Drilling by Antares Minerals (ANM-V, ANMFF-O) at the Haquira porphyry-copper project in southern Peru has intersected high-grade leachable copper mineralization on a western extension of the known deposit.
A 22.2-metre interval in hole AHAD-031, drilled about 270 metres southwest of previous mineralized intersections, averaged 2.07% copper. The result shows that the copper mineralization at Haquira does extend west of the known deposit.
Four other drill holes tested geological and geophysical targets well beyond the Haquira resource.
A new resource estimate, done for Antares by Denver, Colo., consulting firm Chlumsky, Armbrust and Meyer, put the inferred oxide and secondary-sulphide resource at 156 million tonnes grading 0.49% copper. Another inferred resource of 97 million tonnes grading 0.42% copper consists of primary sulphide material.
Leachability tests on the samples from hole 031 showed 93.5% of the copper was extracted by either sulphuric acid or sodium cyanide.
Another 14,000 to 18,000 metres of drilling is planned, starting in June. The drilling will concentrate on infill holes in a planned starter pit in the secondary-copper resource and on extensions of the inferred resource.
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