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
- M. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 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
- 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
- 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 126144 collections
International Chronostratigraphic Timescale | Cambrian of Siberia | Cambrian of North America | Cambrian of China | Cambrian of West Avalonia | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cambrian | Furongian | Stage 10 | Batyrbaian | Tavgian † | Ketyan †/Yurakian | 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 | |||||||||||||
Ensyan †/Maduan/Nganasanian | 494.7 * | ||||||||||||||
Waergangian †/Youshuanian | 494.9 * | ||||||||||||||
Miaolingian | Guzhangian | Ayusokkanian | Marjumian | Albertian † | Guzhangian | Wangcunian † | 497 | ||||||||
Arcadian | 498.4 | ||||||||||||||
Mayan/Menevian | 499.5 | ||||||||||||||
Drumian | Drumian | 500.5 | |||||||||||||
Wuliuan | Amgan/Solvan | Topazan | Wuliuan/Taijangian | 504.5 | |||||||||||
Delamaran | 506.5 | ||||||||||||||
Series 2 | Stage 4 | Waucoban † | Duyunian | Branchian | 509 | ||||||||||
Toyonian | Lenian † | 510 * | |||||||||||||
Dyeran | 511 * | ||||||||||||||
Botomian | 512.5 * | ||||||||||||||
Stage 3 | Nangaoian | 514 | |||||||||||||
Montezuman | 514.8 * | ||||||||||||||
Atdabanian | 515.6 * | ||||||||||||||
Placentian | 517.1 | ||||||||||||||
Begadean | 519.9 * | ||||||||||||||
Terreneuvian | Stage 2 | Tommotian | Meishucunian | 521 | |||||||||||
Nemakit-Daldynian | 525.5 | ||||||||||||||
Fortunian | Manykaian † | 529 | |||||||||||||
Jinnigian | 530.7 | ||||||||||||||
538.8 |