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 the Baltic | Ordovician of China | Cambrian of North America | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ordovician | Late Ordovician | Hirnantian | Harju | Porkuni | Hirnantian | Xiaoxita †/Shikou | Wufeng † | 443.8 | |||||||
Katian | Pirgu | Chientangkiangian | 445.2 | ||||||||||||
Neichianshanian/Hanjiang | 449.5 | ||||||||||||||
Vormsi | 449.6 * | ||||||||||||||
Nabala | Johvi † | 450 * | |||||||||||||
Viru | Rakvere | 450.6 * | |||||||||||||
Oandu | 452 * | ||||||||||||||
Sandbian | Keila | Idavere † | 453 | ||||||||||||
Haljala | 453.9 | ||||||||||||||
Kukruse | 456.4 * | ||||||||||||||
Uhaku | Aluoja † | 457.5 * | |||||||||||||
Middle Ordovician | Darriwilian | Darriwilian | Guniu †/Hulo | 458.4 | |||||||||||
Lasnamagi | 458.9 * | ||||||||||||||
Aseri | 460.4 * | ||||||||||||||
Oeland | Kunda | 462.9 * | |||||||||||||
Valaste †/Hunderum | 464.3 * | ||||||||||||||
Hunjiang † | Dawan †/Daobaowan/Ningkuo | 466.3 * | |||||||||||||
Volkhov | Langevoja †/Vaana/Saka | 467.1 * | |||||||||||||
Dapingian | Dapingian | 467.3 | |||||||||||||
Billingen | 469.3 * | ||||||||||||||
Early Ordovician | Floian | Yiyangian | 470 | ||||||||||||
Latorp † | 470.1 * | ||||||||||||||
Hunneberg | 473.7 * | ||||||||||||||
Tremadocian | Xinchangian | 477.7 | |||||||||||||
Lianghekou † | 477.9 * | ||||||||||||||
Varangu | 481.3 * | ||||||||||||||
Pakerort | 482.2 * | ||||||||||||||
Mansian † | 483.55 * | ||||||||||||||
Cambrian | Furongian | Stage 10 | Batyrbaian | Tavgian † | Ketyan †/Yurakian | Franconian †/Dresbachian/Millardan | 485.4 | ||||||||
486.3 * | |||||||||||||||
486.5 | |||||||||||||||
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 |