Castlemainian age

470 - 468.5 Ma

The definition of this interval in the timescale Ordovician of Australia is taken from the following source:

  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

The top age has 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.

There are intervals in 6 timescales which overlap this one. show

This interval is used in the definition of 19 collections

A total of 374 collections with 1769 occurrences lie within this time span

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International Chronostratigraphic TimescaleOrdovician of AustraliaOrdovician of the Baltic
OrdovicianLate OrdovicianHirnantianBolindianHarjuPorkuni443.8
KatianPirgu445.2
Eastonian449 *
Vormsi449.6 *
NabalaJohvi †450 *
ViruRakvere450.6 *
GisbornianOandu452 *
SandbianKeilaIdavere †453
Haljala453.9
Kukruse456.4 *
UhakuAluoja †457.5 *
Middle OrdovicianDarriwilianDarriwilian458.4
Lasnamagi458.9 *
Aseri460.4 *
OelandKunda462.9 *
Valaste †/Hunderum464.3 *
VolkhovLangevoja †/Vaana/Saka467.1 *
DapingianYapeenian467.3
Castlemainian468.5 *
Billingen469.3 *
Early OrdovicianFloianChewtonian470
Latorp †470.1 *
Bendigonian471.8 *
Lancefieldian473.5 *
Hunneberg473.7 *
Tremadocian477.7
Varangu481.3 *
Pakerort482.2 *
Warendian482.8 *
485.4 *
486.3
486.5