Latest Underground Mining News

Castile Resources reveals a robust 2026 Scoping Study for its Rover 1 IOCG Project, projecting an 11-year underground mine life with five valuable metals driving strong economics and a staged development strategy.

Sentinel Metals has completed its acquisition of the Big Springs Gold Project in Nevada, adding over 1 million ounces to its North American gold resource base and positioning itself as a significant player in Tier-1 US mining jurisdictions.

Sentinel Metals has secured 100% ownership of the Big Springs Gold Project in Nevada, adding over 1 million ounces of gold to its portfolio and nearly doubling its North American resource base alongside its Montana project.

Ora Banda Mining delivered record FY26 results with a 53% jump in gold production and doubled revenue to $807.5 million, underpinning its DRIVE to 300 growth strategy targeting 300,000 ounces annually by FY29.

Mastermyne Group Limited (ASX:MYE) delivered a robust FY26 with revenue up 13% to $237.7 million and underlying profit before tax surging 148% to $15.7 million, supported by contract wins and a record order book.

Westgold Resources outlines a $100 million brownfields expansion to raise Meekatharra processing capacity to 2.9Mtpa, aiming to add 47,000 ounces of annual gold production by FY28 and lift project NPV by up to $1.6 billion at spot gold prices.

Novo Resources Corp bolsters its Australian gold and copper exploration pipeline with a maiden inferred resource at Belltopper and strategic gains at Egina following Northern Star’s JV exit.

Carnaby Resources has boosted its Greater Duchess project Mineral Resource Estimate by 10%, with a significant 47% jump at the Trekelano deposit, driven by new underground drilling results.

Rumble Resources has secured crucial groundwater extraction approval and engaged contractors to progress Western Queen towards production, while updating its scoping study and preparing for project financing.

FirstAu Limited is gearing up to drill at its First Hit gold deposit, aiming to define a maiden Mineral Resource Estimate based on historic high-grade production and extensive data.

Alkane Resources has identified a previously unmined high-grade gold and antimony zone at its Cuffley Lode within the Costerfield project, with assay results revealing spectacular grades. The new discovery is being fast-tracked into the mine schedule, promising to bolster production at this Victorian underground operation.

Olympio Metals is set to acquire an 80% stake in the Jacknife High-Grade Silver Project in Idaho, leveraging patented mining claims and a local partner to accelerate exploration in a historically prolific silver district.