| details |
Early Eocene |
Middle Eocene |
Alaska(North Slope) |
Frederiksen,N.O. et al. Palynology of Eocene strata in the Sagavanirktok and Canning Formations on the North Slope of Alaska. |
2002 |
| details |
Danian |
|
Canada(Arctic) |
Harrison,J.C. et al. Correlation of Cenozoic sequences of the Canadian Arctic Region and Greenland; Implications for the tectonic history of North America |
1999 |
| details |
Campanian |
Maestrichtian |
Canada(Alberta) |
Lerbekmo,J.F. et al. Magnetostratigraphic and biostratigraphic correlation of late Campanian and Maastrichtian marine and continental strata from the Red Deer Valley to the Cypress Hills, Alberta, Canada. |
2002 |