Latest Metallurgical Upgrades News

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Venari Minerals has achieved a key metallurgical milestone by producing 99.5% pure battery-grade lithium carbonate from its Red Mountain Project in Nevada, highlighting its potential as a domestic US lithium chemical source alongside valuable by-products.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Tartana Minerals has launched a targeted $0.435 million upgrade to its Copper Sulphate Pentahydrate plant, aiming to increase production capacity and reliability amid rising copper prices. The move follows positive test results on higher-grade pit fill material, potentially adding new feedstock without extra crushing.
Maxwell Dee
Maxwell Dee
4 Mar 2026
Yari Minerals has increased its inferred coal resource at the Rolleston South Coal Project by 26% to approximately 190 million tonnes, leveraging new data from coal seam gas wells. The company plans a drilling campaign to upgrade resource classification and explore semi-soft coking coal potential.
Maxwell Dee
Maxwell Dee
28 Aug 2025
Critica Minerals Limited has announced a significant milestone with its Jupiter Project, revealing Australia’s largest and highest-grade clay hosted rare earth resource alongside successful metallurgical test results that promise substantial mass reduction and grade upgrade.
Maxwell Dee
Maxwell Dee
18 Feb 2025
Critica Limited has announced a landmark maiden Mineral Resource Estimate for its Jupiter Project, establishing it as Australia's largest and highest-grade clay-hosted rare earth deposit with significant strategic potential.
Maxwell Dee
Maxwell Dee
11 Feb 2025