| details |
Early Oligocene |
|
Romania |
Antonescu,E. et al. Contributions to the knowledge of the stratigraphy and tectonics of the Singeorz Bain Lunca Ilvei Region. |
1980 |
| details |
Early Oligocene |
Middle Oligocene |
Romania |
Antonescu,E. et al. Contributions to the knowledge of the stratigraphy and tectonics of the Singeorz Bain Lunca Ilvei Region. |
1980 |
| details |
Late Sparnacian |
Early Cuisian |
France(Marne) |
Gruas-Cavagnetto,C. et al. Botanic environment and stratigraphic position Montagne de Reims, (Ypresian, Paris Basin). |
1980 |
| details |
Danian |
|
Maryland |
May,F.E. Dinoflagellate-acritarch palynology. (In: Geology of the Round Bay Quadrange, Anne Arundel County, Maryland. J.P.Minard) |
1980 |
| details |
Nd |
|
Nd |
Wilson,G.J. et al. A concise catalogue of organic-walled fossil dinoflagellate genera. |
1980 |
| details |
Middle Oligocene |
|
Yugoslavia |
Jelen,M. et al. Nannoplankton and dinoflagellates from the Oligocene Beds of Horn |
1980 |
| details |
Oligocene |
|
Romania |
Dicea,O. et al. Contributions to the knowledge of the stratigraphy of Maramures Transcarpathian zone |
1980 |
| details |
Early Oligocene |
Late Oligocene |
Poland |
Odrzywolska-Bienkowa,E. et al. The Polish part of the northwest European Tertiary Basin. |
1981 |
| details |
Eocene |
|
Germany |
Sarjeant,W.A.S. A restudy of some dinoflagellate cyst holotypes in the University of Kiel Collections. II. The Eocene holotypes of Barbara Klumpp (1953); with a revision of the genus Cordosphaeridium Eisenack, 1963. |
1981 |
| details |
Eocene |
|
Germany |
Sarjeant,W.A.S. A restudy of some dinoflagellate cyst holotypes in the University of Kiel Collections. II. The Eocene holotypes of Barbara Klumpp (1953); with a revision of the genus Cordosphaeridium Eisenack, 1963. |
1981 |
| details |
Paleocene |
|
Belgium |
De Coninck,J. et al. Organic-walled microfossils. |
1981 |
| details |
Late Eocene |
Oligocene |
Poland |
Couvering,J.A. Van et al. The terminal Eocene event and the Polish connection. |
1981 |
| details |
Late Eocene |
|
W.Germany(Bavaria) |
Costa,L.I. et al. Dinoflagellate assemblage from the Late Eocene of the Kressenberg 7 Borehole, (Bavaria) and correlation to the Nannoplankton Zones. |
1981 |
| details |
Eocene |
Oligocene |
Poland |
SnopkovŠ,P. et al. Microplankton from Paleogene sedimentary rocks of West Carpathians |
1981 |
| details |
Eocene |
Early Miocene |
Poland |
Baraniecka,M.D. Tertiary deposits in Sw Part of the Warsaw Basin at the example of borehole Column Kaczorowek |
1981 |
| details |
Montian |
Oligocene |
Canada(Eastern Offshore) |
Heroux,Y. et al. Thermal evolution and petroleum potential from the study of extracted organic kerogen and gas absorbtion of clay from Drill Hole Karlsefni H-13. |
1981 |
| details |
Early Tertiary |
|
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |