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Heron cranks up underground mining

HERON Resources has started processing underground ore from its Woodlawn copper-zinc mine in New South Wales, a critical milestone that the miner hopes means it can finally reach full production by mid-2020.

Woodlawn is finally stoping ore from its underground lenses.

Woodlawn is finally stoping ore from its underground lenses.

Around 10,000 tonnes of ore grading 3.9% zinc, 1.3% lead and 0 .3% copper, plus silver and gold, has been delivered to the plant from the G2 Lens, 135m below surface, following some 8000t of hanging wall...

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