St Barbara unveils plans for Fifteen Mile Stream
PERTH (miningweekly.com) – Gold miner St Barbara has unveiled plans for a standalone 1.7-million- to 1.8-million-tonne-a-year operation at its Fifteen Mile Stream project, in Nova Scotia.
The company said on Wednesday that concept-level evaluations had determined that the relocation of the bulk of the Touquoy processing plant to Fifteen Mile Stream was the preferred development pathway for the next phase of the company’s Atlantic business.
The Touquoy processing plant was commissioned in 2017 with a nameplate throughput rate of two-million tonnes a year. While the Fifteen Mile Stream ores are expected to be harder and require finer product size compared to the ore from Touquoy, the processing plant is more than capable of achieving the targeted throughput rate of 1.7-million and 1.8-million tonnes a year.
St Barbara said that significant savings in capital costs would be realised through the re-use of equipment from the Touquoy processing plant.
“This new design for Fifteen Mile Stream is an excellent alternative pathway to development with improved recoveries and with lower overall capital cost and execution risk,” said MD and CEO Andrew Strelein.
“Given the delays in approvals to our in-pit tailings proposal it is time to move away from the earlier design which integrated with the Touquoy mine. This is a simpler standalone proposition with design parameters targeting a ten-year mine life and approximately 60 000 oz/y.”
The Fifteen Mile Stream project comprises up to four openpits, with low waste to ore strip ratios.
St Barbara is now working to complete an updated process plant design and capital and operating cost estimates by early November, and will update the mineral resource and ore reserve estimates for the project.
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