| details |
Miocene |
|
E.Germany |
Kirchheimer,F. Comments in regard to the botanical classification of pollen of the Browncoal Layers. |
1938 |
| details |
Eocene |
|
Germany |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Late Cretaceous |
Paleocene |
Germany |
Thiergart,F. Micropaleontological information. 1. Dicotyledonous pollen of the Late Mesozoic and its systematic position |
1942 |
| details |
Tertiary |
|
USA |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Eocene |
|
Colorado |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Eocene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |
| details |
Oligocene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |
| details |
Early Miocene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |
| details |
Late Tertiary |
|
Germany(Schleswig) |
Thomson,P.W. Contribution to the micropaleontology and history of Late Tertiary Forests of Niedersachsen and Schleswig-Holstein |
1948 |
| details |
Late Oligocene |
Early Miocene |
W.Germany(Rhineland) |
Thompson,P.J. Lower Tertiary elements in the Rhineland Brown Coal and some important stratigraphic pollen forms. |
1949 |
| details |
Recent |
|
W.Germany(Rhineland) |
Thompson,P.J. Lower Tertiary elements in the Rhineland Brown Coal and some important stratigraphic pollen forms. |
1949 |
| 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 |