indian minerals & energy resources section 1 MCQ Questions & Answers Detailed Explanation

Answer: (a)

Anthracite has higher percentage of Carbon. It has a carbon content of over 87% on a dry ash-free basis.

Answer: (a)

Balaghat is known for its Manganese production. About 80% of Manganese production of the country comes from Balaghat. Majhgaon is known for its diamond mines, which is situated in the Panna District of Madhya Pradesh.

Answer: (b)

About 80% of the known world manganese resources are found in South Africa; other important manganese deposits are in Ukraine, Australia, India, China, Gabon and Brazil.

The 96% of global production of manganese today is from barely 7 countries viz.

1. CIS,
2. RSA,
3. Brazil,
4. Gabon,
5. Australia,
6. China and
7. India in decreasing order of tonnages raised annually.

The global resource base is close to 12 billion tonnes including an Indian reserve of about 240 million tonnes. Indian manganese ores are preferred by many as they are generally hard, lumpy and amenable to easy reduction.

In the Indian continent, the deposition of manganese must have taken place in varying environmental settings and by different geological processes but the sedimentary mode of formation far outweighed other methods such as supergene enrichment etc.

Answer: (d)

Answer: (d)

Answer: (c)