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JUPITER CONFIRMED AS AUSTRALIA’S LARGEST MAGNET RARE EARTH CLAY HOSTED RESOURCE
Critica Limited s pleased to announce that the latest phase of work at Jupiter marks what the Company considers a step-change in understanding the project’s value potential. The review has defined zones enriched in the key Magnet Rare Earth Oxides (MREOs) - the elements that, according to industry commentary, can contribute the vast majority, of rare earth project value at prevailing market prices¹.
Building on the July 2025 HREO review, Critica has identified multiple higher-grade MREO zones containing neodymium, praseodymium, dysprosium and terbium, the four rare earths essential for high-performance permanent magnets.
MREO-Rich Zones Confirmed
Reporting the February 2025 resource using MREO cut-offs confirms Jupiter as Australia’s largest and highest-grade clay-hosted MREO resource². At a 400 ppm MREO cut-off, Jupiter contains 640 Mt at 490 ppm MREO and 2,100 ppm TREO within the broader 1.8 Bt global resource. This highlights Jupiter’s scale and its concentration of high-value magnet REEs that support long-term demand from sectors including EVs, wind turbines, medical and defence.
HIGHLIGHTS
• MREO resource review complete – MREO-focused cut-offs applied to define zones enriched in Nd, Pr, Dy, Tb.
• Magnet-rich zones – 640 Mt at 490 ppm MREO (400 ppm cut-off) containing ~310,000 t in-situ MREOs within the 1.8 Bt global resource.
• Reported as Australia’s largest clay-hosted MREO resource – based on publicly available peer data.
• Beneficiation test work – upgraded feed to 15,000 ppm TREO with ~95% mass rejection under laboratory conditions.
• Low U/Th mineralisation – combined with early mass reduction, may support ESG outcomes and streamline permitting processes.
• Tier-1 location – Western Australia with established infrastructure and regulatory stability.
• Market reference – US$110/kg NdPr floor price set by the U.S. Department of Defense for MP Materials Corp (Reuters, July 2025).
CRI 🗝