Latest Mineral Reserves News

BHP Group Limited’s 2026 US Annual Report (Form 20-F) filed with the SEC details robust production across key assets, disciplined capital allocation, and advances in sustainability and leadership transition.

Orezone Gold Corporation’s latest drilling at Bomboré reveals significant extensions and high-grade zones, setting the stage for a material resource and reserve upgrade expected in early 2027.

Vertex Minerals has initiated mechanised longhole stoping at its Reward Gold Mine, targeting narrow, high-grade veins to boost productivity and reduce dilution, with early results showing promising gold grades.

Austral Gold lifted Guanaco production by 17% in Q2 2026, cut unit costs, and filed a new technical report extending mine life to 2040 with a US$192 million NPV. Toll processing at Casposo added US$5.9 million in fees, while exploration advanced in Chile and Argentina.

Quantum Graphite has cemented a two-decade exclusive ore supply agreement with Sunlands Pure Group, consolidating its downstream processing and refining operations. The company also secured environmental approvals for Sunlands Pure’s Oman refinery and kicked off detailed engineering for its Uley 2 project.

IRIS Metals is gearing up for a substantial tungsten drilling campaign in Montana while delivering a fresh lithium-rubidium resource estimate for its South Dakota project, underpinning its North American critical minerals ambitions.

Terrain Minerals has delivered a maiden Inferred Mineral Resource Estimate of 54,000 ounces of gold and 156,500 ounces of silver at its Lightning Gold Project in Western Australia, setting a foundation for resource expansion and development.

Austral Gold has unveiled a comprehensive 14-year life-of-mine plan for its Guanaco Mine in Chile, underpinned by a US$192.1 million after-tax NPV and robust mineral reserves.

IRIS Metals has launched Phase I field activities at its Finley Basin Tungsten Project in Montana, aiming to validate historical mineralisation with a 7,000m drill program scheduled for Q3 2026.

Ora Banda Mining (ASX:OBM) reported a substantial expansion of its Mineral Resources and Ore Reserves at the Davyhurst Gold Project, driven by exploration success and significant drilling investment.

Meteoric Resources has surged its Measured Resources by 246% to 128 million tonnes at its Caldeira Rare Earth Element Project in Brazil, significantly de-risking the upcoming Definitive Feasibility Study and underpinning future development plans.

Euro Manganese has filed comprehensive NI 43-101 and JORC reports for its Chvaletice Manganese Project, confirming robust economics with a base case post-tax NPV of US$492 million and an upside scenario pushing NPV to US$798 million, driven by higher manganese prices.