Question

Differentiate the open cast and shaft mining.

Answer 1

OPEN CAST mining involves the digging out of minerals that occur on the earth surface

SHAFT MINING also called as underground mining extracts minerals from greater depth beneath the surface

Answer 2

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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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