Distinguish between open cast and shaft …
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Posted by Premesh Mahato 5 years, 4 months ago
- 2 answers
Gaurav Seth 5 years, 4 months ago
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.
2. Deep shaft mining in which deep holes are made to reach the ore lying at great depth beneath the crust.
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Nishant Dahiya 5 years, 4 months ago
1Thank You