Correct option is D
The correct answer is: (d) Gold
Explanation:
Kolar, located in Karnataka, India, is historically famous for its Kolar Gold Fields (KGF), one of the deepest and oldest gold mines in the world.
The Kolar Gold Mines were operational for over 120 years until they were closed in 2001 due to declining reserves and increasing production costs.
Information Booster:
- The mining operations were started by the British in 1880, and KGF played a crucial role in India’s gold production.
- The mines reached depths of over 3,000 meters, making them one of the deepest mines globally.
- KGF was known as the "Little England" due to its British-style infrastructure, including clubs, hospitals, and bungalows.
- After the closure in 2001, efforts have been made to revive gold mining in Kolar due to its untapped reserves.
- The gold extracted from KGF was purified and processed at the Indian Government Mint in Bangalore.
- The Bharat Gold Mines Limited (BGML) was responsible for managing the mining operations.
Additional Information:
- Silver: Major silver production in India comes from Zawar Mines in Rajasthan.
- Limestone: Found in Madhya Pradesh, Chhattisgarh, and Andhra Pradesh.
- Copper: Major copper mines are located in Jharkhand (Singhbhum), Rajasthan (Khetri), and Madhya Pradesh (Malanjkhand).