Question

Differentiate between open cast mining and shaft mining?​

Answer 1

Answer:

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Explanation:

Open cast mining refers to the extraction of minerals from a shallow depth of the earth. Shaft mining refers to the extraction of minerals by constructing horizontal shafts deep within the earth.

Answer 2

Answer:

1. Open cast mining in which large pits are dug to excavate the ores lying at shallow depths beneath the surface of the earth. Minerals that lie near the surface are also dug out by the process of quarrying. ... Deep shaft mining in which deep holes are made to reach the ore lying at great depth beneath the crust.

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