| details |
Early Tertiary |
|
China(Shantung) |
Wang,K.-F. et al. A study on the algal assemblages of crude oil from Buried Hill and the source Bed of oil in China |
1986 |
| details |
Early Oligocene |
|
China(Tsinghai) |
Sun,X. et al. The Oligocene-Miocene palynological assemblages from the Xining-Minghe Basin Quinghai Province. |
1984 |
| original |
Cretaceous |
Tertiary |
China(Kiangsu) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |
| details |
Cenozoic |
|
China(Hupei) |
Zhang,Q. et al. Cenozoic spores and pollen |
1978 |