Reporting results for the three-month period ended June 30, the miner said that offers for Eagle Downs received so far have not been acceptable, adding that it was still seeking potential divestment opportunities.
South32, which was spun off from BHP in 2015, said it produced 1.38 million tonnes of metallurgical coal in the quarter, a 3% rise from the 1.34 million tonnes it churned out in the same period last year.
Total coal output, however, fell 8% in the period to 1.6 million tonnes, with the miner joining other major companies in flagging labour shortages as one of the main reasons for the production drop.
South32 said unit costs at one of its newest assets, the Sierra Gorda copper mine in Chile, would likely be 5% above earlier guidance.
The company believes Sierra Gorda, which has a production capacity of about 150,000 tonnes of copper concentrate and 7,000 tonnes of molybdenum, will add between 70,000 and 80,000 tonnes of copper to its portfolio. Sierra Gorda, which began production in 2014, has failed to meet expectations due to challenging metallurgy and difficulties in using seawater for processing.
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