Latest Underground Mining News

Catalyst Metals reported stable gold production at Plutonic despite rising costs, unveiled a promising new ore source at Cinnamon, and expanded its landholdings significantly in the Bryah Basin.

Capricorn Metals produced 30,358 ounces of gold in Q3 at Karlawinda, progressing its expansion project on schedule and declaring a maiden dividend, while exploration at Mt Gibson reveals promising underground gold extensions.

Ramelius Resources reported solid March quarter gold production with higher costs driven by earlier commercial production at Dalgaranga, rising diesel prices, and increased royalties. The Mt Magnet plant upgrade advances while exploration highlights support future growth.

Carnaby Resources has delivered a robust Pre-Feasibility Study and declared its maiden Ore Reserve at the Greater Duchess Copper Gold Project, setting sights on first production in the second half of 2026.

Grange Resources delivered a steady first quarter in 2026 with solid production at Savage River, no lost time injuries for nearly three years, and progressing financing for its North Pit Underground project.

IRIS Metals has revealed a 3.03Mt lithium resource at its fully permitted Beecher Project in South Dakota, featuring a notable rubidium component with a high-grade zone containing around 2,100 tonnes of Rb2O. This positions Beecher as a rare multi-commodity critical minerals asset in a top US mining jurisdiction.

Horizon Gold has confirmed new high-grade gold shoots at its Kingfisher prospect, underpinning resource growth potential, while progressing a major $30 million capital raise and leadership transition.

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.

Rumble Resources has pushed deeper into its Western Queen Central deposit with a standout 9.45m intercept grading 11.16 g/t gold, reinforcing a string of high-grade hits that promise a significant resource upgrade.

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.

Coronado Global Resources launched a structural reset targeting cash flow improvement, with Buchanan mine doubling EBITDA despite weak markets, while Logan mine was idled amid persistent High Vol challenges and a $160 million impairment is expected.

Yandal Resources has confirmed a 100m southeast extension of high-grade gold mineralisation at its Arrakis discovery, with significant new RC drill results supporting underground exploration potential.