original |
Pennsylvanian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal (Pennsylvanian) of Oklahoma |
1961 |
original |
Desmoinesian |
|
Oklahoma |
Dempsey,J.E. A palynological investigation of the Lower and Upper Mcalester Coals (Pennsylvanian) of Oklahoma. |
1964 |
original |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
original |
Pennsylvanian |
|
Oklahoma |
Urban,L.L. Palynology of the Drywood and Bluejacket Coals (Pennsylvanian) of Oklahoma. |
1965 |
original |
Middle Pennsylvanian |
|
Oklahoma |
Dolly,E.D. Palynology of the Bevier Coal (Pennsylvanian ) of Oklahoma. |
1965 |
original |
Allegheny |
|
Pennsylvania |
Habib,D. Distribution of spore and pollen assemblages in the Lower Kittanning Coal of Western Pennsylvania |
1966 |
original |
Cretaceous |
|
Poland |
Turnau,E. Microflora and paleogeography of the Carboniferous Coal deposits in the Polish Carpathians. |
1970 |
original |
Tertiary |
|
Poland |
Turnau,E. Microflora and paleogeography of the Carboniferous Coal deposits in the Polish Carpathians. |
1970 |
original |
Namurian A |
Namurian B |
Nd |
Neves,R. et al. Some observations on Namurian and Visean spores from Nova Scotia, Britain and northern Spain. |
1970 |
original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |