Cambrian of Siberia
The interval definitions in this timescale are derived from the following sources:
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
- 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
- D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view
There are 15 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.
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 2287 collections
International Chronostratigraphic Timescale | Cambrian of Siberia | Ordovician of China | Cambrian of North America | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Ordovician | Late Ordovician | Hirnantian | Hirnantian | Xiaoxita †/Shikou | Wufeng † | 443.8 | |||||
Katian | Chientangkiangian | 445.2 | |||||||||
Neichianshanian/Hanjiang | 449.5 | ||||||||||
Sandbian | 453 | ||||||||||
Middle Ordovician | Darriwilian | Darriwilian | Guniu †/Hulo | 458.4 | |||||||
Hunjiang † | Dawan †/Daobaowan/Ningkuo | 466.3 * | |||||||||
Dapingian | Dapingian | 467.3 | |||||||||
Early Ordovician | Floian | Yiyangian | 470 | ||||||||
Tremadocian | Xinchangian | 477.7 | |||||||||
Lianghekou † | 477.9 * | ||||||||||
Mansian † | 483.55 * | ||||||||||
Cambrian | Furongian | Stage 10 | Batyrbaian | Tavgian † | Ketyan †/Yurakian | Franconian †/Dresbachian/Millardan | 485.4 | ||||
Sunwaptan | 487.5 | ||||||||||
Jiangshanian | 489.5 | ||||||||||
Aksaian | 490.7 * | ||||||||||
Sakian | 492.2 * | ||||||||||
Steptoean | 493 * | ||||||||||
Paibian | 494 | ||||||||||
Ensyan †/Maduan/Nganasanian | 494.7 * | ||||||||||
Miaolingian | Guzhangian | Ayusokkanian | Marjumian | Albertian † | 497 | ||||||
Mayan/Menevian | 499.5 | ||||||||||
Drumian | 500.5 | ||||||||||
Wuliuan | Amgan/Solvan | Topazan | 504.5 | ||||||||
Delamaran | 506.5 | ||||||||||
Series 2 | Stage 4 | Waucoban † | 509 | ||||||||
Toyonian | Lenian † | 510 * | |||||||||
Dyeran | 511 * | ||||||||||
Botomian | 512.5 * | ||||||||||
Stage 3 | 514 | ||||||||||
Montezuman | 514.8 * | ||||||||||
Atdabanian | 515.6 * | ||||||||||
Begadean | 519.9 * | ||||||||||
Terreneuvian | Stage 2 | Tommotian | 521 | ||||||||
Nemakit-Daldynian | 525.5 | ||||||||||
Fortunian | Manykaian † | 529 | |||||||||
538.8 |