterozoic - Siderian
         2300 +/- 0 Ma:             -                  - Rhyacian
         2050 +/- 0 Ma:             -                  - Orosirian
         1800 +/- 0 Ma:             -                  - Statherian
         1600 +/- 0 Ma:             - Mesoproterozoic - Calymmian
         1400 +/- 0 Ma:             -                 - Ectasian
         1200 +/- 0 Ma:             -                 - Stenian
         1000 +/- 0 Ma:             - Neoproterozoic - Tonian
          850 +/- 0 Ma:             -                - Cryogenian
         630 +5/-30 Ma:             -                - Ediacaran
        542 +/- 0.3 Ma: Phanerozoic - Paleozoic - Cambrian - Early Cambrian
          513 +/- 2 Ma:             -           -          - Middle Cambrian
          501 +/- 2 Ma:             -           -          - Late Cambrian
      488.3 +/- 1.7 Ma:             -           - Ordovician - Early Ordovician
      471.8 +/- 1.6 Ma:             -           -            - Middle Ordovician
      460.9 +/- 1.6 Ma:             -           -            - Late Ordovician
      443.7 +/- 1.5 Ma:             -           - Silurian - Early Silurian - Llandovery
      428.2 +/- 2.3 Ma:             -           -          -                - Wenlock
      422.9 +/- 2.5 Ma:             -           -          - Late Silurian - Ludlow
      418.7 +/- 2.7 Ma:             -           -          -               - Pridoli
        416 +/- 2.8 Ma:             -           - Devonian - Early Devonian
      397.5 +/- 2.7 Ma:             -           -          - Middle Devonian
      385.3 +/- 2.6 Ma:             -           -          - Late Devonian
      359.2 +/- 2.5 Ma:             -           - Carboniferous - Mississippian - Early Mississippian
      345.3 +/- 2.1 Ma:             -           -               -               - Middle Mississippian
      326.4 +/- 1.6 Ma:             -           -               -               - Late Mississippian
      318.1 +/- 1.3 Ma:             -           -               - Pennsylvanian - Early Pennsylvanian
      311.7 +/- 1.1 Ma:             -           -               -               - Middle Pennsylvanian
        306.5 +/- 1 Ma:             -           -               -               - Late Pennsylvanian
        299 +/- 0.8 Ma:             -           - Permian - Early Permian
      270.6 +/- 0.7 Ma:             -           -         - Middle Permian
      260.4 +/- 0.7 Ma:             -           -         - Late Permian
        251 +/- 0.4 Ma:             - Mesozoic - Triassic - Early Triassic
        245 +/- 1.5 Ma:             -          -          - Middle Triassic
          228 +/- 2 Ma:             -          -          - Late Triassic
      199.6 +/- 0.6 Ma:             -          - Jurassic - Early Jurassic
        175.6 +/- 2 Ma:             -          -          - Middle Jurassic
        161.2 +/- 4 Ma:             -          -          - Late Jurassic
        145.5 +/- 4 Ma:             -          - Cretaceous - Early Cretaceous
       99.6 +/- 0.9 Ma:             -          -            - Late Cretaceous
       65.5 +/- 0.3 Ma:             - Cenozoic - Paleogene - Paleocene - Early Paleocene
       61.7 +/- 0.2 Ma:             -          -           -           - Middle Paleocene
       58.7 +/- 0.2 Ma:             -          -           -           - Late Paleocene
       55.8 +/- 0.2 Ma:             -          -           - Eocene - Early Eocene
       48.6 +/- 0.2 Ma:             -          -           -        - Middle Eocene
       37.2 +/- 0.1 Ma:             -          -           -        - Late Eocene
       33.9 +/- 0.1 Ma:             -          -           - Oligocene - Early Oligocene
       28.4 +/- 0.1 Ma:             -          -           -           - Late Oligocene
     23.03 +/- 0.05 Ma:             -          - Neogene - Miocene - Early Miocene
     15.97 +/- 0.05 Ma:             -          -         -         - Middle Miocene
   11.608 +/- 0.005 Ma:             -          -         -         - Late Miocene
    5.332 +/- 0.005 Ma:             -          -         - Pliocene - Early Pliocene
      3.6 +/- 0.005 Ma:             -          -         -          - Late Pliocene
    1.806 +/- 0.005 Ma:             -          -         - Pleistocene
0.01143 +/- 0.00013 Ma:             -          -         - Holocene

Looking for the Tertiary / Quaternary? Read this.

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.