紫金矿业

Bisha Copper-Zinc Mine
Bisha Copper-Zinc Mine
Bisha Zinc-Copper Mine
Bisha Copper-Zinc Mine

The Bisha copper-zinc mine is the largest producing zinc project in Eritrea, extracting 2.9 million tonnes of ore per annum.

Bisha Copper-Zinc Mine
  • Location
    Gash-Barka, Eritrea
  • Ownership
    55%
  • Status
    In production
  • Deposit type
    Volcanogenic massive sulfide deposit
  • Resources
    Contained zinc: 2.7566Mt, Grade:3.64%
    Contained copper: 763,100kt, Grade:0.5%
  • Mining & processing methods
    Open-pit mining + underground mining + flotation
  • 2025 production
    Zinc: 83kt, Copper: 23kt, Silver: 63.4t (100% basis)
  • Project Overview

    The Bisha copper-zinc mine is the largest producing zinc operation in Eritrea, extracting 2.9 million tonnes of ore per annum.

  • Debottlenecking and Expansion

    In 2025, the operation completed pre-stripping works for the Hambok open pit and started ore extraction, while the Asheli underground mine also commenced production. Engineering and preparatory work for construction are underway for the Harena underground mine.

  • M&A

    Zijin Mining completed the acquisition of a 60% interest in the Bisha copper-zinc mine in 2019. Currently, it holds a 55% interest in the operation, while the Eritrean National Mining Corporation (ENAMCO) holds the remaining 45%.