Correct Answer: (c) Copper ore
Solution:Malanjkhand is an open pit copper mine located in Balaghat (Madhya Pradesh). According to the IMYB, 2021, it is the leading producer of Copper Ore in India. Copper, known for its high conductivity, malleability, and corrosion resistance, plays a crucial role in modern industries. India, although not among the largest producers of copper, has a significant copper industry that contributes to various sectors of the economy. Copper is malleable and ductile, Resistant to corrosion. Copper is 100% recyclable without any loss in quality, making it an eco-friendly metal.
Mining Process:
• Open-pit mining: Common for surface-level deposits.
• Underground mining: Used for deeper deposits.
• Leaching: A chemical process for extracting copper from ores.
Refining: Smelting and electrolytic refining processes are used to obtain pure copper.
Major Copper Reserves:
• Rajasthan: Khetri and Jhunjhunu belt.
• Madhya Pradesh: Malanjkhand mine, the largest open-pit copper mine in India.
• Jharkhand: Singhbhum copper belt.
Production Facilities: Hindustan Copper Limited (HCL) operates key copper mines in these regions.