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
- 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
- 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
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 126691 collections
| International Chronostratigraphic Timescale | Central Paratethys Stages | Devonian Subages | Obsolete Names for ICS Units | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Phanerozoic | Cenozoic | Quaternary | Holocene | Meghalayan | 0 | |||||
| Northgrippian | 0.0042 | |||||||||
| Greenlandian | 0.0082 | |||||||||
| Pleistocene | Late Pleistocene | 0.0117 | ||||||||
| Chibanian | 0.129 | |||||||||
| Calabrian | 0.774 | |||||||||
| Gelasian | 1.8 | |||||||||
| Neogene | Pliocene | Piacenzian | Tertiary † | 2.58 | ||||||
| Zanclean | 3.6 | |||||||||
| Miocene | Messinian | 5.333 | ||||||||
| Tortonian | Pannonian | 7.246 | ||||||||
| Serravallian | Sarmatian | 11.63 | ||||||||
| Badenian | 12.8 * | |||||||||
| Langhian | 13.82 | |||||||||
| Burdigalian | 15.98 | |||||||||
| Aquitanian | 20.44 | |||||||||
| Paleogene | Oligocene | Chattian | 23.03 | |||||||
| Rupelian | 27.82 | |||||||||
| Eocene | Priabonian | 33.9 | ||||||||
| Bartonian | 37.71 | |||||||||
| Lutetian | 41.2 | |||||||||
| Ypresian | 47.8 | |||||||||
| Paleocene | Thanetian | 56 | ||||||||
| Selandian | 59.2 | |||||||||
| Danian | 61.6 | |||||||||
| Mesozoic | Cretaceous | Late Cretaceous | Maastrichtian | 66 | ||||||
| Campanian | 72.1 | |||||||||
| Santonian | 83.6 | |||||||||
| Coniacian | 86.3 | |||||||||
| Turonian | 89.8 | |||||||||
| Cenomanian | 93.9 | |||||||||
| Early Cretaceous | Albian | 100.5 | ||||||||
| Aptian | 113 | |||||||||
| Barremian | 121.4 | |||||||||
| Hauterivian | 125.77 | |||||||||
| Valanginian | 132.6 | |||||||||
| Berriasian | 139.8 | |||||||||
| Jurassic | Late Jurassic | Tithonian | 145 | |||||||
| Kimmeridgian | 149.2 | |||||||||
| Oxfordian | 154.8 | |||||||||
| Middle Jurassic | Callovian | 161.5 | ||||||||
| Bathonian | 165.3 | |||||||||
| Bajocian | 168.2 | |||||||||
| Aalenian | 170.9 | |||||||||
| Early Jurassic | Toarcian | 174.7 | ||||||||
| Pliensbachian | 184.2 | |||||||||
| Sinemurian | 192.9 | |||||||||
| Hettangian | 199.5 | |||||||||
| Triassic | Late Triassic | Rhaetian | 201.4 | |||||||
| Norian | 208.5 | |||||||||
| Carnian | 227 | |||||||||
| Middle Triassic | Ladinian | 237 | ||||||||
| Anisian | 242 | |||||||||
| Early Triassic | Olenekian | 247.2 | ||||||||
| Induan | 251.2 | |||||||||
| Paleozoic | Permian | Lopingian | Changhsingian | 251.902 | ||||||
| Wuchiapingian | Longtanian † | 254.14 | ||||||||
| Guadalupian | Capitanian | 259.51 | ||||||||
| Wordian | 264.28 | |||||||||
| Roadian | 266.9 | |||||||||
| Cisuralian | Kungurian | 273.01 | ||||||||
| Artinskian | 283.5 | |||||||||
| Sakmarian | 290.1 | |||||||||
| Asselian | 293.52 | |||||||||
| Carboniferous | Pennsylvanian | Gzhelian | 298.9 | |||||||
| Kasimovian | 303.7 | |||||||||
| Moscovian | 307 | |||||||||
| Bashkirian | 315.2 | |||||||||
| Mississippian | Serpukhovian | 323.2 | ||||||||
| Visean | 330.9 | |||||||||
| Tournaisian | 346.7 | |||||||||
| Devonian | Late Devonian | Famennian | Late Famennian | 358.9 | ||||||
| Middle Famennian | 365.3 * | |||||||||
| Early Famennian | 368.5 * | |||||||||
| Frasnian | Late Frasnian | 372.2 | ||||||||
| Middle Frasnian | 375.4 * | |||||||||
| Early Frasnian | 379.3 * | |||||||||
| Middle Devonian | Givetian | Late Givetian | 382.7 | |||||||
| Middle Givetian | 383.7 * | |||||||||
| Early Givetian | 385.9 * | |||||||||
| Eifelian | Late Eifelian | 387.7 | ||||||||
| Early Eifelian | 390.3 * | |||||||||
| Early Devonian | Emsian | Late Emsian | 393.3 | |||||||
| Early Emsian | 398.3 * | |||||||||
| Pragian | Pragian | 407.6 | ||||||||
| Lochkovian | Late Lochkovian | 410.8 | ||||||||
| Middle Lochkovian | 412.8 * | |||||||||
| Early Lochkovian | 415.6 * | |||||||||
| Silurian | Pridoli | 419.2 | ||||||||
| Ludlow | Ludfordian | 423 | ||||||||
| Gorstian | 425.6 | |||||||||
| Wenlock | Homerian | 427.4 | ||||||||
| Sheinwoodian | 430.5 | |||||||||
| Llandovery | Telychian | 433.4 | ||||||||
| Aeronian | 438.5 | |||||||||
| Rhuddanian | 440.8 | |||||||||
| Ordovician | Late Ordovician | Hirnantian | 443.8 | |||||||
| Katian | 445.2 | |||||||||
| Sandbian | 453 | |||||||||
| Middle Ordovician | Darriwilian | 458.4 | ||||||||
| Dapingian | 467.3 | |||||||||
| Early Ordovician | Floian | 470 | ||||||||
| Tremadocian | 477.7 | |||||||||
| Cambrian | Furongian | Stage 10 | 485.4 | |||||||
| Jiangshanian | 489.5 | |||||||||
| Paibian | 494 | |||||||||
| Miaolingian | Guzhangian | Series 3 † | 497 | |||||||
| Drumian | 500.5 | |||||||||
| Wuliuan | Stage 5 † | 504.5 | ||||||||
| Series 2 | Stage 4 | 509 | ||||||||
| Stage 3 | 514 | |||||||||
| Terreneuvian | Stage 2 | 521 | ||||||||
| Fortunian | 529 | |||||||||
| Proterozoic | Neoproterozoic | Ediacaran | 538.8 | |||||||
| Cryogenian | 635 | |||||||||
| Tonian | 720 | |||||||||
| Mesoproterozoic | Stenian | 1000 | ||||||||
| Ectasian | 1200 | |||||||||
| Calymmian | 1400 | |||||||||
| Paleoproterozoic | Statherian | 1600 | ||||||||
| Orosirian | 1800 | |||||||||
| Rhyacian | 2050 | |||||||||
| Siderian | 2300 | |||||||||
| Archean | Neoarchean | 2500 | ||||||||
| Mesoarchean | 2800 | |||||||||
| Paleoarchean | 3200 | |||||||||
| Eoarchean | 3600 | |||||||||
| Hadean | 4000 | |||||||||
| 4600 | ||||||||||