Carboniferous of North America
The interval definitions in this timescale are derived from the following sources:
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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 2887 collections
International Chronostratigraphic Timescale | Carboniferous of North America | Carboniferous Subepochs | |||
---|---|---|---|---|---|
Permian | Cisuralian | Asselian | Bursumian † | 293.52 | |
Carboniferous | Pennsylvanian | Gzhelian | Virgilian | Late Pennsylvanian | 298.9 |
Kasimovian | Missourian | 303.7 | |||
Desmoinesian | 305.9 * | ||||
Moscovian | Middle Pennsylvanian | 307 | |||
Atokan | 312.7 * | ||||
Bashkirian | Early Pennsylvanian | 315.2 | |||
Morrowan | 318.4 * | ||||
Mississippian | Serpukhovian | Chesterian | Late Mississippian | 323.2 | |
Visean | Middle Mississippian | 330.9 | |||
Meramecian | 335.8 * | ||||
Osagean | 343.1 * | ||||
Tournaisian | Early Mississippian | 346.7 | |||
Kinderhookian | 351.9 * | ||||
358.9 |