| details |
Late Campanian |
Paleocene |
Utah |
Franczyk,K.J. et al. Sedimentology, mineralogy, palynology and depositional history of some Upper most Cretaceous and Lowermost Tertiary rocks along the Utah Book and Roan Cliffs East of the Green River. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
| details |
Late Carnian |
|
Maryland |
Cornet,B. et al. Early to Middle Carnian (Triassic) flora and fauna of the Richmond and Taylorsville Basins, Virginia and Maryland, USA. |
1990 |
| details |
Stephanian B |
Stephanian C |
Austria |
Planderova,E. et al. Biostratigraphical evaluation of Weakly metamorphosed sediments of Wechsel series and their possible correlation with Harmonia Group in the male Karpaty Mts |
1990 |
| details |
Late Ladinian |
|
France(Cher) |
Courel,L. et al. A Ladinian transgression in central France indication of a sea level high stand; new data from borehole, (Cher-France). (In: The study of the subterranean geology of France, Part 1) |
1990 |
| details |
Late Burdigalian |
Middle Serravallian |
Turkey |
Ediger,V.S. Paleopalynology of coal-bearing Miocene sedimentary rocks associated with volcanics of the Biga Peninsula (northwestern Turkey) and the effect of Volcanism on vegetation |
1990 |
| details |
Late Ladinian |
Carnian |
Spain |
Doubinger,J. et al. Pollen and spores form the Permian and Triassic sediments of the southeastern Iberian ranges, Cueva de Hierro (Cuenca) to Chelva-Manzanera, (Valencia-Teruel), Region, Spain. |
1990 |
| details |
Early Thuringian |
|
Spain |
Doubinger,J. et al. Pollen and spores form the Permian and Triassic sediments of the southeastern Iberian ranges, Cueva de Hierro (Cuenca) to Chelva-Manzanera, (Valencia-Teruel), Region, Spain. |
1990 |
| details |
Eocene |
Oligocene |
France(Alpes,Hautes) |
M©dus,J. et al. Reworked pollen assemblages and the Eocene Oligocene boundary in the Paleogene of the Western External French Alps |
1990 |
| details |
Oligocene |
|
France(Savoie) |
M©dus,J. et al. Reworked pollen assemblages and the Eocene Oligocene boundary in the Paleogene of the Western External French Alps |
1990 |
| details |
Late Permian |
|
South Africa |
Horowitz,A. Palynology and paleoenvironment of uranium deposits in the Permian Beaufort Group, South Africa. (In: Palynology of Ore Deposits. E.I. Robbins, editor) |
1990 |
| details |
Maastrichtian |
Early Paleocene |
Wyoming |
Nichols,D.J. et al. Plant microfossil record of the terminal Cretaceous event in the Western United States and Canada. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
| details |
Middle Carnian |
Hettangian |
USA |
Olsen,P.E. et al. The Triassic/Jurassic boundary in Continental rocks of eastern North America; a progress report. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
| details |
Early Miocene |
|
|
de Lima,M.R. et al. Description of microflora in a Lignite Layer of the Alexandra Formation, Tertiary of the Shale of Parana, Brazil. |
1990 |
| details |
Early Paleocene |
|
Colorado |
Kauffman,E.G. et al. The Cretaceous-Tertiary boundary interval at South Table Mountain, near Golden, Colorado. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) |
1990 |
| details |
Late Maastrichtian |
Early Paleocene |
North America |
Nichols,D.J. et al. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in Western North America. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) |
1990 |
| details |
Nd |
|
Nd |
Huang,P. Application of Sharpe PC-1500 Pocket computer to statistics in palynological research |
1990 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Kukhtinova,L.V. et al. Lower Permian palynocomplexes of the terrigenous deposits in the eastern Caspian Depression |
1990 |