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
- M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 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
- P. L. Gibbard, M. J. Head, and M. J. C. Walker. 2010. Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma. Journal of Quaternary Science 25(2):96-102 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 | Ordovician of North America | Cambrian of North America | Cambrian of China | Cambrian of West Avalonia | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
470 | ||||||||||||||
482 | ||||||||||||||
Cambrian | Furongian | Stage 10 | Ibexian | Skullrockian | Franconian †/Dresbachian/Millardan | Niuchehean | Taoyuanian † | 485.4 * | ||||||
Sunwaptan | 487.5 | |||||||||||||
Jiangshanian | Jiangshanian | 489.5 | ||||||||||||
Steptoean | 493 * | |||||||||||||
Paibian | Paibian | 494 | ||||||||||||
Waergangian †/Youshuanian | 494.9 * | |||||||||||||
Miaolingian | Guzhangian | Marjumian | Albertian † | Guzhangian | Wangcunian † | 497 | ||||||||
Arcadian | 498.4 | |||||||||||||
Drumian | Drumian | 500.5 | ||||||||||||
Wuliuan | Topazan | Wuliuan/Taijangian | 504.5 | |||||||||||
Delamaran | 506.5 | |||||||||||||
Series 2 | Stage 4 | Waucoban † | Duyunian | Branchian | 509 | |||||||||
Dyeran | 511 * | |||||||||||||
Stage 3 | Nangaoian | 514 | ||||||||||||
Montezuman | 514.8 * | |||||||||||||
Placentian | 517.1 | |||||||||||||
Begadean | 519.9 * | |||||||||||||
Terreneuvian | Stage 2 | Meishucunian | 521 | |||||||||||
Fortunian | 529 | |||||||||||||
Jinnigian | 530.7 | |||||||||||||
538.8 |