| details |
Paleocene |
Oligocene |
South Carolina |
Frederiksen,N.O. Paleogene sporomorphs from South Carolina and quantitative correlations with the Gulf Coast. |
1980 |
| details |
Late Oligocene |
|
Vermont |
Frederiksen,N.O. Paleogene sporomorphs from South Carolina and quantitative correlations with the Gulf Coast. |
1980 |
| details |
Middle Eocene |
Late Eocene |
Missouri |
Frederiksen,N.O. et al. Biostratigraphy and paleoecology of Lower Paleozoic, Upper Cretaceous and Lower Tertiary rocks in U.S.Geological Survey New Madrid test wells, southeastern Missouri. |
1982 |
| details |
Lutetian |
Bartonian |
California |
Frederiksen,N.O. Middle Eocene palynomorphs from San Diego, California. Part II: Angiosperm pollen and miscellanea. |
1983 |
| details |
Paleocene |
|
Wyoming |
Pocknall,D.T. et al. Coal palynology and sedimentaology in the Tongue River Member, Fort Union Formation, Powder River Basin, Wyoming. |
1987 |
| details |
Claiborne |
Early Vicksburg |
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Paleocene |
|
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 |
Paleocene |
|
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 |
Paleocene |
|
Wyoming |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. |
1989 |
| details |
Paleocene |
|
Wyoming |
Moore,T.A. et al. Maceral and palynomorph facies from two Tertiary peat-forming environments in the Powder River Basin, USA. |
1990 |
| details |
Early Paleocene |
|
Montana |
Nichols,D.J. et al. Relationships of palynofacies to coal-depositional environments in the Upper Paleogene of the Gulf coast Basin, Texas, and the Powder River Basin, Montana and Wyoming. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Early Paleocene |
|
Wyoming |
Nichols,D.J. et al. Relationships of palynofacies to coal-depositional environments in the Upper Paleogene of the Gulf coast Basin, Texas, and the Powder River Basin, Montana and Wyoming. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Late Paleocene |
|
Wyoming |
Pocknall,D.T. et al. Palynology of Coal zones of the Tougue River Member (Upper Paleocene) of the Fort Union Formation, Powder River Basin, Montana and Wyoming |
1996 |
| details |
Late Paleocene |
|
Montana |
Pocknall,D.T. et al. Palynology of Coal zones of the Tougue River Member (Upper Paleocene) of the Fort Union Formation, Powder River Basin, Montana and Wyoming |
1996 |