original |
Maestrichtian |
|
USSR(Kazakh SSR) |
Ponomarenko,Z.K. The age and paleogeographical environments of Bauxite Formation Kazakhstan. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
original |
Aptian |
Albian |
USSR(Kazakh SSR) |
Ponomarenko,Z.K. The age and paleogeographical environments of Bauxite Formation Kazakhstan. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |