4 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
soda prairie
Mining; General mining
An extensive level barren tract of land covered with a whitish efflorescence of sodium carbonate (natron), as in parts of southwestern and western United States and Mexico.
salt prairie
Mining; General mining
An extensive level barren tract of land covered with a whitish efflorescence of sodium carbonate (natron), as in parts of southwestern and western United States and Mexico.
tidal flat
Mining; General mining
An extensive marshy or barren tract of land that is alternately covered and uncovered by the tide, and consisting of unconsolidated sediment (mostly mud and sand). It may form the top surface of a ...
hammada
Mining; General mining
An extensive, nearly level, upland desert surface that is either bare bedrock or bedrock thinly veneered by pebbles, smoothly scoured and polished and generally swept clear of sand and dust by wind ...
steppe
Mining; General mining
An extensive, treeless grassland area in the semiarid mid-latitudes of southeastern Europe and Asia. It is generally considered drier than the prairie which develops in the subhumid midlatitudes of ...
portable mine cable
Mining; General mining
An extra-flexible cable used for connecting mobile or stationary equipment in a mine to a source of electric energy where permanent wiring is prohibited or impractical. (A portable cable for mining ...
