Formations | Lithounits | ||
Recent | Alluvium. Unconformity. | ||
Proterozoic | Sausar group | Intrusive | Pegmatite and vein quartz. |
Bichua formation | Dolomite marble calc silicate rocks, bio-mus-schist, sillimanite bearing quartz-bio-granulites. | ||
Chorbaoli formation | Garnet-staurolite-quartz-muscovite schist. Micaceous and cherty quartzite locally with garnet and magnetite. | ||
Mansar formation | Manganese ore I and gondite musco-schist, musbio-schist with sillimanite. Manganese ore II, schist. Manganese ore III with gondites. | ||
Lohangi formation | Dolomite marbles with lenses of Manganese ore, calc-silicate rocks, calc-granulites, quartz-bio-granulites and gneisses. | ||
Archaean | Tirodi biotite gneiss | Disconformity. Biotite gneiss, migmatite, tonalite gneiss, cordierite gneiss, amphibolites etc. |