| original |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Nd |
Albian |
Nd |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Mesozoic |
|
China(Hupei) |
Zhang,Z. Mesozoic spores and pollen |
1978 |
| details |
Late Campanian |
Early Maastrichtian |
Colorado |
Johnson,R.C. et al. A study of the Cretaceous-Tertiary unconformity in the Piceance Creek Basin, Colorado--the underlying Ohio Creek Formation (Upper Cretaceous) Aredefined as a Member of the Hunter Canyon or Mesaverde Formation |
1980 |
| details |
Campanian |
Maastrichtian |
Colorado |
Johnson,R.C. et al. Petrography, X-Ray mineralogy, and palynology of a measured section of the Upper Cretaceous Mesaverde Group in Hunter Canyon, Western Colorado. |
1980 |
| details |
Late Campanian |
Early Maastrichtian |
Utah |
Franczyk,K.J. et al. Sedimentology, mineralogy, palynology and depositional history of some Upper most Cretaceous and Lowermost Tertiary rocks along the Utah Book and Roan Cliffs East of the Green River. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
| details |
Cenomanian |
Eocene |
China(Szechwan) |
Zhang,Y. et al. Late Cretaceous and Early Tertiary Spores and pollen from the Western Tarim Basin, southern Xinjiang, China. |
1991 |
| details |
Nd |
|
Nd |
Braman,D.R. Terrestrial palynomorphs of the Upper Santonian - ?Lower Campanian Milk River Formation, southern Alberta, Canada. |
2001 |