Latest Underground Drilling News

Broken Hill Mines (ASX: BHM) has unveiled a significant new high-grade silver, lead, and zinc discovery at its Centenary Zone, expanding the resource with thick, high-grade intercepts that connect a 1,600m strike length and promise a resource upgrade later this year.

Rox Resources (ASX: RXL) has reported strong underground drilling results at Youanmi’s United North area, with mineralisation extending beyond the Definitive Feasibility Study (DFS) mine plan and infrastructure contracts advancing, keeping the project on track for mid-2027 gold production.

Polymetals Resources continues to confirm broad zones of high-grade silver-lead-zinc mineralisation at the Endeavor Mine’s upper Main Lode, with drilling results supporting an initial Mineral Resource estimate targeted for late 2026.

Kaiser Reef has initiated underground development at the Union Hill Gold Mine, marking a significant step in unlocking the Maldon Gold Project's exploration and production potential.

FireFly Metals has delivered a fresh wave of high-grade copper and gold drilling results at its Green Bay project in Canada, setting the stage for an updated Mineral Resource Estimate and a Preliminary Economic Assessment due by the end of August 2026.

Kalamazoo Resources has delivered standout high-grade gold intersections at its Mt Olympus deposit, underpinning an updated resource estimate and advancing its Ashburton Gold Project development plans.

Kingston Resources faces a major operational setback with the Pearse South open pit failure, prompting a strategic pivot to underground resource expansion and a $12.9 million capital raise to fund a 25,000m drilling campaign.

Black Cat Syndicate delivered a transformational FY26, doubling gold output to 90,833oz and generating a record $77M operating cashflow in the June quarter, fully recouping its $106M Paulsens acquisition costs.

Cobre Limited’s Sierra Atacama project delivers first consecutive positive operating cash flow months, while a major drilling program and $90 million capital raise set the stage for growth.

Aeris Resources delivered a standout FY26 with a 78% EBITDA surge to $285 million, boosted by strong copper and gold production and a major expansion of its Tritton Ore Reserves. The company also completed its Peel Mining acquisition and kicked off early works at the Constellation Project.

Develop Global (ASX:DVP) posted a record June quarter with Woodlawn copper-zinc production up 47%, supported by a US$400 million Trafigura financing deal that underpins its Sulphur Springs and Pioneer Dome projects.

Bellevue Gold Limited delivered a record 143,539 ounces in FY26, surpassing guidance midpoint, and raised FY27 production targets to 150,000-170,000 ounces. The company is advancing paste plant construction and expanding exploration while reducing hedge commitments and maintaining strong liquidity.