Heron Resources has reported the results of a preliminary economic assessment (PEA) of its 100-owned and fully permitted Woodlawn zinc-copper project 220 km southwest of Sydney, New South Wales, Australia. The project is located on the site of the former Woodlawn mine, which operated from 1978 to 1998 and processed 13.8 million mt of ore from open-pit, underground, and satellite deposits at average grades of 9.1 zinc, 1.6 copper; 3.6 lead, 0.5g/mt gold, and 74g/mt silver.
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