What is open pit mining?
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"an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open to the surface for the duration of the mine's life."
To expose and mine the ore, it is generally necessary to excavate and relocate large quantities of waste rock.
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Answered by
7
Answer:
an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open to the surface for the duration of the mine's life.
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