Latest Underground Development News

Peel Mining Limited has updated its mineral resource estimates, highlighting a robust 22.9 million tonnes at 2.20% copper equivalent across its South Cobar Project. The company is advancing pre-feasibility studies and exploration drilling at key deposits, positioning itself as a significant player in the Cobar Basin copper hub.

Catalyst Metals has significantly upgraded its Trident underground gold resource, doubling indicated ounces and setting a clear path toward doubling annual production to 200,000 ounces. This milestone underscores the company’s strategic progress in the Plutonic Gold Belt.

Northern Star Resources confirms steady Ore Reserves at KCGM and outlines robust FY26 production guidance amid ongoing mill expansion. The company highlights strategic underground development and exploration efforts supporting future growth.

Bellevue Gold Limited outlines a robust FY26 production outlook with potential to exceed guidance, supported by an updated 3.1 million ounce resource and 1.3 million ounce reserve. The company advances feasibility on a paste plant to enhance long-term economics.

Aguia Resources reported steady progress in its June 2025 quarter, highlighting underground gold production in Colombia and development milestones in Brazil’s phosphate project, alongside strategic capital raises and operational restructuring.

Burgundy Diamond Mines has updated its Ekati Diamond Mine Life of Mine plan through 2040, extending Misery underground operations and advancing the Fox Underground project with strong economic prospects.

FireFly Metals reports exceptional drilling results at its Green Bay Copper-Gold Project, extending mineralisation well beyond current resources. Backed by a substantial A$145 million capital raise, the company is poised for a resource update and advancing mining studies.

KGL Resources has leveraged cutting-edge integrated 3D inversion modelling to reveal multiple high-priority exploration targets at its Jervois and Unca Creek tenements, suggesting a larger and deeper mineral system than previously known.

Ballymore Resources’ latest drilling at the Dittmer Project in North Queensland confirms expanding high-grade gold, silver, and copper mineralisation, with promising deep extensions identified. The company is advancing towards mining lease approval to unlock further underground exploration.

Alkane Resources reported steady gold production and cash flow for FY2025 at its Tomingley operations, while securing shareholder approval for a transformative merger with Mandalay Resources.

Rand Mining Ltd reported solid gold production of 8,916 ounces in the June 2025 quarter, alongside improved cash flow and ongoing exploration success at key Western Australian projects.

Focus Minerals reported a record gold pour in June 2025 at its Three Mile Hill plant, alongside significant mining progress and infrastructure upgrades at Coolgardie. The company also completed a $250 million sale of its Laverton Gold Project, strengthening its balance sheet.