Kokoya


The Kokoya Gold Mine started as an open pit operation in 2016 and progressed underground in 2020. Underground mining suspended in 2022 until the gold price becomes more favourable.

  • Acquired from Amlib Holdings Plc in April 2014 at PFS stage.
  • Mine designed, constructed and in operation approximately 2 years after acquisition, with production commencing in May 2016
  • Three stage primary jaw, rod mill and ball mill
  • Ball mill design – 65 tph – 1.3 MW drive
  • Mill Capacity 0.75 Mtpa crushed ore.
  • Conventional gravity circuit with Knelson concentrator
  • CIL circuit
  • 92 – 95% recovery overall
  • TSF – Fully lined and waste rock perimeter walls.

Kokoya UG Mine (August 2020 to December 2022)

  • First Underground Mine operation for Republic of Liberia
  • Two different Main Mining method was applyed at Kokoya UG;
    • Cut & Fill Method (Arhavi Gold vein)
    • Transverse and Longitudinal Sublevel Stopes and Drift &Fill Method (İstanbul Gold Vein)
  • Total Lateral Development has reached about 10.3 km
  • Underground portal has reached the final vertical depth (244 m)
  • Project to December 2022 production:
    • Total mined: 0.91M tonnes
    • Total ore: 0.54M tonnes
    • Average ore grade mined: 3.81 g/t gold
    • Total waste: 0.38M tonnes

Kokoya Open Pit Mine (January 2016 to December 2021)

  • Three different Open pits are located at Kokoya Gold Mine
  • Pits Width Lengths are: Arhavi: 244 m, İstanbul: 288 m, Ankara: 140 m
  • Length of Pits: Arhavi: 483 m, İstanbul: 536 m, Ankara: 195 m
  • İstanbul Open pit has reached the final depth (145m)
  • Arhavi Open pit has reached the final depth (135m)
  • Ankara Open pit has reached the final depth (55m)
  • Project to December 2022 production:
    • Total mined: 37M tonnes
    • Total ore: 2M tonnes
    • Average ore grade mined: 4.24 g/t gold
    • Total waste: 35M tonnes

Key Facts

Mine Type

OP / UG

Deposit Type

Orogenic Gold

Production Type

Surface Mining at OP / CAF, DAF and Sublevel Stope Mining at UG

Process Type

CIL (Average Recovery 92% - 95%)

Remaining Life Of Mine

24 Months