Definition of opencast in English:

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opencast

Pronunciation: /ˈəʊp(ə)nkɑːst/
British

adjective

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 shafts: opencast mining
More example sentences
  • The two main methods of extraction are opencast mining and underground mining.
  • Exploration for hydrocarbons has resulted in drilling to basement in many basins and, where coal seams occur close to the surface, opencast mining has exposed the strata.
  • Residents are claiming victory today after controversial plans for opencast mining near three quiet Yorkshire villages were thrown out.

noun

[mass noun]
The activity of opencast mining: communities facing the destruction of their countryside by opencast
More example sentences
  • Workers at the company's Westport's Stockton Mine, Huntly, the Ohai opencast in Southland and Rotowaro in the Waikato joined the strike.
  • We are virtually surrounded by opencast and landfill with the promise of another 30 years of the same.
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