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, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- F. M. Gradstein, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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. 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 126689 collections
| International Chronostratigraphic Timescale | Mesozoic Subages | Cretaceous Subepochs | Cretaceous-Cenozoic of New Zealand | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cretaceous | Late Cretaceous | Maastrichtian | Late Maastrichtian/Early Maastrichtian | Senonian | Mata | Haumurian | 66 | |||||
| Campanian | Late Campanian/Middle Campanian/Early Campanian | 72.1 | ||||||||||
| Santonian | Late Santonian/Middle Santonian/Early Santonian | Piripauan | 83.6 | |||||||||
| Raukumara | Teratan | 86.1 | ||||||||||
| Coniacian | Late Coniacian/Middle Coniacian/Early Coniacian | 86.3 | ||||||||||
| Turonian | Late Turonian/Middle Turonian/Early Turonian | 89.8 | ||||||||||
| Mangaotanean | 90.5 | |||||||||||
| Arowhanan | 93.7 | |||||||||||
| Cenomanian | Late Cenomanian/Middle Cenomanian/Early Cenomanian | 93.9 | ||||||||||
| Clarence | Ngaterian | 95.2 | ||||||||||
| Motuan | 99.5 | |||||||||||
| Early Cretaceous | Albian | Late Albian | Gallic | 100.5 | ||||||||
| Urutawan | 103.3 | |||||||||||
| Middle Albian | 106.2 * | |||||||||||
| Taitai | Korangan | 108.4 | ||||||||||
| Early Albian | 109.9 * | |||||||||||
| Aptian | Late Aptian | 113 | ||||||||||
| 117.5 | ||||||||||||
| Early Aptian | 119.5 * | |||||||||||
| Barremian | Late Barremian/Early Barremian | 121.4 | ||||||||||
| Hauterivian | Late Hauterivian/Early Hauterivian | Neocomian | 125.77 | |||||||||
| Valanginian | Late Valanginian/Early Valanginian | 132.6 | ||||||||||
| Berriasian | Late Berriasian | 139.8 | ||||||||||
| Middle Berriasian | 140.6 * | |||||||||||
| Early Berriasian | 142.7 * | |||||||||||
| 145 | ||||||||||||