Latest Underground Mining News

First Au Limited has secured permits and funding to launch a 2,500-metre drilling campaign at its Gimlet Gold Project near Kalgoorlie, aiming to upgrade its 120,000-ounce inferred gold resource and advance feasibility studies.

Ora Banda Mining Limited reports a 24% increase in Ore Reserves and a Mineral Resource growth to 2.11 million ounces at its Davyhurst Gold Project, setting the stage for an ambitious $73 million exploration program in FY26.

Hillgrove Resources has completed its Nugent Acceleration Project ahead of schedule, boosting underground development and early ore processing. However, the company has lowered its 2025 copper production guidance and raised cost estimates due to geological challenges.

Tesoro Gold’s updated Scoping Study for the El Zorro Gold Project in Chile highlights a technically straightforward open pit operation with strong economics, projecting 1.26 million ounces of gold production over 13.5 years.

Emmerson Resources and Tennant Mining have formalised the White Devil Gold Project as a Major Mine JV, with Emmerson retaining a 40% contributing interest. Meanwhile, the Golden Forty deposit shifts to a Small Mines JV, providing Emmerson with a royalty stream.

Perenti’s underground mining arm, Barminco, has secured a significant four-year contract at the Dalgaranga Gold Project, promising to bolster Australian earnings and operational scale.

Core Lithium has significantly increased its Ore Reserve Estimate at the Finniss Lithium Project, with the Carlton deposit upgrade driving a 42% rise in total reserves. This milestone strengthens the project's restart schedule and expansion potential.

Rox Resources has appointed Byrnecut Australia as the underground mining contractor for its Youanmi Gold Project, marking a key step toward production. The two-part contract will see initial exploration decline development followed by full-scale mining upon a positive investment decision.

Black Cat Syndicate has integrated strong grade-control drilling results from its Fingals deposit into mine plans, with mining set to begin late September 2025. Concurrently, the Lakewood processing plant is undergoing key upgrades to support ongoing production.

SSH Group has kicked off site preparation at the Mt Fisher Gold Project, setting the stage for drilling and resource upgrades that could unlock significant value from historic stockpiles and tailings.

Rumble Resources has launched a $9 million capital raise to accelerate development at its Western Queen gold and tungsten projects, targeting near-term production by late 2026. The company also highlights significant resource upgrades and seeks partners for its Earaheedy base metals project.

Horizon Gold has initiated a 4,400m drilling campaign at its Gum Creek Gold Project to expand its 2.14 million ounce gold resource, targeting multiple prospects near the historic Gidgee Mill. A follow-up diamond drilling program will explore high-grade underground targets, aiming to extend the mine life and enhance project economics.