Latest Underground Development News

Northern Star Resources reported a softer December quarter with operational setbacks prompting a downward revision of FY26 gold production guidance and higher costs. Key growth projects remain on track, underpinning future optimism.

Rio Tinto delivered a standout 2025 with an 8% rise in copper equivalent production, record iron ore output in the Pilbara, and key milestones like the first shipment from Simandou port. The company met or exceeded its guidance while advancing major projects across its portfolio.

Haranga Resources reports steady progress on its Lincoln Gold Project drilling program in California, despite weather-related dewatering setbacks. Initial assay tests validate the high-grade nature of the resource, setting the stage for an updated JORC-compliant resource estimate.

Bellevue Gold Limited reported a strong December quarter with rising grades and record ore mined, alongside a strategic reduction in its hedge book ahead of schedule. The company also achieved net zero emissions at its flagship project, underscoring its operational and sustainability credentials.

Larvotto Resources is on track to restart production at its Hillgrove Antimony-Gold Project by mid-2026, while progressing metallurgical testing at Eyre and due diligence on a copper acquisition at Mt Isa.

Ballymore Resources has reported its richest drill intersection yet at the Torpy’s prospect near Chillagoe, Queensland, revealing exceptionally high-grade silver, lead, zinc, and indium mineralisation. This breakthrough highlights the growing potential of the Torpy’s area and sets the stage for further exploration in 2026.

Rox Resources has ramped up underground mining and advanced processing plant development at its Youanmi Gold Project, signalling a strong push towards production in 2026. Key infrastructure expansions and strategic hires underpin the company’s growth ambitions.

Black Cat Syndicate has revealed multiple new high-grade gold zones within the Fingals open pit at its Kal East operation, accelerating mining and processing plans for 2026. These discoveries reinforce the long-term potential of the project and support an expansion of processing capacity.

Aguia Resources has implemented strategic operational changes at its Santa Barbara Gold Project in Colombia, achieving a 70% gold recovery rate in December and targeting over 80% in early 2026.

Larvotto Resources has initiated underground development at its Hillgrove Antimony-Gold Project, marking a pivotal step toward resuming production with a comprehensive four-year plan.

Develop Global Limited has landed a significant A$200 million contract to build underground access tunnels at OceanaGold’s Waihi North Project in New Zealand, marking a major milestone for its mining services division.

Variscan Mines has secured government approval for its Preliminary Mining Plan, enabling critical pre-works and trial mining at the San Jose Mine in Spain. This milestone accelerates the company’s strategy to restart production with minimal capital expenditure.