Latest Underground Development News

Alkane Resources has expanded its Storheden gold resource near the Björkdal mine in Sweden, adding Indicated Resources and increasing contained gold by 26%. Recent drilling revealed high-grade veins along a 2.7 km strike, with mineralisation still open in multiple directions.

Rio Tinto delivered a robust first half in 2026 with a 28% jump in underlying EBITDA to $14.8 billion, powered by copper ramp-up at Oyu Tolgoi, lithium expansion, and operational gains. The miner also lifted its interim dividend by 43% amid disciplined capital investment and steady iron ore output.

Vault Minerals delivered on FY26 gold production guidance with strong quarterly output and cash flow, while progressing key projects and announcing a merger with Genesis Minerals to form a top 20 global gold producer.

FireFly Metals has delivered exceptional high-grade copper-gold drilling results from its Green Bay project, prompting an updated resource estimate and pushing its economic study completion to August 2026. The company also simplified its portfolio by selling Ontario gold assets and gained entry into the S&P/ASX 200 Index.

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.

Carnavale Resources has lifted its Kookynie Gold Project resource to 120,000 ounces and is nearing completion of its Bankable Feasibility Study, with exploration drilling set to test new targets.

West Wits Mining has achieved a major underground breakthrough at Qala Shallows, unlocking higher-grade ore zones, while completing a comprehensive ZAR 1.115 billion finance package that underpins its production ramp-up.

Capricorn Metals has transformed its Mt Gibson Gold Project with a new underground mine, lifting annual production to 260,000 ounces and extending mine life to over 19 years, backed by a robust $6.1 billion NPV.

Regis Resources capped FY26 with production at the top end of guidance and a record cash position, setting the stage for higher output in FY27 alongside a reinstated 1.89Moz Ore Reserve at McPhillamys.

Tanami Gold has secured $70.5 million through a fully underwritten rights issue to fund its Central Tanami Project development, including a major underground decline and resumed drilling at Jims Gold Mine.

Vault Minerals has cleared major regulatory hurdles to construct the Southern Tailings Management Facility at its Sugar Zone mine, paving the way for more cost-efficient operations.

Aguia Resources has completed a $3 million placement at a 10.5% discount, targeting expansion of its phosphate and gold operations in Brazil and Colombia.