Latest ARR News

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American Rare Earths Hits Milestone with Oxide Production and Resource Upgrade

American Rare Earths has successfully produced Mixed Rare Earths Oxide from its Halleck Creek ore, marking a key technical milestone. The company also updated its resource estimate and strengthened leadership as it advances towards becoming a major U.S. rare earths supplier.
Maxwell Dee
28 Jan 2026

American Rare Earths Hits Major Milestone with Halleck Creek Rare Earth Oxide Production

American Rare Earths has successfully produced mixed rare earth oxides from Halleck Creek ore, marking a pivotal technical breakthrough in its mineral processing program. This achievement advances the project closer to commercial viability amid growing demand for critical minerals.
Maxwell Dee
16 Dec 2025

American Rare Earths Taps Mark Wall to Accelerate U.S. Rare Earth Production

American Rare Earths has appointed mining veteran Mark Wall as CEO to lead its transition from exploration to production, focusing on advancing its flagship Halleck Creek project and expanding its U.S. market presence.
Maxwell Dee
8 Dec 2025

American Rare Earths Advances Halleck Creek with Breakthrough Beneficiation Tests

American Rare Earths reports promising beneficiation optimisation results and an updated mineral processing flowsheet for its Halleck Creek Rare Earths Project, marking a key step toward production.
Maxwell Dee
10 Nov 2025

American Rare Earths Advances Halleck Creek as US Rare Earths Supply Solution

American Rare Earths reports key technical breakthroughs and strong funding progress at its Halleck Creek Rare Earths Project, positioning it as a vital domestic source for the US rare earths supply chain.
Maxwell Dee
17 Oct 2025

American Rare Earths Unveils Breakthrough in Halleck Creek Rare Earth Processing

American Rare Earths has achieved a significant metallurgical milestone by successfully removing impurities from allanite-based rare earth ore at its Halleck Creek project, potentially lowering costs and boosting rare earth recovery.
Maxwell Dee
13 Oct 2025

American Rare Earths Boosts Halleck Creek with $15M Raise and High-Grade Sampling

American Rare Earths Limited reports strong progress at its Halleck Creek Rare Earths Project, highlighted by exceptional sampling results, key permitting milestones, and a $15 million equity raise to fund development.
Maxwell Dee
31 July 2025

ARR Secures A$15M to Propel U.S. Rare Earths Project Amid Leadership Shift

American Rare Earths has raised A$15 million through a well-supported placement to accelerate its Halleck Creek rare earths project in Wyoming, signalling a strategic pivot with new leadership focused on U.S. operations.
Maxwell Dee
24 July 2025

American Rare Earths CEO Chris Gibbs Steps Down Amid Key Project Advances

American Rare Earths announces the resignation of CEO Chris Gibbs as leadership transitions to focus on advancing the Halleck Creek Project, with minimal disruption expected.
Maxwell Dee
21 July 2025

American Rare Earths Advances Halleck Creek with Key Optimisation and Test Mining

American Rare Earths is progressing its Halleck Creek Rare Earths Project with multiple mineral processing optimisation tests, ordering critical equipment for a demonstration plant, and initiating test mining to secure bulk samples.
Maxwell Dee
18 July 2025

American Rare Earths Advances Halleck Creek with Breakthrough Leach Results

American Rare Earths reports strong metallurgical leach recoveries and significantly reduced impurities at its Halleck Creek Rare Earths Project, marking a key step toward economic production of critical rare earth elements in the US.
Maxwell Dee
16 July 2025

American Rare Earths Advances Halleck Creek with Strong Leach Recoveries

American Rare Earths reports high recoveries of key rare earth elements and significantly reduced impurities at its Halleck Creek project, marking a major step in its path to U.S. rare earth independence.
Maxwell Dee
9 July 2025