| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Westphalian |
Stephanian |
France |
Alpern,B. Succinct descriptions of the principal genera and species of pollen and spores found in the Coals of Central and eastern France. |
1956 |
| details |
Late Westphalian A |
Early Westphalian B |
Czechoslovakia |
DybovЎ,S. et al. Microspore-Zones of the Carboniferous of the Ostrava-Karvina Region |
1957 |
| details |
Westphalian A |
Westphalian B |
Czechoslovakia |
Jachowicz,A. Boundary between Ruda and Orzesze Beds in "Silesia" Coal Mine in view of microspore investigations, (Upper Silesia). (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1957 |
| details |
Westphalian A |
Westphalian D |
Poland |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| details |
Westphalian |
|
Poland |
DybovЎ,S. et al. Microspore zones in Upper Silesian productive Carboniferous. |
1957 |
| details |
Stephanian |
|
France(Jura) |
Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. |
1958 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Stephanian |
|
Illinois |
DybovЎ,S. et al. Microsporic correlation of the Synclinal Group Deposits in the Upper Silesian Basin, with the Coal Measures Groups of the Illinois, (USA). (In: Contributions to the Geology of the Silesian and Cracovian Regions. Volume 6. |
1960 |
| details |
Westphalian A |
Westphalian D |
Poland |
DybovЎ,S. et al. Microsporic correlation of the Synclinal Group Deposits in the Upper Silesian Basin, with the Coal Measures Groups of the Illinois, (USA). (In: Contributions to the Geology of the Silesian and Cracovian Regions. Volume 6. |
1960 |
| details |
Middle Pennsylvanian |
|
Oklahoma |
Higgins,M.J. Stratigraphic position of the Coal Seam near Porter, Wagoner County, Oklahoma. |
1961 |
| details |
Early Stephanian |
Middle Stephanian |
France(Jura) |
Navale,G.K.B. Palynologic study of some coals of France in relation to their petrographic structure. |
1962 |
| details |
Westphalian C |
|
Turkey |
Artuz,S. Amasra-Tarlaagzi Coal Region Kalin and Ara Layers, (Westphalian C), microspore investigation and correlation tests. |
1963 |
| details |
Early Stephanian |
|
France(Jura) |
Navale,G.K.B. Miospore assemblage pattern in the Microlithotypes of Jura Coals. |
1964 |
| details |
Westphalian C |
Westphalian D |
Czechoslovakia |
Bohacova,M. The palynological determination of the Lubna horizons in the area of Slany and Nove Straseci and the problems of the Socalled Kacice Seams. |
1964 |
| details |
Stephanian B |
|
France(Aveyron) |
Doubinger,J. Microspores of the Stephanian (Stephanien B from Cru©jouls/Aveyron-France). |
1966 |
| details |
Late Namurian |
Early Westphalian A |
Poland |
Jachowicz,A. Palynological investigations of the Upper Carboni Ferous in the Polish Part of the Upper Silesia Coal Basin |
1967 |