| details |
Late Landenian |
Early Ypresian |
Belgium |
Roche,E. Palynological study (pollen and spores) of the Eocene of Belgium. |
1982 |
| details |
Landenian |
|
Belgium |
Roche,E. Palynological study (pollen and spores) of the Eocene of Belgium. |
1982 |
| details |
Landenian |
Ypresian |
Belgium |
Mercier,M. et al. Continental-brakish to marine transition modalities of the Ypresian in the northwest of the Paris Basin and of the Belgian Basin from the data of the palynology, the clay mineralogy and the radioelements geochemistry. |
1985 |
| details |
Late Landenian |
|
Belgium |
Ermolli,E.R. Palynological dating of Tertiary sediments between Sambre and Meuse. |
1991 |