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Australia's South32 manganese production recovers after cyclone and beats expectations

Australia's South32 manganese production recovers after cyclone and beats expectations

South32, a diversified Australian miner, reported on Monday higher manganese ore output in the fourth quarter, exceeding analysts' expectations, after resuming exports from its Australia manganese operation following storm delays.

Groote Eylandt mining Co (GEMCO), a project of the company in Australia's Northern Territory, was hit by severe storms early in 2025. It made it difficult to restart production after a tropical-cyclone had damaged vital infrastructure at the site a year earlier.

The company released a statement saying that "Australia Manganese successfully recommenced export shipments in the third quarter, marking an important recovery from the effects caused by Tropical Cyclone Megan."

The Perth-based company said that its Australia Manganese operations will post losses of between $100 million and $120 million operating earnings by fiscal 2025. This is after a restart following disruptions caused by Tropical Cyclone Megan.

For the quarter ending June 30, the world's biggest producer of manganese (used to improve steel quality and strength) produced 1.1 million wet-metric tons of manganese. This is up from 534,000 wmt the year before.

Barrenjoey reported that the result was better than the Visible Alpha consensus of 850,000 wmt.

The company said it had invested $517 millions in growth capital expenditures at its Arizona-based Hermosa Project during fiscal 2025.

The miner, which is diversified, also reported fourth-quarter production of copper at 21,900 tonnes from the Sierra Gorda Mine in which it has a 45% share.

South32, in mid-July, had indicated an impairment at its Mozal aluminum smelter located in Mozambique. It said that its production is under review as it hasn't been able secure affordable electricity prices after March 2026. (Reporting and editing by Leslie Adler, Lincoln Feast and Adwitiya Shrivastava from Bengaluru.

(source: Reuters)