| details |
Late Turonian |
|
Canada(Alberta) |
Sweet,A.R. et al. Late Turonian marine and nonmarine palynomorphs from the Cardium Formation, North Central Alberta Foothills, Canada. (In: Sequences, stratigraphy, sedimentology; surface and subsurface. D.P.James and D.A.Leckie, editors) |
1988 |
| details |
Early Campanian |
|
Canada(Alberta) |
Sweet,A.R. et al. A distinctive terrestrial palynofloral assemblage from the Lower Campanian Chungo Member, Wapiabi Formation, southwestern Alberta; A key to regional correlations. (In: Contributions to Canadian Coal Geoscience) |
1989 |
| details |
Early Campanian |
|
Canada(Alberta) |
Sweet,A.R. et al. A distinctive terrestrial palynofloral assemblage from the Lower Campanian Chungo Member, Waipiabi Formation, southwestern Alberta; A key to regional correlations. (In: Contributions to Canadian Coal Geoscience) |
1989 |