| details |
Early Cretaceous |
Early Paleocene |
India(Assam) |
Biswas,B. Stratigraphy of the Mahadeo, Langpar, Cherra and Tura Formations, Assam, India. |
1962 |
| details |
Aptian |
Danian |
India(Madras) |
Banerjee,D. et al. Cretaceous microflora from South India. Volume 1: "Cretaceous-Tertiary Formations of South India". |
1968 |
| details |
Miocene |
|
India(Assam) |
Ray,D. et al. Subsurface stratigraphy of an area Northeast of Nazira Syncline, Upper Assam Valley. |
1973 |
| details |
Middle Miocene |
Late Miocene |
India(Assam) |
Banerjee,D. et al. Palynology of the Tertiary Subcrops of Upper Assam. |
1973 |
| details |
Miocene |
|
India(Assam) |
Shrivastava,P.K. et al. Tipam Group in the subsurface of Upper Assam Valley, South of Brahmaputra. |
1974 |
| details |
Miocene |
|
India(Assam) |
Banerjee,D. et al. Palynological palaeoecology of the Tertiary subsurface sediments of Upper Assam, India. |
1979 |