S. No | Formation | Age | Lithology |
1 | Siwalik group | Mio-Pliocene | Conglomerate, Sandstone and Clay |
2 | Laki Formation | Eocene | Limestone, shale and sandstone |
3 | Lakhra Formation | Late Paleocene | Limestone, shale and sandstone |
4 | Bara Formation | Middle Paleocene | Sandstone, Shale and shale |