PBDB Interval

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
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
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
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.

This timescale is used in the definition of 126585 collections

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International Chronostratigraphic Timescale			Ten Million Year Bins	Cenozoic Subepochs	Cretaceous-Cenozoic of New Zealand
							21.7
Paleogene	Oligocene	Chattian	Cenozoic 4	Late Oligocene	Landon	Waitakian	23.03
						Duntroonian	25.2
						Whaingaroan	27.3
		Rupelian		Early Oligocene			27.82
	Eocene	Priabonian	Cenozoic 3	Late Eocene			33.9
					Arnold	Runangan	34.6
						Kaiatan	36.7
		Bartonian		Middle Eocene		Kaiatan	37.71
		Bartonian				Bortonian	39.1
		Lutetian	Cenozoic 2			Bortonian	41.2
					Dannevirke	Porangan	42.6
						Heretaungan	45.7
		Ypresian		Early Eocene		Heretaungan	47.8
						Mangaorapan	48.9
						Waipawan	52
	Paleocene	Thanetian	Cenozoic 1	Late Paleocene		Teurian	56
		Selandian		Middle Paleocene			59.2
		Danian		Early Paleocene			61.6
							66