Silurian of England
The interval definitions in this timescale are derived from the following sources:
- W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
There are 5 timescales which overlap this one. show
Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.
This timescale is used in the definition of 22 collections
International Chronostratigraphic Timescale | Silurian of England | Silurian of North America | Silurian Ages of Europe | ||||||
---|---|---|---|---|---|---|---|---|---|
Silurian | Pridoli | Red Downtonian/Temeside Shales/Downton Castle | Whitcliffe/Leintwardine | Cayugan | 419.2 | ||||
Bringewood/Elton | 421.3 | ||||||||
Niagaran | 422.5 * | ||||||||
Ludlow | Ludfordian | Coalbrookdale | Wenlock (England)/Tickwood | 423 | |||||
Gorstian | 425.6 | ||||||||
Buildwas | 426.4 * | ||||||||
Wenlock | Homerian | Lockportian | Gleedonian | 427.4 | |||||
Wych | Woolhope | 428.4 * | |||||||
Whitwellian | 429.7 * | ||||||||
Sheinwoodian | 430.5 | ||||||||
Llandovery | Telychian | Ontarian | 433.4 | ||||||
436.3 * | |||||||||
Aeronian | 438.5 | ||||||||
Alexandrian | 438.7 * | ||||||||
Cowleigh Park | 439.3 * | ||||||||
Medinan | Clinton | 440.1 * | |||||||
440.7 * | |||||||||
Rhuddanian | 440.8 | ||||||||
443.8 |