Bulk of valuable minerals in India are mainly associated with which kind of rocks?

metamorphic rocks metamorphic and igneous rocks igneous rocks sedimentary, metamorphic and igneous rocks

metamorphic and igneous rocks

India is endowed with a rich variety of mineral resources due to its varied geological structure. Bulk of the valuable minerals are products of pre-palaezoic age and are mainly associated with metamorphic and igneous rocks of the peninsular India. The vast alluvial plain tract of north India is devoid of minerals of economic use.