Permian of North America
The interval definitions in this timescale are derived from the following source:
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
There are 13 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 189 collections
| International Chronostratigraphic Timescale | Permian of North America | Permian of Western Europe | ||||
|---|---|---|---|---|---|---|
| Permian | Lopingian | Wuchiapingian | Zechstein | 254.14 | ||
| Guadalupian | Capitanian | Capitanian | Rotliegendes | 259.51 | ||
| Wordian | Wordian | 264.28 | ||||
| Roadian | Roadian | 266.9 | ||||
| Cisuralian | Kungurian | Leonardian | Cathedralian | 273.01 | ||
| Hessian | 281.9 * | |||||
| Artinskian | Autunian | 283.5 | ||||
| Wolfcampian | Lenoxian | 286.1 * | ||||
| Sakmarian | 290.1 | |||||
| Asselian | Nealian | 293.52 | ||||
| 298.9 | ||||||