Northern Minerals Unveils Feasibility Report for Browns Range Rare Earth Project

Published: Sep 28, 2025 18:39

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After more than a decade, Northern Minerals has finally released the final feasibility study report for its Browns Range heavy rare earth development project in Western Australia, demonstrating both technical and economic feasibility. The Browns Range rare earth mine aims to produce 17,500 mt of xenotime concentrate annually, with a total rare earth oxide (TREO) grade of 25%, equivalent to a TREO content of 4,350 mt. The all-in cost is $44.7/kg. Compared to other global rare earth deposits, the project features exceptionally high dysprosium and terbium content, while light rare earth elements are relatively low. Dysprosium and terbium are particularly important for producing high-performance permanent magnets, but heavy rare earth prices are very high. Northern Minerals stated that the Wolverine deposit within the project is one of the highest dysprosium and terbium-containing rare earth element deposits outside China, and upon commencement of production as early as 2028, its dysprosium and terbium output could meet 8% of global demand. The payback period is as short as six years.

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