Latest Metallurgical Processing News

Rimfire Pacific Mining is on track to deliver its maiden Murga scandium Mineral Resource Estimate by the end of March 2026, buoyed by promising assay results highlighting broad mineralisation and a potentially cheaper processing route.

EV Resources has successfully produced its first metallic antimony ingots from the Los Lirios project in Mexico, validating a low-cost smelting process and advancing its strategy to supply the North American market.

Vita Resources has unveiled a commissioned re-evaluation of its ICE Copper-Gold Project in Yukon, revealing significant silver, cobalt, and indium mineralisation that upgrades the project to polymetallic status. This fresh insight sets the stage for expanded exploration and resource assessment.

Sarytogan Graphite Limited has upgraded its Mineral Resource Estimate to include 5.4 million tonnes of Measured graphite, underpinning a multi-decade mine life in Kazakhstan. This milestone supports the ongoing Definitive Feasibility Study due mid-2026.

Axel REE Limited reports breakthrough metallurgical test results from its Caladão Project in Brazil, achieving over 96% recovery of magnetic rare earth oxides using hydrochloric acid leaching. This milestone supports a dual-path development strategy combining low-cost in situ recovery with a longer-term acid leach option.

Aguia Resources reports a significant jump in gold recovery rates at its Santa Barbara project, with production gains achieved despite processing lower grade ore. The company aims to further enhance output through selective mining and mechanisation upgrades.

American Tungsten & Antimony Ltd (ASX, AT4) has produced its first antimony ingots from its Utah project, validating its processing approach and advancing its US growth ambitions including a planned Nasdaq listing.

Locksley Resources has reported outstanding high-grade antimony assay results from its Desert Antimony Mine in California, with samples reaching up to 26.1% Sb. This breakthrough supports the company’s plans for a pilot plant aimed at domestic production critical to U.S. defense needs.

Kairos Minerals has been granted a 21-year mining lease for its 1.4 million ounce Mt York Gold Project in Western Australia, marking a pivotal step towards advancing the project into production.

Ark Mines has made significant strides in advancing its Sandy Mitchell Rare Earths Project, initiating a full-scale processing trial and securing critical environmental approvals, setting the stage for production by late 2027.

Berkeley Energia reports promising metallurgical results from its Conchas critical minerals project in Spain while pursuing a US$1 billion arbitration over permitting delays at its Salamanca uranium project.

RareX Limited has achieved a major regulatory milestone with the granting of a Mining Lease for its Cummins Range Project in Western Australia, significantly reducing development risk and paving the way for focused metallurgical optimisation and mine planning.