Mining Notes
I The what is mining?
Surface Mining žMineral deposits are on or near the surface of the Earth and are removed. žThere are 4 types of surface mines: 1.Open-pit: removes large, near surface deposits of minerals such as gold and copper. Mined downward in layers 2.Quarries: stone, crushed rock, sand, gravel 3.Strip Mining: removing surface coal in strips up to 50 m wide x 1 Km long 4.Mountain to Removal- top of elevation is blown off |
Reclamation
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