Stephen E. Jones

Projects: The Geological Timescale: Precambrian Era

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The Geological Timescale
PRECAMBRIAN ERA (4560-570 mya)

Era

Sub-Era

Period

Epoch

Stage/
Age

Start
(mya)

Major
Events

Palaeozoic

Cambrian

Caerfai

Tommotian

570.0

 

Precambrian

 

 

 

Proterozoic

 

 

Sinian

 

Vendian

Ediacara

Poundian

580

 

Wonokan

590

 

Varanger

Mortensnes

600

 

Smalfjord

610

 

Sturtian

825

 

 

Riphean

Karatau

1100

 

Yurmatian

1375

 

Burzyan

1675

 

Animikean

2225

 

Huronian

2475

 

 

Archaean

Randian

2825

 

Swazian

3525

 

Isuan

3875

 

 

Priscoan

 

Hadean

Early Imbrian

3900

 

Nectarian

3975

 

Basin Groups

4150

 

Cryptic

4560

 
Sources:
Harland W.B., et al., "A Geologic Time Scale 1989," Cambridge University Press: Cambridge UK, Revised Edition, 1990.
Allaby A. & Allaby M., eds, "A Dictionary of Earth Sciences," [1990], Oxford University Press: Oxford UK, Second Edition, 1999.

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Copyright © 2000-2003, by Stephen E. Jones. All rights reserved. This page and its contents may be used for non-commercial purposes only.
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Created: 20 March, 2000. Updated: 15 July, 2003.