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
- 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 126668 collections
International Chronostratigraphic Timescale | Cambrian of China | Cambrian of West Avalonia | |||||
---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Niuchehean | Taoyuanian † | 485.4 | ||
Jiangshanian | Jiangshanian | 489.5 | |||||
Paibian | Paibian | 494 | |||||
Waergangian †/Youshuanian | 494.9 * | ||||||
Miaolingian | Guzhangian | Guzhangian | Wangcunian † | 497 | |||
Arcadian | 498.4 | ||||||
Drumian | Drumian | 500.5 | |||||
Wuliuan | Wuliuan/Taijangian | 504.5 | |||||
Series 2 | Stage 4 | Duyunian | Branchian | 509 | |||
Stage 3 | Nangaoian | 514 | |||||
Placentian | 517.1 | ||||||
Terreneuvian | Stage 2 | Meishucunian | 521 | ||||
Fortunian | 529 | ||||||
Jinnigian | 530.7 | ||||||
538.8 |