Surface mining facts for kids
Surface mining includes strip mining, open-pit mining (UK: open cast mining) and mountaintop removal mining. It is mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels.
In most forms of surface mining, heavy equipment, such as earthmovers, first remove the overburden. Next, huge machines, such as dragline excavators or Bucket-wheel excavators, extract the mineral.
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Surface mining Facts for Kids. Kiddle Encyclopedia.