Definition of opencast in English:

opencast

Line breaks: open|cast
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.
    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] Back to top  
  • 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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