| details |
Autunian |
Thuringian |
India |
Navale,G.K.B. et al. An appraisal of coal petrographic facies in Lower Lower Gondwana, (Permian) coal seams of India. (In: Peat and Coal; Origin, Facies and Depositional Models. P.C.Lyons and B.Alpern, editors) |
1989 |
| details |
Permian |
|
Antarctica |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Permian |
|
India |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Permian |
|
South Africa |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |