Major Technical BreakthroughHighlights Rare earth oxides were produced from Halleck Creek ore using the updated preliminary Pre-Feasibility Study (“PFS”) mineral processing flowsheet1A Mixed Rare Earth Oxalate and Mixed Rare Earth Oxide were created from purified leachate solution using the material from the impurity removal testing2This is the most significant technical milestone achieved for the Project to date DENVER, Dec. 16, 2025 (GLOBE NEWSWIRE) -- American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: ...