Amgan age

510 - 504.5 Ma

The definition of this interval in the timescale Cambrian of Siberia 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 9 timescales which overlap this one. show

This interval is used in the definition of 64 collections

A total of 935 collections with 5554 occurrences lie within this time span

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International Chronostratigraphic TimescaleCambrian of SiberiaCambrian of North America
CambrianFurongianStage 10BatyrbaianTavgian †Ketyan †/YurakianFranconian †/Dresbachian/Millardan485.4
Sunwaptan487.5
Jiangshanian489.5
Aksaian490.7 *
Sakian492.2 *
Steptoean493 *
Paibian494
Ensyan †/Maduan/Nganasanian494.7 *
MiaolingianGuzhangianAyusokkanianMarjumianAlbertian †497
Mayan/Menevian499.5
Drumian500.5
WuliuanAmgan/SolvanTopazan504.5
Delamaran506.5
Series 2Stage 4Waucoban †509
ToyonianLenian †510 *
Dyeran511 *
Botomian512.5 *
Stage 3514
Montezuman514.8 *
Atdabanian515.6 *
Begadean519.9 *
TerreneuvianStage 2Tommotian521
Nemakit-Daldynian525.5
FortunianManykaian †529
538.8