| original |
Late Oligocene |
Early Miocene |
Colombia |
Dueбas-Jimenez,H. Study of the palynology of well Pozo Qe-22, Late Oligocene and Early Miocene, Planeta Rica, northern Columbia. |
1979 |
| original |
Late Oligocene |
Early Miocene |
Colombia |
Dueбas-Jimenez,H. Palynology of Oligocene-Miocene strata of borehole Q-E-22, Planeta Rica, northern Colombia. |
1980 |
| details |
Oligocene |
|
Colombia |
Dueбas-Jimenez,H. Geology and palynology of the Cienaga de Oro Formation, Caribe Region, Columbia. |
1986 |
| details |
Nd |
|
Nd |
Hoorn,C. An environmental reconstruction of the palaeo-Amazon River system (Middle - Late Miocene, northwest Amazonia). |
1994 |