details |
Late Campanian |
Early Maastrichtian |
Wyoming |
Bryant,B. et al. Late Mesozoic and Early Tertiary reactivation of an ancient crustal boundary along the Uinta Tend and its interaction with the Sevier Orogenic Belt. (In: Interaction of the Rocky Mountain Foreland and the Cordilleran Thrust Belt. C.Schmidt and W.Perry, editors) |
1988 |
details |
Late Campanian |
Early Maastrichtian |
Utah |
Bryant,B. et al. Late Mesozoic and Early Tertiary reactivation of an ancient crustal boundary along the Uinta Tend and its interaction with the Sevier Orogenic Belt. (In: Interaction of the Rocky Mountain Foreland and the Cordilleran Thrust Belt. C.Schmidt and W.Perry, editors) |
1988 |
details |
Late Maastrichtian |
|
Montana |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. (In: Geological Society of America-Centennial Meeting Field Trip Guidebook. G.S. Holden, editor) |
1988 |
details |
Late Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. (In: Geological Society of America-Centennial Meeting Field Trip Guidebook. G.S. Holden, editor) |
1988 |
details |
Middle Maastrichtian |
Late Maastrichtian |
Canada(Yukon) |
Kalgutkar,R.M. et al. Morphology, taxonomy and phylogeny of fossil fungal genus Pesavis from Northwestern Canada. (In: Contributions to Canadian Paleontology.) |
1988 |
details |
Early Maastrichtian |
|
Canada(NWT,Franklin) |
McIntyre,D.J. et al. New palynological data from Cornwall Arch, Cornwall and Amund Ringnes Islands, District of Franklin, NWT. (In: Current Research, Part G: Frontier Geoscience Program, Arctic Canada) |
1989 |
details |
Early Maastrichtian |
|
Canada(Alberta) |
Dawson,F.M. et al. A preliminary analysis of the stratigraphy and sedimentology of the Coal bearing Wapiti Group, Northwestern Alberta. (In: Advances in Western Canadian Coal Geoscience. Forum Proceedings. W.Langenberg, editor) |
1989 |
details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. |
1989 |
details |
Santonian |
Early Maastrichtian |
Alaska |
Bujak Davies Group Palynological analysis of 48 outcrop samples from the Colville River and Ivishak River areas, Northern Alaska. |
1989 |
details |
Maastrichtian |
|
Alaska(North Slope) |
Frederiksen,N.O. Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point Dinosaur locality, North Slope, Alaska. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
details |
Late Maastrichtian |
Paleocene |
Atlantic Ocean |
Udintsev,G.B. et al. Finds of Continental rocks and sediments of anomalous age in the Equatorial Segment of the Mid-Atlantic Ridge |
1990 |
details |
Late Campanian |
Early Maastrichtian |
Utah |
Franczyk,K.J. et al. Sedimentology, mineralogy, palynology and depositional history of some Upper most Cretaceous and Lowermost Tertiary rocks along the Utah Book and Roan Cliffs East of the Green River. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
details |
Paleocene |
|
Montana |
Lofgren,D.L. et al. Reworking of Cretaceous dinosaurs into Paleocene channel deposits, Upper Hell Creek Formation, Montana. |
1990 |
details |
Late Cretaceous |
Early Tertiary |
North America |
Farabee,M.J. Triprojectate fossil pollen genera. |
1990 |
details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
details |
Maastrichtian |
|
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 |