Pirgu age

449.6 - 445.2 Ma

The definition of this interval in the timescale Ordovician of the Baltic 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 bottom 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 7 timescales which overlap this one. show

This interval is used in the definition of 310 collections

A total of 3007 collections with 20959 occurrences lie within this time span

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International Chronostratigraphic TimescaleOrdovician of the Baltic
OrdovicianLate OrdovicianHirnantianHarjuPorkuni443.8
Vormsi449.6 *
NabalaJohvi †450 *
ViruRakvere450.6 *
Oandu452 *
SandbianKeilaIdavere †453
Kukruse456.4 *
UhakuAluoja †457.5 *
Middle OrdovicianDarriwilian458.4
Lasnamagi458.9 *
Aseri460.4 *
OelandKunda462.9 *
Valaste †/Hunderum464.3 *
VolkhovLangevoja †/Vaana/Saka467.1 *
Billingen469.3 *
Early OrdovicianFloian470
Latorp †470.1 *
Hunneberg473.7 *
Varangu481.3 *
Pakerort482.2 *
485.4 *