Latest Metallurgical Optimisation News

Black Cat Syndicate’s latest drilling at Mt Clement confirms strong, high-grade antimony mineralisation extending beyond current resources, advancing the project towards a pivotal economic study.

Australian Rare Earths Limited (ASX, AR3) reports breakthrough metallurgical testwork at its Koppamurra project, doubling heap leach irrigation rates and achieving around 70% recovery of key magnet rare earth elements. These advances promise faster production timelines and lower costs ahead of the Pre-Feasibility Study.

Brazilian Rare Earths has confirmed a breakthrough low-temperature acid-cure process achieving up to 97% rare earth extraction at just 150°C, promising lower costs and enhanced scalability for its Brazilian operations.

Impact Minerals has identified a promising standalone process to produce sulphate of potash and hydrochloric acid from lake clays in Western Australia, potentially reducing reliance on imports and addressing local industrial demand.

Sky Metals has expanded the known mineralised strike at its Doradilla Tin Project to over 10 kilometres, revealing high-grade tin-polymetallic results that significantly surpass previous targets and set the stage for a major drilling campaign.

Theta Gold Mines Limited has released a Revised Feasibility Study for its TGME Gold Mine Project in South Africa, projecting robust economics with a 13.1-year mine life and first gold production slated for early 2027.

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.

Everest Metals Corporation has released further assay results confirming thick, high-grade rubidium mineralisation at its Mt Edon project in Western Australia, underpinning an upcoming resource upgrade. The company’s collaboration with CSIRO is refining processing strategies to enhance recovery rates.

RareX Limited has secured a pivotal mining lease for its Cummins Range Rare Earths Project in Western Australia, confirming some of the highest-grade gallium mineralisation in the country. The company also advances metallurgical testing and forges strategic US partnerships, positioning itself at the forefront of critical minerals development.

Alma Metals has reported its most extensive and highest-grade copper intersections to date from the Briggs Copper JV Project, prompting a swift move to prefeasibility studies. The company also strengthened its balance sheet with a $2.1 million capital raise.

Mont Royal Resources has kicked off a comprehensive work program at its Ashram Rare Earth and Fluorspar Project following a transformative merger and a successful $10 million capital raise. An updated Preliminary Economic Assessment is expected by the end of Q1 2026.

Vital Metals has raised A$12.47 million in the second half of 2025 to fund its Tardiff Pre-Feasibility Study, underpinning the development of its high-grade rare earths project in Canada. The strong investor backing follows a robust July 2025 Scoping Study highlighting significant economic potential.