Latest Underground Mining News

Alkane Resources reports its inaugural JORC-compliant Mineral Resources and Ore Reserves for the Costerfield Property, highlighting a robust resource base and a mine life extended to 2030. The recent True Blue Deposit discovery further bolsters the project’s potential.

Alkane Resources reports a robust 9.8 million ounce gold resource base in New South Wales as of June 2025, with ongoing underground mining at Tomingley and development progress at Boda-Kaiser.

CuFe Ltd has raised $5.4 million through a strategic placement to fund exploration and feasibility studies at its Tennant Creek Copper/Gold project, including a focus on critical mineral bismuth.

Austral Gold Limited has released an updated Mineral Resource and Reserve estimate for its Casposo Mine in Argentina, underpinning plans to restart production with strong economic fundamentals. The report highlights a 74-month mine life and a compelling after-tax NPV of US$72.7 million.

Brightstar Resources has reported a remarkable 91% increase in gold production at its Laverton underground mines for the September quarter, setting a new company record. The ramp-up at the Fish mine and ongoing exploration efforts signal strong growth potential.

Ballard Mining’s latest exploration update reveals a surge in gold targets at its Mt Ida Project, with promising drilling results and a new mineralised trend boosting prospects ahead of a Maiden Ore Reserve in 2026.

Black Cat Syndicate has locked in ore purchase agreements to boost processing at Lakewood, supporting the ramp-up of its Fingals and Majestic mines under its More Gold, Sooner strategy.

Rio Tinto reported robust third quarter 2025 production results, highlighted by record outputs in bauxite and copper, and an upgraded bauxite production forecast. Key projects like Simandou and Oyu Tolgoi continue to progress on schedule, underpinning the company’s growth trajectory.

Ardiden Ltd has announced a transformative merger with Lac Gold Limited, combining two significant Canadian gold assets into a well-funded exploration and development company. The deal brings together the advanced-stage Rouyn Gold Project in Quebec and Ardiden’s Pickle Lake Gold Project in Ontario, creating a balanced portfolio with strong growth potential.

Mammoth Minerals has intensified its exploration at the Excelsior Gold-Silver Project with a second drill rig, aiming to deliver its first resource estimate by Q4 2025. A comprehensive magnetics survey further sharpens targeting across multiple mineralised trends.

Broken Hill Mines has commenced mining and processing of the high-grade Blackwoods ore body at its Rasp Mine ahead of schedule, boosting exposure to precious metals amid soaring silver prices.

Develop Global Limited's updated Definitive Feasibility Study for its Sulphur Springs Zinc-Copper Project reveals a 76% surge in project valuation and a doubling of free cash flow to A$1.5 billion, setting the stage for final investment decision and construction.