| details |
Early Tertiary |
|
Germany |
Kuyl,O.S. et al. The application of palynology to oil geology with special reference to Western Venezuela. |
1955 |
| details |
Miocene |
|
Nigeria |
Kuyl,O.S. et al. The application of palynology to oil geology with special reference to Western Venezuela. |
1955 |
| details |
|
|
India(Himachal Pradesh) |
Nandi,B. et al. Preliminary observations on the microfossils and microstructures of Siwalik Lignite from Himachal Pradesh, India |
1970 |
| details |
Nd |
|
Nd |
Cranwell,L.M. Pollen |
1971 |
| original |
Late Oligocene |
|
Utah |
Lindsey,D.A. et al. Upper Oligocene Evaporites in Basin fill of Sevier Desert Region, Western Utah. |
1981 |