details |
Late Maestrichtian |
|
Canada(Saskatchewan) |
Lerbekmo,J.F. et al. A normal polarity subchron that embraces the K/T Boundary: A measure of sedimentary continuity across the boundary and synchroneity of boundary events. (In: The Cretaceous-Tertiary Events and other Catastrophes in Earth History. G.Ryder et al, editors) |
1996 |
details |
Late Maestrichtian |
|
Montana |
Lerbekmo,J.F. et al. A normal polarity subchron that embraces the K/T Boundary: A measure of sedimentary continuity across the boundary and synchroneity of boundary events. (In: The Cretaceous-Tertiary Events and other Catastrophes in Earth History. G.Ryder et al, editors) |
1996 |
details |
Maestrichtian |
Eocene |
Alaska(North Slope) |
Frederiksen,N.O. et al. Palynological dating of Upper Cretaceous to Middle Eocene strata in the Sagavanirktok and Canning Formation, North Slope of Alaska. |
1998 |
details |
Late Maestrichtian |
|
Canada(Saskatchewan) |
Braman,D.R. et al. The palynomorphs biostratigraphy of the Cypress Hills, Wood Mountain, and Turtle Mountain areas (Upper Cretaceous - Paleocene) of western Canada. |
1999 |
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(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 |
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(NWT,Mackenzie) |
Sweet,A.R. et al. Cretaceous - Tertiary palynofloral perturbations and extinctions within the Aquilapollenites Phytogeographic Province. |
2001 |
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 |