| details |
Oligocene |
Miocene |
Brazil(Amazonas) |
de Boer,N.P. et al. A palynological study on the age of some borehole samples from the Amazonas Delta area, northwest Brazil. |
1965 |
| details |
Eocene |
Miocene |
Brazil |
Regali,M.S.P. et al. Palynology of Mesozoic-Cenozoic Sediments of Brazil (I and II). (Vol. 17(3), Pages: 177-191). (Vol.17(4), Pages: 263-301.) |
1974 |
| details |
Middle Eocene |
Oligocene |
Benin |
Oyede,M. et al. Dating of the so called "Oligocene" Unconformity in the onshore part of the coastal sedimentary Basin of Benin (West Africa). |
1992 |
| details |
Eocene |
Early Miocene |
Angola |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |