| original |
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 |
Middle Jurassic |
|
Hungary |
Kedves,M. et al. Investigation of spores and pollen grains of the Carbonate Manganese Ore Bore samples from Urkut |
1971 |
| details |
Kimmeridgian |
Hauterivian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| 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 |