| details |
Early Miocene |
Early Pliocene |
Spain |
Jelgersma,S. Palynological observations of Tertiary Lignites from Cerdana and Valle De Aran (Spanish Pyrenees). |
1957 |
| details |
Oligocene |
Early Miocene |
USSR(Ukrainian SSR) |
Rotman,R.N. Spore-pollen composition of the Brown Coals of the Chesterintzy deposits of the Knieper Basin of USSR |
1956 |
| details |
Early Tertiary |
|
Japan(Hokkaido I.) |
Tokunaga,S. Pollen analyses of some coal seams in the Akabira area, Ishikari Coal Field, Hokkaido |
1956 |
| details |
Tortonian |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Plant material of the second Mediterranean layer of the l'vov Region. |
1956 |
| details |
Miocene |
|
USSR(European) |
Pokrovskaya,I.M. Miocene spore-pollen complexes of Southern Regions of the European part of the USSR. |
1956 |
| details |
Tortonian |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Materials for the investigation of the Tortonian flora (Middle Miocene) of l'Vovskaya Oblast'. |
1954 |
| details |
Oligocene |
|
Vermont |
Traverse,A. et al. Micropaleontology of the Brandon Lignite, an Early Tertiary Coal in Central Vermont |
1953 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Thomson,P.W. et al. On the fine stratigraphic investigation of the Brown Coal Seams. |
1952 |
| details |
Middle Miocene |
|
W.Germany(Hesse) |
Kremp,G.O.W. Pollen analysis of the Brown Coal Seams of Beuern near Giessen. |
1950 |
| details |
Miocene |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Late Oligocene |
Early Miocene |
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Middle Oligocene |
Miocene |
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Middle Miocene |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Miocene |
|
Germany(Rhineland) |
Thomson,P.W. The origin of the Coal Seams based on micropaleontological investigations of the main Seam of the Brown Coal of the Rhine. |
1950 |
| details |
Miocene |
|
Germany(Rhineland) |
Thomson,P.W. The origin of the Coal Seams based on micropaleontological investigations of the main Seam of the Brown Coal of the Rhine. |
1950 |
| details |
Late Cretaceous |
|
Austria |
Hofmann,E. Pollen grains in the Upper Cretaceous Flysch of Muntigl near Salzburg. |
1950 |
| details |
Eocene |
|
France |
Reissinger,A. Pollen analysis extended to all sedimentary rocks of the geological past. |
1950 |