| details |
Late Eocene |
|
New Mexico |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Late Neogene |
|
Colombia |
Hammen,T.Van Der et al. Palynological record of the Upheaval of the northern Andes |
1973 |
| details |
Late Neogene |
Pleistocene |
Ethiopia |
Bonnefille,R. Evidence for a Cooler and Drier climate in the Ethiopian Uplands Towards 2.5 Myr Ago |
1983 |
| details |
Late Miocene |
Pleistocene |
Nd |
Muller,J. Significance of fossil pollen for angiosperm history. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
| details |
Late Miocene |
|
Ethiopia |
Yemane,K. et al. Pollen and clay mineral assemblages of a Late Miocene lacustrine sequence. |
1987 |
| details |
Late Neogene |
|
Ethiopia |
Bonnefille,R. et al. Palynology, stratigraphy and paleoenvironment of a Pliocene Hominid Site, (2.9-3.3 M.Y.) at Hadar, Ethiopia. |
1987 |
| details |
Middle Pliocene |
|
Colombia |
Wijninga,V.M. A Pliocene Podocarpus Forest Mire from the area of the high Plain of Bogota (Cordillera Oriental, Colombia) |
1996 |
| details |
Quaternary |
|
Colombia |
Hooghiemstra,H. Environmental and paleoclimatic evolution in Late Pliocene-Quaternary Columbia. (In: Paleoclimate and Evolution with Emphasis on Human Origin. E.S.Vrba et al, editors) |
1996 |
| details |
Pliocene |
Pleistocene |
Colombia |
Hammen,T.Van Der et al. Chronostratigrpahy and correlation of the Pliocene and Quaterna of Colombia. |
1997 |