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
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 126161 collections
International Chronostratigraphic Timescale | Cambrian of Australia | Cambrian of West Avalonia | Cambrian Epochs | Cambrian of China | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Datsonian | Late Cambrian | Niuchehean | Taoyuanian † | 485.4 | ||||
Payntonian | 486.8 * | ||||||||||
Jiangshanian | Iverian | Jiangshanian | 489.5 | ||||||||
Paibian | Idamean | Paibian | 494 | ||||||||
Waergangian †/Youshuanian | 494.9 * | ||||||||||
Miaolingian | Guzhangian | Mindyallan | Middle Cambrian | Guzhangian | Wangcunian † | 497 | |||||
Arcadian | 498.4 | ||||||||||
Boomerangian | 499 | ||||||||||
Drumian | Undillan | Drumian | 500.5 | ||||||||
Floran | 503 | ||||||||||
Wuliuan | Templetonian | Wuliuan/Taijangian | 504.5 | ||||||||
Ordian | 507.8 * | ||||||||||
Series 2 | Stage 4 | Branchian | Early Cambrian | Duyunian | 509 | ||||||
510.8 * | |||||||||||
Stage 3 | Nangaoian | 514 | |||||||||
Placentian | 517.1 | ||||||||||
Terreneuvian | Stage 2 | Meishucunian | 521 | ||||||||
Fortunian | 529 | ||||||||||
Jinnigian | 530.7 | ||||||||||
538.8 |