Macraes Gold Tungsten Project


OceanaGold Corporation


Dunedin, Otago South Island, New Zealand


  • metallurgy and process plant component of a feasibility study
  • relocation of existing pressure oxidation circuit
  • new additional equipment as well as a PFS level study into a 1.0 Mt/y tungsten concentrate plant to process high scheelite ore.
  • feasibility study developed utilising operating costs developed from mature Macraes gold plant, as well as costs to relocate and refurbish the equipment associated with the existing POX, CCD and neutralisation circuits

Highlights and Achievements

  • completed in seven months.