South32 says Hermosa PFS delayed to next year
Diversified miner South32 has pushed out the completion of a prefeasibility study (PFS) for the Taylor deposit at the Hermosa base metals project, in Arizona, to the June 2021 half-year, the company reported on Monday.
The miner initially aimed to have a PFS for Taylor completed in the September quarter of this year.
South32 said study work to date supported a potential unconstrained development of Taylor, including its integration with the Clark deposit, for which a scoping study was under way.
“All options under consideration have different cost, permitting and schedule implications,” the diversified mining company said.
The Taylor deposit hosts some 155-million tonnes, grading 3.39% zinc, 3.67% lead, 69 g/t silver for some 5.3-million tonnes of zinc, 5.7-million tonnes of lead and 344-million tonnes of silver, while the Clark deposit has a resource of 55-million tonnes, grading 2.31% zinc, 9.08% manganese and 78 g/t silver for the Clark deposit.
South32 acquired Hermosa as part of the $1.3-billion acquisition of TSX-listed Arizona Mining, in 2018.
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