International Mining Consultants

CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology. We have been providing a wide range of engineering services to the mining industry for over 35 years.

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CNI is an industry leader in:


OPEN PIT

  • Open-pit slope angle recommendations
  • Cost-benefit analysis
  • Waste stockpile and spoils pile stability evaluations

UNDERGROUND

  • Underground mining rock mechanics
  • Mining methods selection
  • Ground support system design and implementation

HYDROGEOLOGY

  • Pit dewatering
  • Numerical flow and transport modeling
  • Groundwater data collection and monitoring

GEOLOGY

  • Drill program planning and management
  • Surface mapping and drilling data collection
  • Geologic modeling

OTHER SERVICES

  • Geotechnical instrumentation
  • Piezometer and TDR cable installation
  • Geomechanical rock and soils testing laboratory