Mining

West Perth-based explorer Meteoric Resources has announced that the mineral resource estimate for its flagship Caldeira project in Brazil has increased by 150 per cent.

Shares in gold miner Pantoro dipped early on Tuesday, following news that it plans to raise $100 million courtesy of a two-tranche placement.

BHP has submitted a sweetened takeover proposal to Anglo American, valuing the rival miner at nearly $64 billion, but it has again been rebuffed.

Ardiden has announced that its managing director and chief executive officer Greg Romain will step down from his role, effective immediately.

Shares in Horizon Minerals rose to their highest price since May last year on Monday afternoon, following news that the company had signed a toll milling agreement with FRM Investments.

Rio Tinto says it is investigating after an autonomous train derailed 80km out of Karratha overnight.

Exploration company Surefire Resources has appointed Jan De Jager as its chief executive officer, effective immediately.

Hastings Technology Metals has undergone a restructuring to manage costs, announcing its chief executive Paul Brown will leave the company at the end of this month.

Gold miner St Barbara has the potential to produce an average of 230,000 ounces of gold per annum from the 2028 financial year, following the release of its Simberi expansion concept study.

GR Engineering Services has won a $71 million contract for work on delivering and commissioning of Liontown Resource's paste plant facility at its Kathleen Valley project.

The state government has made an upward revision to its long-term iron ore price forecast, as lower-than-forecast critical mineral royalties highlight the volatility challenges facing the economy.

Shares in West Perth-based Caprice Resources rose by 50 per cent on Thursday afternoon, following news that the company plans to acquire a 90 per cent stake in the Bantam project, located in the West Arunta region of Western Australia.

Perth-based Alliance Nickel has notched major project status from the federal government for its nickel cobalt project near Leonora.

SH Mining has completed its $1.7 billion takeover of Australian mineral exploration company Azure Minerals at a price of $3.70 per share.

Victoria Park-based explorer Raiden Resources has entered into an option agreement with Mallina Corporation, as it plans to divest its Pilbara-based Arrow gold project.

A Mineral Resources plan to purchase Poseidon Nickel’s Lake Johnston nickel plant and convert it to treat lithium mined in the area will not go ahead.

The higher profit came despite a small decline in annual revenue, down to $2.56 billion from $2.75 billion the year prior.

Mineral Resources boss Chris Ellison spoke with unwavering confidence about the miner’s project in Onslow, saying there was nothing easier than iron ore.

Project closures and scale backs in early 2024 presented a stark contrast to the recent era of project delivery in WA.

The West Perth company says the proceeds, in tandem with cash on hand, will fully fund the equity component of its $1.3 billion Hemi gold project in the Pilbara.

Security and sovereignty issues in Mali have pushed Leo Lithium to offload its final 40 per cent interest in the Goulamina Lithium Project to Ganfeng for $342.7 million.

Subiaco-based Firebird Metals closed trade 11 per cent higher on Tuesday, following positive findings from its battery grade manganese sulphate feasibility study, in relation to stage one production in China.

Iluka Resources boss Tom O’Leary has taken a shot at China’s “monopolistic production” of rare earths and warned of the country's preparedness to “weaponise” its control.

Aspiring exploration company Premier1 Lithium has appointed Jason Froud as its managing director.

Mineral exploration company Australian Vanadium has announced an updated mineral resource estimate for its namesake project in Meekatharra.

Subiaco-based Green Critical Minerals has announced it has added the position of managing director to Clinton Booth’s portfolio.

Shares in Horizon Minerals rose by 26 per cent on Monday morning, after the junior announced it had entered into a binding ore sale agreement with Paddington Gold, a wholly-owned subsidiary of Norton Gold Fields.

International goldminer Newmont has had to stop activity at its Telfer gold mine after WorkSafe issued two prohibition notices over the Pilbara operations.

Premier Roger Cook has defended his government’s decision to give Alcoa the go-ahead to mine in the South West, despite concerns from its own departments around potential environmental impact.

Gold miner Regis Resources has announced it will develop both its Garden Well Main and Rosemount Stage 3 underground mines, as its underground growth strategy gains further momentum.

Venture Minerals has appointed Tim Lindley as its non-executive chair, who will begin his new role on Monday.

Applecross-based Hot Chili will raise up to $29.9 million courtesy of a private placement, in a bid to further progression at its Costa Fuego copper-gold development in Chile, located 600km from Santiago.