| details |
Late Maastrichtian |
|
Canada(Alberta) |
Dawson,F.M. et al. A preliminary analysis of the stratigraphy and sedimentology of the Coal bearing Wapiti Group, Northwestern Alberta. (In: Advances in Western Canadian Coal Geoscience. Forum Proceedings. W.Langenberg, editor) |
1989 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
Alaska(North Slope) |
Frederiksen,N.O. Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point Dinosaur locality, North Slope, Alaska. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
| details |
Late Maastrichtian |
Early Paleocene |
USA(Mid-Continent) |
Sweet,A.R. Palynofloras and climates of the Santonian of Midcontinental North America. (In: Global Biological Events in Earth History. E.Knobloch and Z.Kvacek, editors) |
1990 |
| details |
Late Maastrichtian |
Early Paleocene |
Canada |
Sweet,A.R. Palynofloras and climates of the Santonian of Midcontinental North America. (In: Global Biological Events in Earth History. E.Knobloch and Z.Kvacek, editors) |
1990 |
| details |
Early Paleocene |
|
Canada(Alberta) |
Demchuk,T.D. Palynostratigraphic zonation of Paleocene strata in the Central and South-Central Alberta Plains. |
1990 |
| details |
Maastrichtian |
|
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 |
Maastrichtian |
Early Paleocene |
North Dakota |
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 |
Maastrichtian |
|
North Dakota |
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 |
Late Maastrichtian |
|
Canada(NWT,Mackenzie) |
Sweet,A.R. et al. Palynofloral response to K/T Boundary Events; A transitory interruption within a dynamic system. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
| details |
Late Maastrichtian |
Paleocene |
Canada(Alberta) |
Sweet,A.R. et al. Palynofloral response to K/T Boundary Events; A transitory interruption within a dynamic system. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
| details |
Late Maastrichtian |
Paleocene |
Montana |
Johnson,K.R. et al. Megafloral change across the Cretaceous/Tertiary boundary in the northern Great Plains and Rocky Mountains, USA. |
1990 |
| details |
Late Maastrichtian |
Paleocene |
North Dakota |
Johnson,K.R. et al. Megafloral change across the Cretaceous/Tertiary boundary in the northern Great Plains and Rocky Mountains, USA. |
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 |
Maastrichtian |
|
Wyoming |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |
| details |
Maastrichtian |
|
Montana |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |
| details |
Maestrichtian |
|
USSR(Kazakh SSR) |
Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. et al. Palynofacies, coal petrographic facies and depositional environments; Amphitheatre Formation (Eocene to Oligocene) and Ravenscrag Formation (Maestrichtian to Paleocene), Canada. (In: Recent Advances in Organic Petrology and Geochemistry; A Symposium Honoring Dr P.Hacquebard. W.Kalkreuth et al, editors) |
1991 |