| details |
Miocene |
Pliocene |
USSR(Pre-Urals) |
Sigova,N.N. Miocene spore-pollen complexes of the Southern Pre-Urals |
1956 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Spore-pollen spectra of the Upper Eocene of northern Priaral |
1954 |
| details |
Miocene |
|
E.Germany |
Hunger,R. On the facies of Coal. |
1953 |
| details |
Miocene |
|
E.Germany(Cottbus) |
Hunger,R. The age of the Seam complex of South Trobitz near Dobrilugk. |
1953 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Thomson,P.W. et al. On the fine stratigraphic investigation of the Brown Coal Seams. |
1952 |
| details |
Oligocene |
Miocene |
W.Germany(Rhineland) |
Thomson,P.W. The stratigraphic significance of the sporomorphs. |
1952 |
| details |
Eocene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |
| details |
Late Cretaceous |
Tertiary |
Brazil |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |