This section addresses the spatial distribution of India's mineral wealth. It tests understanding of the major mineral-bearing geological formations (e.g., Chota Nagpur Plateau, Dharwar craton) and state-wise resource mapping for Civil Services Prelims.
Correct Answer:
(B) Dharwar System
Dharwar system is the most important mineralized rock system in India. These rocks are economically very important as they possess valuable minerals like high-grade iron-ore, manganese, copper, lead, gold, etc.
Ques: 2
Which is known as the storehouse of Indian minerals?
Correct Answer:
(A) Chhota Nagpur plateau
The Chhota Nagpur plateau is called the deposit of Indian mineral substances, due to the richness of minerals, it is also called the Rur region of India.
Ques: 3
A huge amount of sources found in the Vindhya rocks are of –
Correct Answer:
(A) Limestone
The rocks of the Vindhya range are actually sedimentary rocks which were formed by sedimentation of water suspended particles. Among these rocks, prominent minerals are limestone, sand, China clay, etc. Limestone is the base of the cement industry.
Ques: 4
Given below are two statements. One labelled as Assertion (A) and the other as Reason (R) :
Assertion (A) : Gondwana System of Rocks provides about 95% of the coal of India.
Reason (R) : Most of the ferrous and non-ferrous minerals are associated with the Dharwar system of rocks.
Select the correct answer from the codes given below:
Codes :
(A) and (R) are correct, and (R) is the correct explanation of
(A).
Correct Answer:
(B) .
Gondwana system of rocks provides about 90% of the coal of India. The important coal-bearing areas of this series are Raniganj, Jharia, Karanpur and Bokaro of the Damodar Basin in Odisha, and the Pench Valley in Chattisgarh and Madhya Pradesh. Dharwar system of Rocks: They are named Dharwar system because they were first studied in Dharwar region of Karnataka. The Dharwar system is rich in ferrous and non-ferrous minerals.
Ques: 5
In which rock system, out of the following, is iron-ore found in India ?
Correct Answer:
(C) Dharwar
Iron ore in India is found mainly in Dharwar rock system. Dharwar- rock system is the most important rock system in terms of economic value in India.