| details |
Late Visean |
Late Westphalian B |
United Kingdom |
Butterworth,M.A. et al. Microspore distribution in the coalfields of Britain |
1960 |
| details |
Late Namurian A |
|
Canada(British Columbia) |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Late Namurian A |
|
Canada(Alberta) |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Late Namurian A |
|
Montana |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Late Namurian A |
|
North Dakota |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| original |
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 |
Late Westphalian C |
|
Belgium |
Pi©rart,P. Palynology and stratigraphy of the Neeroeteren Zone, (Upper Westphalian C), in the Belgian Kempen. |
1958 |
| details |
Rotliegendes |
|
Germany(Leipzig) |
Schaarschmidt,F. Palynological investigation of the Lower Permian of the Thuringen Wald. |
1957 |