| details |
Permian |
|
Czechoslovakia |
Planderova,E. New data on the age of "Roznava Zeleznik" Group. |
1980 |
| details |
Silurian |
Devonian |
USSR(Georgian SSR) |
Abesadze,M. et al. New data on age of metamorphosed Schists of Dzirulj Massif |
1980 |
| details |
|
|
USSR(Georgian SSR) |
Abesadze,M. et al. New data on age of metamorphosed Schists of Dzirulj Massif |
1980 |
| details |
Llanvirnian |
|
USSR(European) |
Aristova,K.E. Microfossils of the Llandvirian Stage of the Moscow Synclise. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova-Shakhmundes,V.A. Aptian oryctocoenosis of unicellular planctonic algae of northern Pre-Caspian and their facial characteristics. (In: Ecostratigraphy and Ecological Systems of the Geological Past.) |
1980 |
| original |
Late Cambrian |
|
Europe |
Yankauskas,T.V. On the micropalaeontological characteristic of the Middle and Upper Cambrian in the Northwest of the East-European Platform. |
1980 |
| details |
Middle Cambrian |
Ordovician |
USSR(Baltic) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova,V.A. The role of organic microphyloplancton in correlating separate sections (On first studies of Apt deposits of northern Pre-Caspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Early Callovian |
|
USSR(Arkhangelsk Oblast) |
Teodorovich,V.I. Grounds for the age determination of Middle Jurassic-Lower Callovian strata of the Cis-Timan area |
1980 |
| details |
Late Sinian |
|
China(Hupei) |
Zhao,Z. et al. The Sinian System of eastern Yangtze Gorges, Hubei. (In: Proceedings of the Conference: Research on Precambrian Geology; Sinian Suberathen in China.) |
1980 |
| details |
Cambrian |
|
Romania |
Krautner,H.G. Lithostratigraphic correlation of Precambrian in the Romanian Carpathians. |
1980 |
| details |
Late Ordovician |
|
Kansas |
Wright,R.P. et al. Organic-walled microplankton in the subsurface Ordovician of Northeastern Kansas. |
1981 |
| details |
Frasnian |
|
Australia(W.Australia) |
Playford,G. Late Devonian acritarch from the Gneudna Formation in the Western Carnarvon Basin, Western Australia. |
1981 |
| details |
Callovian |
|
|
Volkheimer,W. et al. Stratigraphic palynology of the Middle Jurassic Lotena Formation, (Neuqu©n Basin). (In: The Geology of the Province of San Luis) |
1981 |
| details |
Tithonian |
|
|
Volkheimer,W. et al. Stratigraphic distribution of Jurassic and Cretaceous palynomorphs in the Andean Realm and neighbouring areas of Southern South America, with special consideration of the Neuqu©n Basin. |
1981 |
| details |
Paleocene |
|
Belgium |
De Coninck,J. et al. Organic-walled microfossils. |
1981 |
| details |
Early Cambrian |
|
Sweden |
Vidal,G. Lower Cambrian acritarch stratigraphy in Scandinavia. |
1981 |