| details |
Visean |
|
France(Vosges) |
Doubinger,J. et al. Spores of the marine Visean of Bourbach-Le-Haut in the Southern Vosges. |
1966 |
| details |
Pastonian |
|
England(Yorkshire) |
Reid,P.C. et al. The age of the Bridlington Crag. |
1973 |
| details |
Early Tertiary |
|
Canada(NWT,Franklin) |
Andrews,J.T. et al. An Early Tertiary outcrop in North-Central Bassin Island, Northwest Territories, Canada; environment and significance. |
1972 |
| details |
Late Tertiary |
Early Quaternary |
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |