[ UK /ˈə‍ʊpənkˌɑːst/ ]
  1. (of mines and mining) worked from the exposed surface
    opencast mining
    an opencut iron mine
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How To Use opencast In A Sentence

  • Earthwatch's ‘Cradle for Nature’ project was designed to develop a green way of using trees to create new soils on barren wasteland left behind after opencast 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.
  • However, there was also an opencast coal site on the outskirts of Chorley, which was a focus for picketing.
  • We will reverse the present planning presumption in favour of opencast coal mining and give top priority to local people and their environment.
  • He would "cosmeticize"the opencast copper mine.
  • The project envisages over 400 opencast mines in an area collectively estimated to be home to around 1,500 tigers - one quarter of the entire global population.
  • Scottish Coal employs more than 1,000 at opencast mines in Lanarkshire, Ayrshire and Fife, supplying 4.3 million tons of coal a year to the power industry.
  • Namdeb conducts opencast diamond mining operations over nearly 130 kilometres of the coastal strip northwards of the Orange River.
  • The 1990s in Britain were marked by large and dramatic public protests against a government-sponsored programme of road building, and a private sector-led expansion of opencast quarrying.
  • The two main methods of extraction are opencast mining and underground mining.
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