In which mining excavated mineral in small pits but transported to surface through underground excavation and transport system.
A. Placer mining
B. Dredging
C. Glory hole
D. Stripping
Answer: Option C
This Question Belongs to Mining Engineering >> Opencast Mining
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The mining method which does not distroy the land for agriculture and residential purposes.
A. Striping
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B. 3 to 4.5
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