Mine Spoil Waste
Most human extractions of earth materials, such as clay for pottery or coal for power generation, produce some waste. The raw materials are rarely pure, so unwanted detritus is disc...
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Strip Mining
This technique is used for near-surface, relatively flat sedimentary mineral deposits. How deeply the mining can occur is essentially determined by the combination of technological capa...
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Surface Mining
Surface mining techniques are used when a vein of coal or other substance lies so close to the surface that it can be mined with bulldozers, power shovels, and trucks instead of using...
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Mine Spoil Waste