MINERAL AND ENERGY RESOURCES IN INDIA
MINERALS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dredges
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Placer deposits
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Seams
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Fans
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Detailed explanation-1: -These mining categories are: strip mining, open-pit mining, mountaintop removal, dredging and high wall mining.
Detailed explanation-2: -Strip mining is a practical type of mining when the ore body that is to be extracted is near the surface. Open-pit mining is the process of extracting rock or minerals from the earth through their removal from an open pit or borrow.
Detailed explanation-3: -The open-pit mining cycle includes drilling ore and waste rock, loading drill holes with explosives, blasting, ore loading and hauling to stockpiles for processing, waste rock loading and hauling to the waste rock storage pile.
Detailed explanation-4: -Underground mines are more expensive and are often used to reach deeper deposits.