| details |
Late Visean |
|
Canada(Alberta) |
Utting,J. Palynostratigraphic investigation of 74 core samples (Upper Paleozoic) Submitted by J.E.Barclay from three boreholes in the Peace River Arch area (Nts 84D,83M) |
1989 |
| details |
Early Visean |
|
Canada(Alberta) |
Utting,J. Palynological investigation of 29 core samples from the Stoddart Gropu (Lower Carboniferous) of Imperial Pan-American Aries (C-147706), Submitted by J.Barclay (Nts 84D5) |
1987 |
| original |
Late Meramecian |
Chesterian |
Canada(NWT) |
Braman,D.R. et al. Palynology and paleoecology of the Mattson Formation, northwest Canada. |
1977 |