| details |
Paleocene |
Late Eocene |
India(Assam) |
Baksi,S.K. Stratigraphical position of Cherra Formation of south Shillong Plateau. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Early Eocene |
Middle Eocene |
India(Assam) |
Chakraborty,A. et al. Stratigraphy of the Cretaceous - Tertiary sedimentary sequence, southwest of Shillong Plateau. |
1972 |
| original |
Tertiary |
|
India(Assam) |
Dutta,S.K. et al. Palyno-stratigraphy of the Tertiary sedimentary Formations of Assam. 5.Stratigraphy and palynology of South Shillog |
1970 |
| original |
Eocene |
Miocene |
India(Assam) |
Sah,S.C.D. et al. Palynostratigraphy of the Tertiary sedimentary formations of Assam. |
1968 |