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.