| details |
Eocene |
|
Atlantic Ocean |
Laufeld,S. Sporomorphs in Tertiary Coal from the Faeroe Islands |
1965 |
| original |
Tertiary |
|
Denmark |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Miocene |
|
Germany(Rhineland) |
Brelie,G.Von Der et al. The possibilities of pollen analytic fine stratigraphy in very thick seams explained by the main seam in the Morschenih Mine, Ville, Lower Rhine Valley. |
1956 |
| details |
Early Miocene |
|
W.Germany |
Rein,U. The palynology of Seam stratigraphy in Brown Coal Mine Workings |
1954 |