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. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 view
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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. 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 126161 collections
International Chronostratigraphic Timescale | Central Paratethys Stages | Mammal Paleogene Zones | Ten Million Year Bins | Ammonite Chrons of Northwest Europe | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | Cenozoic 6 | 0 | ||||||||
Northgrippian | 0.0042 | |||||||||||
Greenlandian | 0.0082 | |||||||||||
Pleistocene | Late Pleistocene | 0.0117 | ||||||||||
Chibanian | 0.129 | |||||||||||
Calabrian | 0.774 | |||||||||||
Gelasian | 1.8 | |||||||||||
Neogene | Pliocene | Piacenzian | 2.58 | |||||||||
Zanclean | 3.6 | |||||||||||
Miocene | Messinian | 5.333 | ||||||||||
Tortonian | Pannonian | 7.246 | ||||||||||
Serravallian | Sarmatian | Cenozoic 5 | 11.63 | |||||||||
Badenian | 12.8 * | |||||||||||
Langhian | 13.82 | |||||||||||
Burdigalian | 15.98 | |||||||||||
Aquitanian | 20.44 | |||||||||||
Paleogene | Oligocene | Chattian | MP 30/MP 29/MP 28/MP 27/MP 26 | MP 25 | Cenozoic 4 | 23.03 | ||||||
Rupelian | MP 24/MP 23/MP 22/MP 21 | 27.82 | ||||||||||
Eocene | Priabonian | MP 20/MP 19/MP 18/MP 17B/MP 17A | Cenozoic 3 | 33.9 | ||||||||
Bartonian | MP 16 | 37.71 | ||||||||||
Lutetian | MP 15/MP 14/MP 13/MP 12/MP 11 | Cenozoic 2 | 41.2 | |||||||||
Ypresian | MP 10/MP 8 + 9/MP 7 | 47.8 | ||||||||||
Paleocene | Thanetian | MP 6 | MP 1 - 5 | Cenozoic 1 | 56 | |||||||
Selandian | 59.2 | |||||||||||
Danian | 61.6 | |||||||||||
Cretaceous | Late Cretaceous | Maastrichtian | Cretaceous 8 | 66 | ||||||||
Campanian | Cretaceous 7 | 72.1 | ||||||||||
Santonian | Cretaceous 6 | 83.6 | ||||||||||
Coniacian | 86.3 | |||||||||||
Turonian | 89.8 | |||||||||||
Cenomanian | Cretaceous 5 | 93.9 | ||||||||||
Early Cretaceous | Albian | Cretaceous 4 | 100.5 | |||||||||
Aptian | Cretaceous 3 | 113 | ||||||||||
Barremian | Cretaceous 2 | 121.4 | ||||||||||
Hauterivian | 125.77 | |||||||||||
Valanginian | Cretaceous 1 | 132.6 | ||||||||||
Berriasian | 139.8 | |||||||||||
Jurassic | Late Jurassic | Tithonian | Jurassic 6 | 145 | ||||||||
Kimmeridgian | Jurassic 5 | 149.2 | ||||||||||
Oxfordian | 154.8 | |||||||||||
Middle Jurassic | Callovian | 161.5 | ||||||||||
Bathonian | Jurassic 4 | 165.3 | ||||||||||
Bajocian | Parkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites | 168.2 | ||||||||||
Humphresianum | 168.4 | |||||||||||
Aalenian | Jurassic 3 | Concavum/Murchisonae/Opalinum | 170.9 | |||||||||
Early Jurassic | Toarcian | Levesquei/Variabilis/Bifrons | Thouarsense | 174.7 | ||||||||
180.1 | ||||||||||||
Serpentinum/Falciferum/Tenuicostatum | 182 | |||||||||||
Pliensbachian | Jurassic 2 | Spinatum/Margaritatus/Davoei/Ibex/Jamesoni | 184.2 | |||||||||
Sinemurian | Jurassic 1 | Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi | 192.9 | |||||||||
Hettangian | Angulata/Liasicus/Planorbis | 199.5 | ||||||||||
Triassic | Late Triassic | Rhaetian | Triassic 4 | 201.4 | ||||||||
Norian | 208.5 | |||||||||||
Carnian | Triassic 3 | 227 | ||||||||||
Middle Triassic | Ladinian | Triassic 2 | 237 | |||||||||
Anisian | 242 | |||||||||||
Early Triassic | Olenekian | Triassic 1 | 247.2 | |||||||||
Induan | 251.2 | |||||||||||
251.902 |