Latest Underground Development News

Kingston Resources has brought forward copper concentrate production at Mineral Hill by a quarter, successfully trialing underground ore processing and advancing its multi-commodity strategy.

Greatland Resources delivered a record $260 million cash build in the March 2026 quarter, underpinned by 82,723 ounces of gold production at a $2,056/oz AISC and a 150% increase in Telfer's Mineral Resource Estimate to 8 million ounces gold.

Carnavale Resources has secured a key mining lease and reported robust high-grade gold drilling results at Kookynie, keeping its Bankable Feasibility Study on track for early Q3 2026 delivery.

Broken Hill Mines (ASX: BHM) reported a strong March quarter with a 29% ore grade increase and a 52% jump in silver output, driven by ramp-up at Rasp Mine and advancing Pinnacles development. Operational cashflow rose 45% to A$2.4m amid cost reductions and a strategic partnership with Kingfisher Mining.

SQX Resources has wrapped up its maiden 25-hole drilling program at the Red Bird Gold Project in Arizona, revealing a larger, continuous gold system with promising high-grade near-surface mineralisation. The company’s follow-up geophysical work aims to unlock deeper and strike extensions.

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.

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.

Emerald Resources NL reports robust high-grade gold intercepts from its Dingo Range project in Western Australia and key Cambodian assets, reinforcing resource growth and underground development potential.

Rox Resources reports strong underground progress and high-grade gold intercepts at Youanmi, reinforcing confidence in hitting production targets on schedule.

Sunshine Metals (ASX:SHN) has delivered strong final assay results from its extensive grade control drilling at Liontown, revealing multiple high-grade gold and silver intercepts that bolster the case for a resource upgrade and a revised mining study scheduled for mid-2026.

AIC Mines reported a strong March quarter with Eloise copper production exceeding guidance at lower costs amid steady progress on its processing plant expansion and Jericho underground development.

Larvotto Resources is progressing the Hillgrove Antimony-Gold Project on time and budget, aiming for mid-2026 production amid rising strategic demand for antimony. The project benefits from grid power, ongoing drilling success, and government support for critical minerals.