| details |
Bajocian |
|
Hungary |
Kedves,M. et al. Microstratigraphy of the carbonate manganese ore layers of the Shaft III of Urkut on the basis of palynological investigation. |
1964 |
| details |
Toarcian |
|
Hungary |
Kedves,M. Palynological studies on Manganese Ore Layers in Urkut (Transdanubia), Hungary. (In: Palynology of Ore Deposits. E.I. Robbins, editor) |
1990 |
| details |
Hauterivian |
Early Albian |
China(Heilungkiang) |
Zhang,Q. Palynological assemblages from the Chengzihe Formation in Jixi Basin of eastern Heilongjiang Province. |
1987 |