OZ Minerals has reported the results of a scoping study for a block cave expansion at its Carrapateena mine-development project in South Australia. The scoping study shows that converting the lower half of the Carrapateena sub-level cave, currently under construction, to a block cave from 2026 could double the mine throughput rate from 4.25 million metric tons per year (mt/y) to 10 million mt/y to 12 million mt/y. It could also increase life-of-mine average copper production from 105,000 mt/y to 125,000 mt/y from 2026.
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