| details |
Early Desmoinesian |
|
Kentucky |
Eble,C.F. et al. Observations on the palynology, petrography and geochemistry of Western Kentucky Number 4 Coal Bed |
1999 |
| details |
Duckmantian |
|
Kentucky |
Greb,S.F. et al. An Insitu occurrence of coal balls in the Amburgy Coal Bed, Pikeville Formation (Duckmantian), Central Appalachian Basin, USA. |
1999 |
| details |
Desmoinesian |
|
Illinois |
de Wet,C.B. et al. Disrupted coal and carbonate facies within two Pennsylvanian cyclothems, southern Illinois basin, United States. |
1997 |
| details |
Late Westphalian A |
|
Canada(Nova Scotia) |
Opdyke,N.D. et al. Base of the Kiaman: Its definition and global stratigraphic significance. |
2000 |
| details |
Late Carboniferous |
|
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Westphalian A |
|
Poland |
Nowak,G.J. et al. Peat-forming environments of Westphalian A coal seams from the Lower Silesian Coal Basin of SW Poland based on petrographic and palynologic data. |
1999 |
| details |
Miocene |
|
Poland |
Chylarecka,A. et al. New palynological data on the age of coal pebbles from the DЄbowiec Formation (Miocene), from the Kozy MT3 borehole (Cieszyn Silesia, southern Poland). |
2004 |
| details |
Miocene |
|
Poland |
Chylarecka,A. et al. New palynological data on the age of coal pebbles from the DЄbowiec Formation (Miocene), from the Kozy MT3 borehole (Cieszyn Silesia, southern Poland). |
2004 |
| 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 |