| details |
Late Oligocene |
|
China(Kwangtung) |
Yu,J.-F. et al. Spore-pollen assemblages from the No.5 Driss-Well of Maoming, in the Maoming Basin, Guangdong and its geological age. |
1983 |
| details |
Pliocene |
|
Arctic Ocean |
Willard,D.A. Pliocene-Pleistocene pollen assemblages from the Yermak Plateau Arctic Ocean; Sites 910 and 911 |
1996 |
| details |
Early Pliocene |
Middle Pliocene |
Alaska |
Ager,T.A. et al. Pliocene terrace gravels of the ancestral Yukon River near Circle Alaska; Palynology, paleobotany, paleoenvironmental reconstruction and region correlation. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |