Highlights Rare earth oxides were produced from Halleck Creek ore using the updated preliminary Pre-Feasibility Study mineral processing flowsheet1 A Mixed Rare Earth Oxalate and Mixed Rare Earth Oxide were created from purified leachate solution using the material from the impurity removal testing2 This is the most significant technical milestone achieved for the Project to date DENVER, Dec. 16, 2025 -- [...]
American Rare Earths is pleased to announce the appointment of Mark Wall as Chief Executive Officer, effective January 5, 2026. Mr. Wall brings more than 30 years of global mining experience across operations, project development, permitting and construction in gold, copper, diamonds and uranium, including senior leadership roles with Tier 1 majors and North American developers. His track record in advancing complex [...]
American Rare Earths , has expanded their existing relationship with Tetra Tech, Inc. a leading engineering firm to the U.S. Federal Government and its major defense agencies. Tetra Tech will help explore, advise on, and apply for U.S. Government funding opportunities for the Company's Flagship Halleck Creek project. Tetra Tech has been a close collaborator and consultant to ARR since 2023, leading Halleck Creek's mineral [...]
Highlights Updated Mineral Resource Estimate in the Cowboy State Mine Area reclassifies indicated resource by 68.4 million tonnes. 102 Channel Samples collected in 2025 provided data points for an updated geological resource model, resource conversion and mineral resource estimate Summer exploration and mapping collected 18 additional channel samples across the CSM area 18 Channel samples returned average values of 5,471 [...]
Dear Shareholders, On behalf of the Board, I am pleased to present my address to shareholders for the 2025 Annual General Meeting at a pivotal moment for the Company and the U.S. rare earths industry. Heightened geopolitical tensions and recent restrictions on rare earths exports from China have accelerated U.S. government efforts to secure a permanent domestic mine-to-magnet supply chain. Against this backdrop, [...]
Highlights Preliminary Updated Mineral Processing Flowsheet Following the recent leaching and impurity removal test results1, American Rare Earths is pleased to release a preliminary updated mineral processing flowsheet for the Halleck Creek Rare Earths Project 2. These preliminary results represent a significant milestone for the Company, which brings Halleck Creek one step closer to becoming the United States' next [...]
American Rare Earths advises the following changes to its Board of Directors, with the appointment of Mr. Jason Beckton as Non-Executive Director and the resignation of Mr. Hugh Keller as Non-Executive Director, both effective October 28, 2025. The Company is pleased to announce the appointment of Mr. Jason Beckton as a Non-Executive Director. The Company also advises that Mr. Hugh Keller has resigned as Non-Executive [...]
Key Highlights Major macroeconomic and geopolitical shifts during the quarter are reshaping the Western mine-to-magnet industry The Halleck Creek Rare Earths Project represents a long-term, strategic solution to securing America's rare earths supply Why it Matters The Halleck Creek Rare Earths Project: A Wyoming Solution to Diversify and De-Risk the United States' Upstream Rare Earths Supply Chain DENVER, Oct. 17, 2025 [...]
Highlights Impurity Removal Metallurgical Tests Yield Allanite Rare Earths Processing Breakthrough: Impurity removal is one of the last steps in the hydrometallurgical processing of rare earths elements and is performed to remove non-REE minerals from the leach liquor prior to solvent extraction and separation . Historically, this has been a challenging step for processing allanite-based REEs, like Halleck Creek's ore, as [...]
Highlights ~3,080 tonnes of Halleck Creek ore mined and crushed ~13.7 tonnes of ore samples sent to comminution vendors for optimization testing Tests will target low-effort, but high-yield opportunities to increase overall rare earth magnet element recoveries and strengthen project economics Remaining ore will be stockpiled as feedstock for a demonstration plant DENVER, Sept. 23, 2025 -- American Rare Earths , through [...]
Highlights First Blast Successfully and Safely Completed Excavation of Weathered Material & Construction of Test Mine Underway Bulk sample collection initiated for processing optimization & demonstration plant ore stockpile DENVER, Aug. 18, 2025 -- American Rare Earths , through its subsidiary Wyoming Rare Inc. , has commenced construction of a test mine at the Cowboy State Mine , part of the Halleck Creek deposit, under [...]
Highlights Mixed heavy and light rare earth oxide concentrates produced from Halleck Creek's allanite-based ore as part of the US Department of Defense's on-going Defense Advanced Research Projects Agency Environmental Microbes as a BioEngineering Resource project. Results include: 97.1% pure Heavy Rare Earth Oxide 96.4% pure Light Rare Earth Oxide First production of Light Rare Earth Oxides and Heavy Rare Earth Oxides [...]
