Kokoyah


The Kokoyah Gold Mine started as an open pit operation in 2016 and progressed underground in 2020. Underground mining stopped 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.

Kokoyah UG Mine (Aug-2020 to Dec-2022)

  • First Underground Mine operation for Republic of Liberia
  • Two different Main Mining methods is applying at Kokoyah 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
  • The underground portal has reached the final vertical depth (244 m)
  • Project-to-date production:
    • Total mined: 0.91 M tonnes
    • Total ore: 0.54 M tonnes
    • Average ore grade mined: 3.81 g/t gold
    • Total waste: 0.38 M tonnes

Kokoyah Open Pit Mine (Jan-2016 to Dec-2021)

  • Three different Open pits are located at Kokoyah 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-date production:
    • Total mined: 37 M tonnes
    • Total ore: 2 M tonnes
    • Average ore grade mined: 4.24 g/t gold
    • Total waste: 35 M 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 %94.88)

Remaining Life Of Mine

Completed

2023 Production Physicals

35kt @3.89 g/t, 4KOz