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. 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
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
- 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
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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
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 126163 collections
International Chronostratigraphic Timescale | Permian-Jurassic of New Zealand | Ammonite Chrons of Northwest Europe | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jurassic | Late Jurassic | Tithonian | Oteke | Puaroan | 145 | ||||||||
Kimmeridgian | 149.2 | ||||||||||||
Kawhia | Ohauan | 150 | |||||||||||
Heterian | 154.5 | ||||||||||||
Oxfordian | 154.8 | ||||||||||||
Middle Jurassic | Callovian | 161.5 | |||||||||||
Temaikan | 164.3 | ||||||||||||
Bathonian | 165.3 | ||||||||||||
Bajocian | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | |||||||||||
Humphresianum | 168.4 | ||||||||||||
Aalenian | Concavum/Murchisonae/Opalinum | 170.9 | |||||||||||
Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | |||||||||
Herangi | Ururoan | 176 | |||||||||||
180.1 | |||||||||||||
Serpentinum/Falciferum/Tenuicostatum | 182 | ||||||||||||
Pliensbachian | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | |||||||||||
Aratauran | 188.9 | ||||||||||||
Sinemurian | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | |||||||||||
Hettangian | Angulata/Liasicus/Planorbis | 199.5 | |||||||||||
201.4 |