| details |
Late Maestrichtian |
|
Canada(Alberta) |
Sweet,A.R. et al. Sequential palynological changes across the composite Cretaceous - Tertiary (K/T) Boundary claystone and contiguous strata, western Canada and Montana, U.S.A. |
1999 |
| 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 |
| details |
Late Maastrichtian |
|
Canada(Alberta) |
Sweet,A.R. et al. The K/T Boundary and contiguous strata in Western Canada; Interactions between paleoenvironments and palynological assemblages. |
1992 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. et al. The K/T Boundary and contiguous strata in Western Canada; Interactions between paleoenvironments and palynological assemblages. |
1992 |
| details |
Late Maastrichtian |
|
Canada |
Sweet,A.R. et al. The Cretaceous-Tertiary Boundary: Signpost to coal deposits. |
1985 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Nichols,D.J. et al. Palynological and Iridium anomalies at Cretaceous-Tertiary boundary, south-central Saskatchewan. |
1986 |
| details |
Late Maastrichtian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. I. Stratigraphy. |
1986 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. Palynology of the Ravenscrag and Frenchman Formation. (In: Coal Resources of Southern Saskatchewan: A model for evaluation methodology. S.H.Whitaker, J.A.Irvine and P.L.Broughton, editors) |
1978 |
| details |
Late Maastrichtian |
|
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 |
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 |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
| details |
Late Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
| details |
Late Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
| details |
Late Cretaceous |
Early Tertiary |
Colorado |
Tschudy,R.H. et al. Extinction and survival of plant life following the Cretaceous/Tertiary boundary event, Western Interior, North America. |
1986 |
| details |
Late Cretaceous |
|
USA(Mid-Continent) |
Spicer,R.A. Plants at the Cretaceous-Tertiary boundary. (In: Evolution and Extinction. W.G. Chaloner and A. Hallam, editors) |
1989 |
| details |
Late Cretaceous |
Early Paleocene |
USA |
Spicer,R.A. Plants at the Cretaceous-Tertiary boundary. (In: Evolution and Extinction. W.G. Chaloner and A. Hallam, editors) |
1989 |