details |
Middle Albian |
Early Campanian |
Wyoming |
Nichols,D.J. et al. Guide species of dinocysts, pollen, and spores from Cretaceous formations in the overthrust Belt of Utah and Wyoming. |
1980 |
details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. A new Cretaceous-Tertiary boundary locality in the Western Powder River Basin, Wyoming; Biological and geological implications. |
1992 |
details |
Middle Coniacian |
Maastrichtian |
Wyoming |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
details |
Coniacian |
Maastrichtian |
Wyoming |
Nichols,D.J. et al. Cretaceous biostratigraphy in the Wyoming Thrust Belt |
1982 |
details |
Maastrichtian |
|
Wyoming |
Farabee,M.J. et al. Stratigraphic palynology of the lower part of the Lance Formation, (Maestrichtian) of Wyoming. |
1986 |
details |
Campanian |
|
Wyoming |
Kirschbaum,M.A. et al. Geologic history and palynologic dating of Paleocene Deposits, western rock Springs Uplift Sweetwater County, Wyoming. |
1988 |
details |
Late Coniacian |
Santonian |
Wyoming |
Bryant,B. et al. Late Mesozoic and Early Tertiary reactivation of an ancient crustal boundary along the Uinta Tend and its interaction with the Sevier Orogenic Belt. (In: Interaction of the Rocky Mountain Foreland and the Cordilleran Thrust Belt. C.Schmidt and W.Perry, editors) |
1988 |
details |
Early Eocene |
|
Wyoming |
Nichols,D.J. Palynology of the Vermillion Creek Coal Bed and associated strata. (In: Geological Investigations of the Vermillion Creek Coal Bed in the Eocene Niland Tongue of the Wasatch Formation, Sweetwater County, Wyoming. H.W. Roehler and P.L. Martin, editors) |
1987 |
details |
Early Paleocene |
|
Wyoming |
Nichols,D.J. et al. Plant microfossil record of the terminal Cretaceous event in the Western United States and Canada. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
details |
Late Cretaceous |
|
Wyoming |
Stone,J.F. Palynology of the Almond Formation, (Upper Cretaceous), Rock Springs Uplift, Wyoming. |
1973 |
details |
Late Cretaceous |
|
Wyoming |
Meyers,W.C. Environmental analysis of Almond Formation (Upper Cretaceous), from Rock Springs Uplift, Wyoming. |
1977 |
details |
Cretaceous |
Late Campanian |
Wyoming |
Guennel,G.K. et al. Palynology of the Hoback Basin |
1973 |
details |
Cretaceous |
|
Wyoming |
Guennel,G.K. et al. Palynology of the Hoback Basin |
1973 |
details |
Late Coniacian |
Santonian |
Wyoming |
Jacobson,S.R. et al. Palynological dating of syntectonic units in the Utah-Wyoming Thrust Belt; The Evanston Formation, Echo Canyon Conglomerate, Little Muddy Creek Conglomerate. (In: Geologic Studies of the Cordilleran Thrust Belt. R.B.Powers, editor) |
1982 |
details |
Middle Albian |
Early Campanian |
Utah |
Nichols,D.J. et al. Guide species of dinocysts, pollen, and spores from Cretaceous formations in the overthrust Belt of Utah and Wyoming. |
1980 |
details |
Middle Coniacian |
Maastrichtian |
Utah |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
details |
Coniacian |
Maastrichtian |
Utah |
Nichols,D.J. et al. Cretaceous biostratigraphy in the Wyoming Thrust Belt |
1982 |