Latest Underground Mining News

Siren Gold continues its push to upgrade the Sams Creek gold resource with ongoing drilling and a mining permit application nearing decision. Meanwhile, exploration at Queen Charlotte reveals extensive high-grade gold and antimony mineralisation, underpinning the company’s strategic growth in New Zealand’s critical minerals sector.

Emerald Resources NL posted a record March quarter pre-tax operating cash flow of A$143 million from its Okvau Gold Mine, maintaining full-year gold production guidance while progressing development and exploration at its Dingo Range and Memot projects.

Coronado Global Resources (ASX: CRN) will hold its 2026 Annual General Meeting virtually on June 4, 2026, following a challenging 2025 marked by a $432 million net loss amid weak metallurgical coal prices and logistical constraints. The company reported operational improvements and liquidity support from Stanwell, while navigating leadership changes and ongoing risks.

Black Cat Syndicate posted solid operating cash flow of A$61 million in the March quarter, driven by the ramp-up at Kal East and a strategic $20 million expansion of the Lakewood processing facility. The company also reported a 95% increase in antimony resources at Mt Clement, signaling growth potential beyond gold.

Regis Resources sustained strong gold output in Q3 2026 with 90.6koz produced at an AISC of $2,807/oz, while raising growth capital guidance amid rising diesel costs and advancing underground projects. The company declared a 15cps interim dividend, supported by a robust $1.13 billion cash and bullion position.

West African Resources (ASX:WAF) closed Q1 2026 with a record A$847 million cash balance, underpinned by robust gold production of 107,728 ounces at an AISC of US$1,921/oz. Meanwhile, Burkina Faso's government formalised a 25% acquisition in the Kiaka project for A$175 million, marking a significant shift in ownership.

Group 6 Metals has secured a pivotal underground mining contract with HMR Drilling Services, marking a decisive step toward sustained production at the Dolphin Tungsten Project on King Island.

Barton Gold has reported significant high-grade gold assays up to 60g/t from recent drilling at its Challenger West open pit, reinforcing prospects for a low-risk restart of its Central Gawler Mill operations. The results form part of an 8,065m drilling program supporting an ongoing Definitive Feasibility Study targeting near-surface feed.

Pantoro Gold’s latest drilling at Scotia confirms significant high-grade gold zones well below current resources, prompting approval for new mining levels and bolstering production prospects for FY2027 despite recent delays.

Vault Minerals delivered 78,578 ounces of gold in the March quarter at an AISC of A$3,006/oz, generating a remarkable $229 million in underlying free cash flow. The company completed the first stage of its King of the Hills plant upgrade and declared a maiden dividend, reinforcing its position as a high-yielding gold producer.

Northern Star Resources strengthened its cash flow and maintained FY26 production guidance above 1.5 million ounces despite cost inflation and operational challenges. The KCGM Mill Expansion remains on track for early FY27 commissioning, underpinning confidence reflected in a $500 million share buy-back announcement.

Ramelius Resources’ latest drilling at Dalgaranga confirms robust high-grade gold zones at Gilbey’s Underground, hinting at a new underground mine that could lift production beyond FY30 targets.