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
- 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
- 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, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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 127083 collections
International Chronostratigraphic Timescale | Carboniferous of Western Europe | Carboniferous of China | |||||||
---|---|---|---|---|---|---|---|---|---|
297.7 | |||||||||
Carboniferous | Pennsylvanian | Gzhelian | Kuzel | 298.9 | |||||
Xiaodushanian | 300 * | ||||||||
Stephanian | Stephanian C | 300.3 * | |||||||
Stephanian B | 300.9 * | ||||||||
Stephanian A | 301.4 * | ||||||||
Kasimovian | 303.7 | ||||||||
Cantabrian | 305 * | ||||||||
Dalaun | 305.8 * | ||||||||
Moscovian | 307 | ||||||||
Westphalian | Westphalian D | 307.4 * | |||||||
Westphalian C | 309.8 | ||||||||
Westphalian B | 314.6 | ||||||||
Bashkirian | 315.2 | ||||||||
Westphalian A | 317 * | ||||||||
Huashibanian | 318.5 * | ||||||||
Namurian | Yeadonian | 318.8 * | |||||||
Marsdenian | 320.2 * | ||||||||
Lousuan | 321.2 * | ||||||||
Kinderscoutian | 321.5 * | ||||||||
Alportian | 322 * | ||||||||
Chokierian | 323.1 * | ||||||||
Mississippian | Serpukhovian | Dewunian | 323.2 | ||||||
Arnsbergian | 324 * | ||||||||
Pendleian | 327.4 * | ||||||||
Shangsian | 330.8 * | ||||||||
Visean | Warnantian | Brigantian † | 330.9 | ||||||
Jiusian | 335 * | ||||||||
Livian | Asbian † | 336.3 * | |||||||
Moliniacian | Holkerian †/Arundian/Chadian | 340.2 * | |||||||
Tournaisian | Ivorian | Tangbagouan | 346.7 | ||||||
Hastarian | 353.7 * | ||||||||
358.9 |