| details |
Cretaceous |
|
Colorado |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Cretaceous |
|
New Mexico |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Cretaceous |
|
Montana |
Tschudy,R.H. et al. Disruption of the terrestrial plant ecosystems at the Cretaceous - Tertiary boundary, Western Interior. |
1984 |
| details |
Maastrichtian |
Paleocene |
North America |
Tschudy,R.H. et al. Were There Massive plant extinctions at the Cretaceous-Tertiary boundary? |
1984 |
| 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 |
Eocene |
|
USA |
Spicer,R.A. Plants at the Cretaceous-Tertiary boundary. (In: Evolution and Extinction. W.G. Chaloner and A. Hallam, editors) |
1989 |
| details |
Early Paleocene |
|
New Mexico |
Scott,A.C. et al. Fire across the K-T boundary: Initial results from the Sugarite Coal, New Mexico, USA. |
2000 |
| details |
Cretaceous |
Maastrichtian |
New Mexico |
Pillmore,C.L. et al. Geological framework of nonmarine Cretaceous-Tertiary boundary sites, Raton Basin, New Mexico and Colorado. |
1984 |
| details |
Late Maastrichtian |
|
New Mexico |
Pillmore,C.L. et al. Field guide and discussions of coal deposits, depositional environments, and the Cretaceous-Tertiary boundary, Southern Raton Basin: Field Trip 3. |
1984 |
| details |
Maastrichtian |
|
Colorado |
Pillmore,C.L. et al. Field guide to the Continental Cretaceous-Tertiary boundary in the Raton Basin, Colorado and New Mexico. (In: Geological Society of America-Centennial Meeting Field Trip Guidebook. G.S. Holden, editor) |
1988 |
| details |
Maastrichtian |
|
New Mexico |
Orth,C.J. et al. An Iridium abundance anomaly at the palynological Cretaceous-Tertiary boundary in northern New Mexico. |
1981 |
| details |
Early Paleocene |
|
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 |
Late Maastrichtian |
|
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 |
|
New Mexico |
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 |
Maastrichtian |
|
Colorado |
Newman,K.R. Cretaceous/Paleocene boundary in the Denver Formation at Golden, Colorado, USA. |
1979 |
| details |
Early Maestrichtian |
Early Paleocene |
Colorado |
Newman,K.R. Biostratigraphic correlation of Cretaceous-Tertiary Boundary Rio Colorado to San Juan Basin, New Mexico. (In: The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado. J.E. Fassett and J.K.Rigby, editors) |
1987 |
| details |
Maestrichtian |
|
New Mexico |
Newman,K.R. Biostratigraphic correlation of Cretaceous-Tertiary Boundary Rio Colorado to San Juan Basin, New Mexico. (In: The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado. J.E. Fassett and J.K.Rigby, editors) |
1987 |