| 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(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 |
|
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 |
Late Maastrichtian |
|
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(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 |
|
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 |
Early Paleocene |
|
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 |
Early Paleocene |
|
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(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 |
Late Maestrichtian |
|
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(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 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 |
Early Maastrichtian |
Early Paleocene |
Canada(NWT,Mackenzie) |
Sweet,A.R. et al. Paleontology and diamonds: Geological environments associated with kimberlite emplacement, Lac de Gras, Northwest Territories, canada. |
2003 |
| details |
Late Maestrichtian |
|
North Dakota |
Pearson,D.A. et al. Palynologically calibrated vertebrate record from North Dakota consistent with abrupt dinosaur extinction at the Cretaceous-Tertiary boundary. |
2001 |
| details |
Late Maestrichtian |
|
Greenland |
Nиhr-Hansen,H. et al. Palynology and sedimentology across a new marine Cretaceous - Tertiary boundary section on Nuussuaq, West Greenland. |
1997 |
| original |
Late Cretaceous |
Early Paleocene |
Montana |
Norton,N.J. et al. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation, Montana, USA. |
1969 |