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Nyanzaga gold project, Tanzania – update

Image of gold plates

Photo by ©Creamer Media

8th August 2025

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

     

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Name of the Project
Nyanzaga gold project (NGP).

Location
Lake Victoria Goldfields region, north-west Tanzania.

Project Owner/s
Africa-focused gold miner Perseus Mining.

Project Description
A final investment decision to proceed with the project was made in April 2025.

The NGP comprises the adjacent Nyanzaga and Kilimani deposits. The probable reserve is estimated as 52-million tonnes, grading 1.40 g/t gold and containing 2.3-million ounces of gold.

The updated feasibility study proposes gold production of more than 200 000 oz/y of gold from 2028 to 2035, with peak production of 246 000 oz in the 2028 financial year.

Perseus plans to mine the Nyanzaga (Tusker) and Kilimani deposits using a large openpit, as opposed to the smaller openpit and underground mine concept considered in the previous feasibility study.

Openpit mining will be undertaken with medium- to large-scale off-highway equipment, including 180 t to 350 t class excavators and 90 t to 150 t class dump trucks. Trucks haul ore to surface ore stockpiles, with waste being hauled to and disposed of in waste rock dumps. Front-end loaders will be used for stockpile rehandling. 

Drill-and-blast practices will be used to break competent rock. Drill-and-blast techniques, including presplit and trim shots, will be applied to minimise openpit wall damage, and blasting is proposed to be configured to minimise ore loss and waste dilution.

Potential Job Creation
Not stated.

Net Present Value/Internal Rate of Return
The project has a pretax net present value, at a 10% discount rate, of $404-million and an internal rate of return of 26%.

Capital Expenditure
$523-million. This includes $49-million in contingency, and preproduction capital of $51-million.

Planned Start/End Date
The project is expected to produce first gold in the first quarter of 2027.

Latest Developments
Integrated engineering, project, construction and asset management company Lycopodium has been awarded a A$48-million engineering, procurement and construction management (EPCM) contract for the development of the project.

The delivery of EPCM services will start immediately and the scope of work includes the engineering, design, procurement, construction management and commissioning of a five-million-tonne-a-year conventional carbon-in-leach processing plant and a selection of associated nonprocess infrastructure, including 11 kV power reticulation, water supply from Lake Victoria, tailings pipeline, decant return, workshop and warehouse.

Lycopodium previously worked on the prefeasibility and definitive feasibility studies for the project, as well as its front-end engineering design.

Key Contracts, Suppliers and Consultants
Lycopodium (EPCM).

Contact Details for Project Information
Perseus Mining, tel +61 8 6144 1700.
 

Edited by Creamer Media Reporter

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