| details |
Westphalian D |
|
Spain |
Saenz de Santa Maria,J.A. et al. Contributions to the knowledge of the stratigraphy and sedimentology of the productive Carboniferous of the Central Asturian Coalfield |
1985 |
| details |
Middle Westphalian D |
Late Westphalian D |
Spain |
Luque,C. et al. Characteristic sedimentology and paleontology of productive formations the La Inverniza-El Cabo Cross section (Central Asturian Coalfields) |
1985 |
| details |
Stephanian A |
Stephanian B |
China(Shansi) |
Gao,L. Carboniferous and Early Permian spore assemblages of North China Region and the boundary of the Carboniferous and Permian |
1985 |
| details |
Early Stephanian B |
|
Spain |
Horvath,V. et al. Geological study of the Stephanian of Arnao (Asturias, No. de Espana). |
1987 |
| details |
Stephanian B |
Stephanian C |
France(Aveyron) |
Ligouis,B. et al. Petrology, palynology and depositional environments of the "Grande Couche de Bourran" from the Stephanian Basin of Decazevile, France. |
1991 |
| details |
Middle Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrology and palynology of the No.5 Block Coal Bed, Northeastern Kentucky |
1994 |
| details |
Westphalian A |
|
Canada(Nova Scotia) |
Hower,J.C. et al. Metalliferous coals of the Westphalian A Joggins Formation, Cumberland Basin, Nova Scotia, Canada: petrology, geochemistry, and palynology. |
2000 |