International Chronostratigraphic Timescale
The interval definitions in this timescale are derived from the following sources:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
- 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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) view
There are 59 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 126130 collections
| International Chronostratigraphic Timescale | Cambrian of Kazakhstan | Ten Million Year Bins | Cambrian of North America | Cambrian of China | Cambrian of West Avalonia | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cambrian | Furongian | Stage 10 | Batyrbaian | Cambrian 5 | Franconian †/Dresbachian/Millardan | Niuchehean | Taoyuanian † | 485.4 | |||||
| Sunwaptan | 487.5 | ||||||||||||
| Jiangshanian | Jiangshanian | 489.5 | |||||||||||
| Aksaian | 490.7 * | ||||||||||||
| Sakian | 492.2 * | ||||||||||||
| Steptoean | 493 * | ||||||||||||
| Paibian | Paibian | 494 | |||||||||||
| Waergangian †/Youshuanian | 494.9 * | ||||||||||||
| Miaolingian | Guzhangian | Ayusokkanian | Cambrian 4 | Marjumian | Albertian † | Guzhangian | Wangcunian † | 497 | |||||
| Arcadian | 498.4 | ||||||||||||
| 499.5 | |||||||||||||
| Drumian | Zhanaarykian | Drumian | 500.5 | ||||||||||
| Tuesaian | 503 | ||||||||||||
| Wuliuan | Cambrian 3 | Topazan | Wuliuan/Taijangian | 504.5 | |||||||||
| 505.3 | |||||||||||||
| Delamaran | 506.5 | ||||||||||||
| Series 2 | Stage 4 | Waucoban † | Duyunian | Branchian | 509 | ||||||||
| Toyonian | 510 * | ||||||||||||
| Dyeran | 511 * | ||||||||||||
| Botomian | 512.5 * | ||||||||||||
| Stage 3 | Cambrian 2 | Nangaoian | 514 | ||||||||||
| Montezuman | 514.8 * | ||||||||||||
| Atdabanian | 515.6 * | ||||||||||||
| Placentian | 517.1 | ||||||||||||
| Begadean | 519.9 * | ||||||||||||
| Terreneuvian | Stage 2 | Tommotian | Meishucunian | 521 | |||||||||
| 525.5 | |||||||||||||
| Fortunian | Cambrian 1 | 529 | |||||||||||
| Jinnigian | 530.7 | ||||||||||||
| 538.8 | |||||||||||||