Latest Metallurgical Testing News

Stellar Resources is expanding its drilling program at the Heemskirk Tin Project following strong high-grade tin results, aiming to significantly grow its mineral resource and advance project development.

Green Critical Minerals’ McIntosh Graphite Project Pre-Feasibility Study confirms robust economics with a post-tax NPV of A$235 million and a 32.5-year mine life, underpinning plans for staged development and market entry.

Tesoro Gold’s latest drilling results reveal significant extensions of high-grade gold mineralisation at the Ternera deposit in Chile, promising a larger resource base ahead of an updated estimate.

Barton Gold Holdings has updated its Challenger Gold Project resources near the Central Gawler Mill to 223,000 ounces of gold, setting the stage for a potential low-cost production start by late 2026. The company’s total gold resources now stand at 1.9 million ounces, supported by extensive drilling and metallurgical testwork.

Horizon Gold Limited has reported a series of impressive high-grade gold intercepts from extensive drilling at its Gum Creek Gold Project, reinforcing the project's potential and advancing its feasibility study.

Battery Age Minerals has secured its first drilling permit for the Bleiberg Zinc-Germanium Project in Austria, setting the stage for exploration at one of Europe’s richest germanium sources amid tightening global supply.

Australian Rare Earths Limited has achieved over 60% recovery of magnet rare earths in a bulk heap leach test at its Koppamurra project, demonstrating rapid leach times and scalability that underpin its low-cost development strategy.

Patriot Battery Metals has initiated work programs to unlock tantalum as a high-value by-product at its Shaakichiuwaanaan lithium project in Quebec, which ranks among the world’s top five tantalum pegmatite resources. Initial testwork shows promising recovery potential using conventional methods without impacting lithium extraction.

QMines Limited reveals metallurgical test results supporting a doubling of throughput at Mount Chalmers to 2Mtpa, boosting metal recoveries and expanding the mine plan to include Develin Creek and Mount Mackenzie.

PVW Resources has reported strong desorption test results from its Capão Bonito project in Brazil, confirming the presence of Ionic Adsorption Clay (IAC) style rare earth mineralisation with high recoveries of magnet rare earth oxides near surface.

Summit Minerals reports promising first-pass metallurgical results from its Equador Project in Brazil, showing strong potential for producing high-grade tantalum and niobium concentrates using straightforward density separation methods.

Enova Mining advances its CODA Central project in Brazil with six auger holes completed, targeting promising titanium and rare earth mineralisation. Assay results are anticipated by late July, alongside ongoing metallurgical testing to unlock processing pathways.