INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ often form at bends in a river where the water flows more slowly and heavier materials are likely to settle out.
A
Dredges
B
Placer deposits
C
Seams
D
Fans
Explanation: 

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.

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