| details |
Virgilian |
Gearyan |
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
| details |
Pennsylvanian |
|
Ohio |
Kosanke,R.M. A microfossil Profile of certain Pennsylvanian Coals of Ohio |
1943 |
| details |
Pennsylvanian |
|
Ohio |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Namurian |
Westphalian A |
Turkey |
Akyol,E. Palynological studies of the Namurian and Westphalian A veins, cut by the South and East Wing of a Side Gallery -5 a Asma, U Zulmez-Zonguldak. |
1974 |
| details |
Namurian |
Westphalian |
Turkey |
Nakoman,E. Palynology of some Namurian and Westphalian A seams in the Karadon and d'Uzulmez sections of the Zonguldak Coal Basin. 1 .Qualitative study. |
1975 |
| details |
Monongahela |
|
West Virginia |
Habib,D. Spore and pollen paleoecology of the Redstone Seam (Upper Pennsylvanian) of West Virginia. |
1968 |
| details |
Monongahela |
|
West Virginia |
Clendening,J.A. Characteristic small spores of the Redstone Coal in West Virginia. |
1965 |
| details |
Lutetian |
|
Turkey |
Akyol,E. Palynological study of the Eocene of Bayat (Corum, Turkey) and correlation between Karakaya and Emirsah |
1978 |
| 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 Pennsylvanian |
|
Pennsylvania |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
West Virginia |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
Ohio |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Late Pennsylvanian |
|
West Virginia |
Habib,D. Succession of spore and pollen assemblages in the Redstone Seam of West Virginia |
1966 |