Latest Underground Drilling News

Tanami Gold’s Central Tanami Project Joint Venture has inked a $38 million contract with Macmahon to build a 3.5km underground decline, setting the stage for a major resource upgrade and development decision in 2027.

MGX Resources and Tanami Gold have contracted Macmahon Underground for a $38 million build of a 3.5km underground decline at Groundrush, aiming to upgrade 400,000 ounces of inferred gold resources and push the Central Tanami Project towards a 2027 development decision.

Black Bear Minerals (ASX: BKB) has raised $12.5 million through a placement at a 16% discount to fund underground drilling and resource validation at its Shafter Silver Project in Texas, signaling strong institutional support for advancing mine restart plans.

Apollo Minerals has uncovered new zones of unmined tungsten mineralisation at its Couflens project in France, broadening the historic Salau mine’s footprint and underscoring the deposit’s significant exploration potential.

Carnaby Resources has boosted its Greater Duchess project Mineral Resource Estimate by 10%, with a significant 47% jump at the Trekelano deposit, driven by new underground drilling results.

Broken Hill Mines (ASX: BHM) has confirmed a major new discovery of thick, high-grade silver, lead, and zinc mineralisation at its Centenary Zone, extending the resource strike length to 1,600m and significantly exceeding historical estimates.

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.