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Questions and Answers

Which method of surface mining involves the extraction of minerals from a relatively shallow deposit over a large area?

  • Open-pit quarrying (correct)
  • Auger mining
  • Hydraulic mining
  • Placer mining
  • Which surface mining method is associated with the use of high-pressure jets of water to dislodge rock material or move sediment?

  • In-situ leaching
  • Evaporite processing
  • Dredging (correct)
  • Solution surface techniques
  • Which surface mining method is characterized by the extraction of minerals by injecting a leaching solution to dissolve metals in the ore deposit?

  • In-situ leaching (correct)
  • Aqueous methods
  • Strip (open-cast) mining
  • High-wall mining
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