The Jundee Gold Mine, formerly owned and operated by Newmont Asia Pacific and now owned by Northern Star Resources Ltd., is one of Australia’s most remote operating gold mines. It is about 700 kilometers northeast of Perth and 45 kilometers northeast of Wiluna in Western Australia.

Over a 10-year period, Tetra Tech Proteus has completed a number of sustaining capital studies and projects to improve the efficiency of the plant. This work has enabled Jundee to maintain and increase its production and profitability.

The studies and projects Tetra Tech Proteus has completed have included the following areas:

Crushing circuit

  • Rock breaker installation (EPCM)
  • Conveyor rock nets


  • Capacity upgrade (EPCM)
  • Pebble crusher bypass impact box
  • Scats dewatering scree
  • SAG and ball mill lifter monorail design check
  • Stock pile cover
  • Ball mill valving upgrade


  • Circuit upgrade
  • Knelson hopper steelwork modification


  • Carbon in leach agitator
  • Agitator base modification
  • Airlift platforms
  • Loaded carbon bypass


  • Piping upgrade


  • Tailings disposal system capacity


  • Optimization


  • Shed relocation
  • Lightning protection study