Cambrian of Britain

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

  • 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, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
  • F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
  • D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view

There are 12 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 602 collections

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International Chronostratigraphic TimescaleCambrian of BritainCambrian of ChinaCambrian of SiberiaCambrian of Kazakhstan
OrdovicianEarly OrdovicianTremadocianUngurian477.7
Mansian †483.55 *
CambrianFurongianStage 10MerionethDolgellian/TrempealeauanNiucheheanTaoyuanian †BatyrbaianTavgian †Ketyan †/YurakianBatyrbaian485.4
Festiniogian489.2 *
JiangshanianJiangshanian489.5
AksaianAksaian490.7 *
SakianSakian492.2 *
Maentwrogian493.1 *
PaibianPaibian494
Ensyan †/Maduan/Nganasanian494.7 *
Waergangian †/Youshuanian494.9 *
MiaolingianGuzhangianSt DavidsGuzhangianWangcunian †AyusokkanianAyusokkanian497
Mayan/Menevian499.5
DrumianDrumianZhanaarykian500.5
Tuesaian503
WuliuanWuliuan/TaijangianAmgan/Solvan504.5
505.3
Series 2Stage 4CaerfaiDuyunian509
ToyonianLenian †Toyonian510 *
BotomianBotomian512.5 *
Stage 3Nangaoian514
AtdabanianAtdabanian515.6 *
TerreneuvianStage 2MeishucunianTommotianTommotian521
Nemakit-Daldynian525.5
FortunianManykaian †529
Jinnigian530.7
538.8