A) precious stones and building materials
B) iron ore and manganese
C) bauxite and mica
D) copper and uranium
Correct Answer: A
Solution :
The Vindhyan system of rocks is important for the production of precious stones and building materials. The system derives its name from the Vindhyan hills where its rocks are prominently exposed. It forms a dividing line between the Ganga Plain and the Deccan. The main rocks of the Vindhyan system are coarse, medium and line textured sandstones, shale?s and limestones. The Vindhyan system of rocks bed out precious stones, ornamental stones, diamond building materials, and raw materials for cement, lime, glass and chemical industries
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