details |
Late Cretaceous |
|
Alaska |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Maastrichtian |
|
Alaska |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
details |
Eocene |
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 |
Middle Campanian |
Maastrichtian |
Alaska |
Frederiksen,N.O. Changes in floral diversities, flora turnover rates, and climates in Campanian and Maestrichtian time, North Slope of Alaska |
1989 |
details |
Late Oligocene |
|
Alaska |
Wahrhaftig,C. et al. The coal-bearing group in the Nenana Coalfield, Alaska. |
1969 |
details |
Early Oligocene |
|
Alaska |
Marincovich,L.,Jr. et al. Oligocene age of strata on Unga Island, Shumagin Islands, Southwestern Alaska. (In: Geologic Studies in Alaska by the United States Geological Survey. J.H. and J.P.Galloway, editors) |
1991 |
details |
Paleocene |
|
Alaska |
Elsik,W.C. Auriculiidites paleocenicus sp.nov. from the Paleocene of Cook Inlet area, Alaska. |
1973 |
details |
Late Cretaceous |
|
Alaska |
Jarzen,D.M. Aquillapollenites and some Santalalean genera.A. Botanical comparison. |
1977 |
details |
Miocene |
|
Alaska |
Leopold,E.B. et al. A long pollen sequence of Neogene age, Alaska range. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
details |
Late Campanian |
Early Maestrichtian |
Alaska |
Ridgway,K.D. et al. Thrust-top basin formation along a suture zone, Cantwell basin, Alaska Range. Implication for development of the Denali fault system. |
1997 |
details |
Campanian |
|
Alaska |
Trop,J.M. et al. Submarine fan deposystems and tectonics of a Late Cretaceous forearc basin along an accretionary convergent plate boundary, MacColl Ridge Formation, Wrangell Mountains, Alaska. |
1999 |
details |
Oligocene |
Pliocene |
Alaska |
Merritt,R.D. Coal geology and resources of the Nenana Basin, Alaska. |
1986 |
details |
Oligocene |
Pliocene |
Alaska |
Merritt,R.D. Coal atlas of the Nenana Basin, Alaska. |
1985 |
details |
Late Eocene |
Middle Miocene |
Alaska |
Zippi,P.A. Palynology of Tertiary Holitna Outcrops, McGrath and Talkeetna Quadrangles. |
2001 |
details |
Hauterivian |
Barremian |
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
details |
Tertiary |
|
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
details |
Santonian |
Paleocene |
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |