| details |
Late Eocene |
Early Oligocene |
Canada(British Columbia) |
Hopkins,W.S. et al. A microflora from a short section of the Paleocene Kishenehn Formation, southeastern British Columbia. |
1976 |
| details |
Neogene |
|
Alaska |
Lyle,M.W. et al. Hydrocarbon reservoir and source-rock characteristics from selected areas of southwestern Alaska. |
1982 |
| details |
Tertiary |
|
Alaska |
Lyle;W.M. et al. Hydrocarbon reservoir and source-rock characteristics from selected areas of Southwestern Alaska. |
1982 |
| details |
Pleistocene |
|
Alaska |
Olson,D.L. et al. Biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1987 |
| details |
Eocene |
Oligocene |
Canada(Yukon) |
Sweet,A.R. et al. Palynofacies, coal petrographic facies and depositional environments; Amphitheatre Formation (Eocene to Oligocene) and Ravenscrag Formation (Maestrichtian to Paleocene), Canada. (In: Recent Advances in Organic Petrology and Geochemistry; A Symposium Honoring Dr P.Hacquebard. W.Kalkreuth et al, editors) |
1991 |
| details |
Oligocene |
|
Alaska |
Trop,J.M. et al. Stratigraphy, palynology, and provenance of the Colorado Creek basin, Alaska, USA: Oligocene transpressional tectonics along the central Denali fault system. |
2004 |