Name of the Project
Jaguar zinc/copper/silver/gold project.

Location
Western Australia.

Client
Independence Group (IGO).

Project Description
A prefeasibility study completed on the Jaguar mine’s Triumph deposit, Stag Lens, has confirmed that an estimated ore reserve of 1.2-million tonnes grading 6.2% zinc, 0.4% copper, 85 g/t silver and 0.3g/t gold could extend the current Jaguar operation’s mine life to at least 2022. The mineral resource has been estimated at 2.2-million tonnes grading 6.2% zinc, 0.5% copper, 0.5% lead,  84 g/t silver and 0.3 g/t gold.

Stag Lens has a strike length of about 350 m, a shallow southerly down-plunge extent of about 400 m, and a maximum true of about 40 m. Stag Lens starts 170 m below the surface and extends about 400 m vertically. Mineralisation remains open down-plunge on several smaller lenses that are located nearby.

The proposed method for exploiting the Stag Lens ore reserve is following a core-and-shell mining approach, which is a hybrid method using sublevel open-stope mining (core) and mass firing of the sill and rib pillars (shell) towards the end of the life-of-mine.

The ore reserve will be accessed through a 1 400-m-long decline that has vertical depths ranging from 180 m to a maximum depth of 380 m below surface.

Ore production rates from a Triumph under-ground mine are expected to range from 150 000 t/y to 600 000 t/y.

Under an integrated development scenario, ore from Jaguar’s Bentley deposit would be preferentially fed into the Jaguar mill and supplemented with Triumph’s ore, as necessary, to feed 600 000 t/y of ore into the processing plant. Jaguar’s processing plant is currently mine-constrained because the mining areas at Bentley are limited and can produce only about 500 000 t/y.

The proposed development of Triumph would allow for the processing plant to be run consistently at a 600 000 t/y capacity.

Potential Job Creation
Not stated.

Net Present Value/Internal Rate of Return
Not stated.

Value
Not stated.

Duration
Not stated.

Latest Developments
A capital investment decision on the Triumph mine is expected in the first half of 2018.

Key Contracts and Suppliers
None stated.

On Budget and on Time?
Not stated.

Contact Details for Project Information
IGO, tel +61 8 9238 8300 or fax +61 8 9238 8399.