Cambrian of Kazakhstan
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
- 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 30 collections
International Chronostratigraphic Timescale | Cambrian of Kazakhstan | Ordovician of China | Ordovician of Australia | |||||
---|---|---|---|---|---|---|---|---|
Ordovician | Late Ordovician | Hirnantian | Hirnantian | Xiaoxita †/Shikou | Wufeng † | Bolindian | 443.8 | |
Katian | Chientangkiangian | 445.2 | ||||||
Eastonian | 449 * | |||||||
Neichianshanian/Hanjiang | 449.5 | |||||||
Gisbornian | 452 * | |||||||
Sandbian | 453 | |||||||
Middle Ordovician | Darriwilian | Darriwilian | Guniu †/Hulo | Darriwilian | 458.4 | |||
Hunjiang † | Dawan †/Daobaowan/Ningkuo | 466.3 * | ||||||
Dapingian | Dapingian | Yapeenian | 467.3 | |||||
Castlemainian | 468.5 * | |||||||
Early Ordovician | Floian | Yiyangian | Chewtonian | 470 | ||||
Bendigonian | 471.8 * | |||||||
Lancefieldian | 473.5 * | |||||||
Tremadocian | Ungurian | Xinchangian | 477.7 | |||||
Lianghekou † | 477.9 * | |||||||
Warendian | 482.8 * | |||||||
Cambrian | Furongian | Stage 10 | Batyrbaian | 485.4 | ||||
Jiangshanian | 489.5 | |||||||
Aksaian | 490.7 * | |||||||
Sakian | 492.2 * | |||||||
Paibian | 494 | |||||||
Miaolingian | Guzhangian | Ayusokkanian | 497 | |||||
499.5 | ||||||||
Drumian | Zhanaarykian | 500.5 | ||||||
Tuesaian | 503 | |||||||
Wuliuan | 504.5 | |||||||
505.3 | ||||||||
Series 2 | Stage 4 | 509 | ||||||
Toyonian | 510 * | |||||||
Botomian | 512.5 * | |||||||
Stage 3 | 514 | |||||||
Atdabanian | 515.6 * | |||||||
Terreneuvian | Stage 2 | Tommotian | 521 | |||||
525.5 |