PBDB Timescale

Cambrian of Kazakhstan

The interval definitions in this timescale are derived from the following sources:

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
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

There are 15 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 30 collections

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International Chronostratigraphic Timescale			Cambrian of Kazakhstan	Ten Million Year Bins	Cambrian of Australia	Obsolete Names for ICS Units			Cambrian Epochs
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				Tertiary †				2.58
	Pliocene	Zanclean								3.6
	Miocene	Messinian								5.333
		Tortonian								7.246
		Serravallian		Cenozoic 5						11.63
		Langhian								13.82
		Burdigalian								15.98
		Aquitanian								20.44
Paleogene	Oligocene	Chattian		Cenozoic 4						23.03
	Oligocene	Rupelian		Cenozoic 4						27.82
	Eocene	Priabonian		Cenozoic 3						33.9
		Bartonian		Cenozoic 3						37.71
		Lutetian		Cenozoic 2						41.2
		Ypresian		Cenozoic 2						47.8
	Paleocene	Thanetian		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		Cretaceous 2						125.77
		Valanginian		Cretaceous 1						132.6
		Berriasian		Cretaceous 1						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		Jurassic 4						168.2
		Aalenian		Jurassic 3						170.9
	Early Jurassic	Toarcian		Jurassic 3						174.7
		Pliensbachian		Jurassic 2						184.2
		Sinemurian		Jurassic 1						192.9
		Hettangian		Jurassic 1						199.5
Triassic	Late Triassic	Rhaetian		Triassic 4						201.4
		Norian		Triassic 4						208.5
		Carnian		Triassic 3						227
	Middle Triassic	Ladinian		Triassic 2						237
	Middle Triassic	Anisian		Triassic 2						242
	Early Triassic	Olenekian		Triassic 1						247.2
	Early Triassic	Induan		Triassic 1						251.2
Permian	Lopingian	Changhsingian		Permian 4						251.902
	Lopingian	Wuchiapingian					Longtanian †			254.14
	Guadalupian	Capitanian								259.51
		Wordian								264.28
		Roadian		Permian 3						266.9
	Cisuralian	Kungurian		Permian 2						273.01
		Artinskian								283.5
		Sakmarian								290.1
		Asselian		Permian 1						293.52
Carboniferous	Pennsylvanian	Gzhelian		Carboniferous 5						298.9
		Kasimovian	303.7	Carboniferous 5
		Moscovian	Carboniferous 4	307
		Bashkirian	Carboniferous 4	315.2
	Mississippian	Serpukhovian	Carboniferous 3	323.2
		Visean	Carboniferous 2	330.9
		Tournaisian	Carboniferous 1	346.7
Devonian	Late Devonian	Famennian	Devonian 5	358.9
	Late Devonian	Frasnian	Devonian 4	372.2
	Middle Devonian	Givetian	Devonian 3	382.7
	Middle Devonian	Eifelian	Devonian 3	387.7
	Early Devonian	Emsian	Devonian 2	393.3
		Pragian	Devonian 1	407.6
		Lochkovian	Devonian 1	410.8
Silurian	Pridoli		Silurian 2	419.2
	Ludlow	Ludfordian		423
	Ludlow	Gorstian		425.6
	Wenlock	Homerian		427.4
	Wenlock	Sheinwoodian		430.5
	Llandovery	Telychian	Silurian 1	433.4
		Aeronian		438.5
		Rhuddanian		440.8
Ordovician	Late Ordovician	Hirnantian	Ordovician 5	443.8
		Katian	Ordovician 5	445.2
		Sandbian	Ordovician 4	453
	Middle Ordovician	Darriwilian	Ordovician 3	458.4
	Middle Ordovician	Dapingian	Ordovician 2	467.3
	Early Ordovician	Floian	Ordovician 2	470
	Early Ordovician	Tremadocian	Ungurian	Ordovician 1	477.7
Cambrian	Furongian	Stage 10	Batyrbaian	Cambrian 5	Datsonian	Late Cambrian		485.4
		Stage 10			Payntonian			486.8 *
		Jiangshanian			Iverian			489.5
			Aksaian					490.7 *
			Sakian					492.2 *
		Paibian	Sakian		Idamean			494
	Miaolingian	Guzhangian	Ayusokkanian	Cambrian 4	Mindyallan	Series 3 †		Middle Cambrian	497
			Ayusokkanian		Boomerangian				499
					Boomerangian				499.5
		Drumian	Zhanaarykian		Undillan				500.5
		Drumian	Tuesaian		Floran				503
		Wuliuan	Tuesaian	Cambrian 3	Templetonian		Stage 5 †		504.5
					Templetonian				505.3
					Ordian				507.8 *
	Series 2	Stage 4						Early Cambrian	509
			Toyonian						510 *
			Toyonian						510.8 *
			Botomian						512.5 *
		Stage 3	Botomian	Cambrian 2					514
		Stage 3	Atdabanian						515.6 *
	Terreneuvian	Stage 2	Tommotian						521
		Stage 2							525.5
		Fortunian		Cambrian 1					529
										538.8