Sarka age
467.3 - 461.7 Ma
The definition of this interval in the timescale Ordovician of Ibero-Bohemia is taken from the following source:
- 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
The top age has 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.
There are intervals in 6 timescales which overlap this one. show
This interval is no longer in current use
This interval is used in the definition of 11 collections
A total of 1303 collections with 6953 occurrences lie within this time span
| International Chronostratigraphic Timescale | Ordovician of Ibero-Bohemia | Ordovician of China | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ordovician | Late Ordovician | Hirnantian | Kosovian | Hirnantian | Xiaoxita †/Shikou | Wufeng † | 443.8 | |||
| Katian | Kralodvorian | Bohdalec † | Chientangkiangian | 445.2 | ||||||
| Neichianshanian/Hanjiang | 449.5 | |||||||||
| Berounian | 449.7 * | |||||||||
| Sandbian | 453 | |||||||||
| Zahorany †/Vinice | Letna † | 456.2 * | ||||||||
| Liben † | 458 * | |||||||||
| Middle Ordovician | Darriwilian | Darriwilian | Guniu †/Hulo | 458.4 | ||||||
| Dobrotivian | 458.5 * | |||||||||
| Oretanian | 459.7 * | |||||||||
| Sarka † | 461.7 * | |||||||||
| Hunjiang † | Dawan †/Daobaowan/Ningkuo | 466.3 * | ||||||||
| Dapingian | Klabava † | Dapingian | 467.3 | |||||||
| Arenigian | 468 | |||||||||
| Early Ordovician | Floian | Yiyangian | 470 | |||||||
| Tremadocian | Tremadocian | Xinchangian | 477.7 | |||||||
| Lianghekou † | 477.9 * | |||||||||
| 485.4 | ||||||||||