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Oct 26, 2018·Shaft mining means mining by shaft sinking which is just another name for an underground type mining. Open pit mining is where we remove the overburden and extract the deposit which looks like a pit of see its aerial imageChat Online
The deepest open pit mine is in theUSA and is 3900 feet deep. It is a copper mine.Ashaft mine,also called a deep mine is where you dig holes (shafts) into the ground with branchesoff the shaft (drifts) to reach the coal or ore. The deepest shaft mine is 12,600 feet deep. It is a diamond mine in South Africa.