| details |
Cretaceous |
|
Wyoming |
Tschudy,R.H. et al. Extinction and survival of plant life following the Cretaceous/Tertiary boundary event, Western Interior, North America. |
1986 |
| details |
Maastrichtian |
|
USA |
Takahashi,K. Distribution and change of the Upper Cretaceous and Lower Paleogene microflora in Circum-Pacific Regions and Siberia. |
1970 |
| 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 |
Early Paleocene |
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 |
Early Paleocene |
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(NWT,Mackenzie) |
Sweet,A.R. et al. An integrated analysis of the Brackett Coal Basin, Northwest Territories. (In: Current Research, Part G: Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Late Maastrichtian |
Early Paleocene |
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 Maestrichtian |
|
Canada(Alberta) |
Sweet,A.R. Relationships between depositional environments and changes in palynofloras across the K/T Boundary interval. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Late Maestrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. Relationships between depositional environments and changes in palynofloras across the K/T Boundary interval. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Late Maestrichtian |
|
Canada(Arctic) |
Sweet,A.R. Relationships between depositional environments and changes in palynofloras across the K/T Boundary interval. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Late Maastrichtian |
|
Canada(NWT,Mackenzie) |
Sweet,A.R. et al. Cretaceous - Tertiary palynofloral perturbations and extinctions within the Aquilapollenites Phytogeographic Province. |
2001 |
| details |
Paleocene |
|
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 |
Paleocene |
|
Montana |
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 Maestrichtian |
|
Canada(Saskatchewan) |
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 |
Maastrichtian |
|
Montana |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Paleocene |
|
Montana |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |