| 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 Ladinian |
|
Bulgaria |
Petrunova-Olova,L. Middle and Upper Triassic palynology zones from Northwest Bulgaria (Preliminary results) |
1990 |
| details |
Visean |
Bashkirian |
Ukraine |
Oshurkova,M.V. et al. Palynostratigraphy of Carboniferous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Sakmarian |
Tatarian |
USSR(Leningrad) |
Faddeeva,I.Z. Palynostratigraphy of Permian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Ladinian |
|
USSR(Moscow Basin) |
Romanovskaya,G.M. et al. Palynostratigraphy of Triassic deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Late Triassic |
|
China(Qinghai) |
Ji,L.-X. The micropaleoflora features from Middle Carbonate Rock Formation of Jiezha Group in South Qinghai. |
1990 |
| details |
Late Bashkirian |
Moscovian |
Canada(Yukon) |
Bamber,E.W. et al. A summary of Carboniferous and Permian biostratigraphy, Northern Yukon Territory and Northwest District of MacKenzie. (In: Current research Part G, Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Late Bashkirian |
Moscovian |
Canada(NWT,Mackenzie) |
Bamber,E.W. et al. A summary of Carboniferous and Permian biostratigraphy, Northern Yukon Territory and Northwest District of MacKenzie. (In: Current research Part G, Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Late Hauterivian |
Middle Barremian |
Libya |
Uwins,P.J.R. et al. Early to Mid-Cretaceous palynology of northeast Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Stephanian |
|
Kentucky |
Helfrich,C.T. et al. Palynologic and petrographic variation in the Otter Creek Coal Beds, (Stephanian, Upper Carboniferous), Western Kentucky. |
1989 |
| details |
Westphalian B |
Westphalian C |
Netherlands |
de Laar,J.G.M. Van et al. On-Shore Carboniferous palynology of the Netherlands |
1989 |
| details |
Liassic |
Middle Jurassic |
China(Sinkiang Uighur) |
Sun,F. Early and Middle Jurassic sporo-pollen assemblages of Qiquanhu Coal-Field of Turpan, Xinjiang. |
1989 |
| details |
Djulfian |
Callovian |
Pacific Ocean |
de Jersey,N.J. et al. Palynofloras from the Permian, Triassic and Jurassic of New Caledonia. |
1989 |
| details |
Early Cretaceous |
|
China(Kansu) |
Zhang,Z. et al. Palynological assemblages from the Zhidan Group of Hauting and Longxian region, southwestern part of Ordos Basin. |
1989 |
| details |
Early Cretaceous |
|
China(Shensi) |
Zhang,Z. et al. Palynological assemblages from the Zhidan Group of Hauting and Longxian region, southwestern part of Ordos Basin. |
1989 |
| details |
Stephanian |
Early Autunian |
Iraq |
KalibovЎ-KaiserovЎ,M. Palynological investigation of the Late Paleozoic deposits from borehole K5-2 at Rutba in the Western Desert of Iraq |
1989 |
| details |
Late Cretaceous |
|
Argentina(Chubut) |
Papк,O.H. Palynology of Paso del Sapo Formation, (Upper Cretaceous), Middle Valley of Chubut River, Argentina. Pollen grains, statistics, paleoecology, and paleoenvironment. |
1989 |