Question

Q. The mineral is found mainly in tertiary deposits and is associated with laterite rocks. It is used in manufacturing aluminium. Odisha is the largest producer of this mineral.

In the context of the above description, identify the mineral from the options given below:

• A.
  Manganese
• B.
  Bauxite
• C.
  Mica
• D.
  Copper

Answer 1

The correct option is B

Bauxite
Explanation:

Option (a) is incorrect: Manganese deposits are mainly associated with the Dharwar rock system but almost found in all geological formations.

Option (b) is correct: Bauxite is the ore, which is used in manufacturing aluminium. Bauxite is found mainly in tertiary deposits. Bauxite is associated with laterite rocks which occur either on the plateau or hill ranges of peninsular India and in the coastal tracts of India. Odisha is the main Bauxite manufacturer. Odisha alone accounts for nearly 50 per cent of Indian bauxite supply. Odisha has bauxite reserves of around 1,370.5 million tonnes.

Option (c) is incorrect: Jharkhand, Andra Pradesh and Rajasthan are the largest producers of Mica in India and not Odisha.

Option (d) is incorrect: Madhya Pradesh is the leading producer state of copper concentrates, accounting for about 53% of the production.