Toro adds resource confidence at Wiluna
PERTH (miningweekly.com) – Uranium developer Toro Energy has increased the measured and indicated resource at its Wiluna project, in Western Australia, by 75% to 25.2-million tonnes, at 511 parts per million (ppm), for 30.6-million pounds of uranium oxide (U3O8).
This was 13.3-million pounds higher than the previous measured and indicated resource estimate in 2012.
The miner had also approved 100% of the Centipede and Lake Way resource for development.
Including the Millipede resource, the three deposits now contain a Joint Ore Reserves Committee-compliant resource of 27.1-million tonnes, at 539 ppm, for 32.3-million pounds of U3O8.
MD Vanessa Guthrie said on Tuesday that the most recent drilling programme was the first significant programme undertaken at these deposits since Toro’s acquisition of Wiluna in 2007.
“While the total resource of U3O8 has not materially changed, both the confirmation of measured plus indicated resource, as well as the continuous high-grade zones of mineralisation, encourage Toro that selective ore sequencing techniques may allow a processing head grade to be achieved in the first ten years, significantly above the life-of-mine grade.”
Guthrie noted that the improvements in Toro’s knowledge of the deposits also underpinned the mine planning, process flow sheet design and economic modelling, and formed the basis for the completion of the definitive feasibility study that incorporated all six deposits of the regional resources.
The Wiluna resources were also expected to increase further with Toro’s recent purchase of the Lake Maitland uranium project, which could increase the resource base to some 76-million pounds of U3O8.
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