details |
Early Oligocene |
|
Alaska(Peninsula) |
Wolfe,J.A. Reconnaissance spore and pollen examination, Early Tertiary Turbidite Beds, Aleutian Abyssal Plain, Site 183. |
1973 |
details |
Late Oligocene |
Late Neogene |
Alaska(Cook Inlet) |
Wolfe,J.A. et al. Tertiary stratigraphy and paleobotany of the Cook Inlet Region, Alaska. |
1966 |
details |
Late Pliocene |
Early Pleistocene |
Alaska |
Nelson,R,E. et al. Pollen analysis of a Late Pliocene and Early Pleistocene section from the Gubik Formation of Arctic Alaska. |
1985 |
details |
Early Eocene |
|
Alaska |
Ager,T.A. et al. Early Eocene sporomorph assemblage from Death Valley, Seward Peninsula, Western Alaska. |
1986 |
details |
Late Tertiary |
|
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |
details |
Early Miocene |
Middle Miocene |
Alaska |
Yeend,W.E. Tertiary and Quaternary deposits at the Palisades, Central Alaska. |
1977 |
details |
Middle Miocene |
Pleistocene |
Alaska |
White,J.M. et al. An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates. |
1997 |
details |
Middle Miocene |
Pleistocene |
Alaska |
White,J.M. et al. An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates. |
1997 |
details |
Middle Pliocene |
|
Alaska |
Thompson,R.S. et al. Middle Pliocene vegetation: reconstructions, paleoclimatic Inferences, and boundary conditions for climate modeling |
1996 |