After International Comission on Stratigraphy, 2004
Period |
Epoch |
Age |
ended: |
becan: |
|---|---|---|---|---|
S |
Pridoli | 416.0 ± 2.8 Ma | 418.7 ± 2.7 Ma | |
Lüdlow |
Ludfordian |
418.7 ± 2.7 Ma | 421.3 ± 2.6 Ma | |
Gorstian |
421.3 ± 2.6 Ma | 422.9 ± 2.5 Ma | ||
Wenlock |
Homerian |
422.9 ± 2.5 Ma | 426.2 ± 2.4 Ma | |
Sheinwoodian |
426.2 ± 2.4 Ma | 428.2 ± 2.3 Ma | ||
Llandovery |
Telychian |
428.2 ± 2.3 Ma | 436.0 ± 1.9 Ma | |
Aeronian |
436.0 ± 1.9 Ma | 439.0 ± 1.8 Ma | ||
Rhuddanian |
439.0 ± 1.8 Ma | 443.7 ± 1.5 Ma |
Reference(s):
- International Commission on Stratigraphy: 2004: International Stratigraphic Chart.
–International Union of Geological Sciences: International Commission on Stratigraphy, Paris, 2003
[http://www.stratigraphy.org/]