original |
Campanian |
Maastrichtian |
Canada(NWT,Mackenzie) |
McIntyre,D.J. Palynology of an Upper Cretaceous section, Horton River, District of MacKenzie, N. W. T. |
1974 |
original |
Santonian |
Middle Campanian |
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Lithostratigraphy and dinoflagellate cyst succession in the Gulf Mobil Parsons N-10 Well, District of MacKenzie. |
1976 |
original |
Middle Albian |
Late Albian |
Alaska(North Slope) |
May,F.E. et al. Dinoflagellate and acritarch assemblages from the Grandstand Formation, (Middle to Upper Albian), of the Nanushuk Group, Simpon Core Test 25, National Petroleum Reserve in Alaska, northern Alaska. |
1979 |
original |
Late Campanian |
Early Maastrichtian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |