IN CASE YOU MISSED IT: 5 key stories from March 4

Here are five Fastmarkets stories you might have missed on Wednesday March 4 that are worth another look.

Brazilian mining company Vale has decided to halt operations indefinitely at its Fazendão iron ore mine in the south-eastern state of Minas Gerais, after an expansion permit was revoked in February by the local environmental development council.

Market participants avoided sending aluminium from Southeast Asia to the United States due to weak aluminium prices on the London Metal Exchange and premiums in the US Midwest.

Conversations at Fastmarkets’ International Copper Conference in Amsterdam, the Netherlands, on February 26-28 revolved around the impact of the novel coronavirus (2019-nCoV) on copper production and procurement chain, as well as logistics disruptions.

Production of nickel-cobalt-manganese (NCM) lithium-ion batteries at South Korean battery maker LG Chem is not being affected by supply disruptions at L&F, one of its local cathode materials suppliers, a company source told Fastmarkets.

The Chinese ferro-silicon price continued to fall in the week to March 4 due to high stocks and worsening magnesium price performance.

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Global aluminium producers face heightened uncertainty over power supplies, with oil and gas prices elevated by the closure of the Strait of Hormuz, through which around 20% of global oil and liquefied natural gas (LNG) flows, sources told Fastmarkets.
Fastmarkets is extending the consultation period for the methodology of several of its black mass payables indicators and prices, and is also proposing changes to the names of CIF South Korea and EWX Europe black mass prices.
Rio Tinto Aluminium is expanding its footprint beyond its historic hydro-powered Canadian base, targeting Europe, Asia and Latin America as part of a deliberate diversification strategy, according to the unit’s chief executive officer.
Fastmarkets has corrected its copper concentrates treatment and refinement charge indices, which were published incorrectly on March 20 2026 due to a technical error.
Fastmarkets has corrected its copper concentrates treatment and refinement charge indices, which were published incorrectly on February 27 2026 due to a backend calculation error. Fastmarkets has also corrected the indices' rationale and all related inferred indices.
Mitsui & Co has locked in long-term copper concentrate supply by acquiring 40% offtake rights to Argentina's Josemaria deposit, while Fortescue has completed its acquisition of Peru's Cañariaco project for approximately C$139 million ($101 million), marking the latest in a wave of offtake deals and mergers and acquisitions (M&A) while majors race to secure supply amid an increasingly constrained market and record-low treatment charges (TCs).