Gamsberg North and Kloof underground mining project, South Africa
Name of the Project
Gamsberg North and Kloof underground mining project.
Location
At the Gamsberg zinc mine, in the Namakwa Special Economic Zone, in the Northern Cape, South Africa.
Project Owner/s
Black Mountain Mining, a subsidiary of Vedanta Zinc International (VZI).
Project Description
The project involves the development of two underground mining operations targeting the Gamsberg North and Kloof orebodies.
The project is expected to increase underground mining capacity from about 500 000 t/y to 2.5-million tonnes a year. Zinc metal-in-concentrate production is expected to increase from about 25 000 t/y to 138 000 t/y.
The underground development will support the continued extraction of the Gamsberg orebody beyond the current openpit operation. Current mineral reserves and resources indicate a potential life-of-mine of 29 years, including a 12-year peak production period.
Potential Job Creation
The project is expected to create between 500 and 800 jobs during construction, and a further 250 to 300 permanent jobs during peak operations.
Net Present Value/Internal Rate of Return
Not stated.
Capital Expenditure
Approved capital expenditure was estimated at $200-million as at April 2026.
Planned Start/End Date
Project completion is targeted for the first half of the 2027/28 financial year.
Latest Developments
The feasibility study for the project was completed in 2025.
Key Contracts, Suppliers and Consultants
ABGM (mine design and optimisation); and SRK (reserve and resource update).
Contact Details for Project Information
Vedanta Zinc International, tel +27 11 685 3960 or email info@vedantaresources.co.za.
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