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
- J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 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
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view
There are 59 timescales which overlap this one. show
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 126710 collections
| International Chronostratigraphic Timescale | Ten Million Year Bins | Obsolete Names for ICS Units | Paleogene Mammal Ages of Asia | |||||
|---|---|---|---|---|---|---|---|---|
| 2.58 | ||||||||
| Paleogene | Oligocene | Chattian | Cenozoic 4 | Tertiary † | Tabenbulakian | Hsandagolian | 23.03 | |
| Rupelian | Kekeamuan | 27.82 | ||||||
| Eocene | Priabonian | Cenozoic 3 | Houldjinian/Ergilian/Ulangochuian | 33.9 | ||||
| Bartonian | Sharamurunian/Irdinmanhan/Arshantan | 37.71 | ||||||
| Lutetian | Cenozoic 2 | 41.2 | ||||||
| Ypresian | Bumbanian | 47.8 | ||||||
| Paleocene | Thanetian | Cenozoic 1 | Gashatan | 56 | ||||
| Selandian | 59.2 | |||||||
| Danian | 61.6 | |||||||
| 66 | ||||||||