Question

Give a point of differentiation between opencast mining and staff mining ?​

Answer 1

Answer:

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Explanation:

Open pit. ... The deepest open pit mine is in theUSA and is 3900 feet deep. It is a copper mine. A shaft 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

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Answer 2

Answer:

open cast -----Open cast = Open pit. ... The deepest open pit mine is in theUSA and is 3900 feet deep. It is a copper mine. A shaft mine, also called a deep mine is where you dig holes (shafts) into the ground with branchesoff theshaft (drifts) to reach the coal or ore.

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