| details |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Stratigraphic placement of the Dunkard according to palynological assemblages. |
1972 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Stratigraphic placement of the Dunkard according to palynological assemblages. |
1972 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
Early Permian |
Kansas |
Clendening,J.A. Palynological evidence for placement of the Pennsylvanian-Permian boundary in Kansas, USA. |
1975 |
| details |
Late Pennsylvanian |
|
Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |
| details |
Late Pennsylvanian |
|
Ohio |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Middle Pennsylvanian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Late Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological analyses of Upper Pennsylvanian Coal Beds and adjacent strata from the proposed Pennsylvanian system stratotype in West Virginia |
1988 |
| details |
Late Desmoinesian |
|
Indiana |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Late Desmoinesian |
Early Missourian |
Illinois |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Early Missourian |
|
Oklahoma |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Desmoinesian |
|
Missouri |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |