Definition of open-pit in English:

open-pit

Syllabification: o·pen-pit

adjective

North American
Denoting a method of mining in which coal or ore is extracted at or from a level near the earth’s surface, rather than from underground workings.
More example sentences
  • The Marquette iron range, which has hosted more than 240 mines since its beginning in 1845, now features only two open-pit taconite mines.
  • When scientists hunt for dinosaur tracks they look for areas where ancient layers of sedimentary rock are exposed, such as cliffs, sea coasts, quarries, open-pit mines, desert arroyos, and along the banks of rivers and streams.
  • The Western Shoshone, whose traditional domain covers most of Nevada, are the unhappy hosts to more than three dozen open-pit gold mines on their land, many at least a mile wide and a mile deep, with toxic ponds at the bottom.

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