Explain why Chota Nagpur is a storehouse of minerals

Explain why Chota Nagpur is a storehouse of minerals.

Hint-

  1. It is rich in minerals like bauxite, mica, limestone, copper, iron ore and coal.
  2. Presence of Damodar Valley Corporation, which supplies majority of the coking coal in India
  3. Holds a good share of country’s mineral output
  4. Districts of east and west Singhbhum are a major source of minerals in this region.