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American Rare Earths Limited (AMRRY) generates a steady stream of project and technical updates as it advances the Halleck Creek Rare Earths Project in Wyoming. News coverage for AMRRY focuses on the company’s progress in exploration, mineral resource definition, mineral processing breakthroughs and engagement with U.S. critical minerals initiatives.
Recent announcements highlight test mining at the Cowboy State Mine area, where ore was excavated and crushed under a Wyoming exploration license to supply comminution and beneficiation optimization programs and to build stockpiles for a planned demonstration plant. Other releases detail updated mineral resource estimates for the Cowboy State Mine area, incorporating channel sampling and new drilling permits that support future development and exploration in zones such as Bluegrass and Red Mountain.
Technical news is a major theme. The company reports extensive leach testing, selection of atmospheric tank leaching, and a significant impurity removal breakthrough for its allanite-based ore using magnesium oxide, which reduced problematic by-products and removed deleterious elements from leach solutions. Additional updates describe preliminary Reflux Classifier Concentrator tests, comminution work with international vendors and the successful production of mixed rare earth oxalate and mixed rare earth oxide from Halleck Creek ore.
Corporate and strategic items also appear in AMRRY news, including board changes, executive appointments, funding activities, and an expanded relationship with Tetra Tech to pursue U.S. government funding opportunities. Investors and observers can use the AMRRY news feed to follow how these technical, regulatory and corporate developments shape the company’s stated goal of contributing to U.S. mine-to-magnet supply chains.
American Rare Earths (OTCQX: AMRRY) has engaged a US exploration and geoscience consultancy to review historical data and design targeted follow-up work for gold, silver, copper and manganese at its La Paz Project in La Paz County, Arizona.
The La Paz tenure comprises approximately 2,779 ha (6,866 acres) of federal claims plus a 260 ha (640 acres) state mineral lease. The review will consolidate mapping, re-log historic drill material, re-evaluate geochemistry and assess geophysics, producing a ranked inventory of precious and base metal targets and potential focused follow-up in 2026.
American Rare Earths (ADR: AMRRY) was selected to provide feedstock to the U.S. Department of Energy METALLIC consortium for domestic critical minerals and materials supply‑chain research. In December 2025 the company supplied approximately 5 tonnes of allanite ore from the Cowboy State Mine for testing across four METALLIC test centers.
METALLIC brings nine national labs together to validate and commercialize processing methods; ARR’s mineral processing flowsheets will be tested alongside novel methods, offering third‑party technical validation and potential efficiency gains.
American Rare Earths (ADR: AMRRY) consolidated the President and CEO roles, with Mark Wall assuming both positions effective immediately. Management will focus on accelerating the Halleck Creek project and pursuing a US listing. The company plans a Whole of Property Assessment of a 2.63 billion tonne Halleck Creek resource and an Opportunity Assessment of La Paz in Arizona.
The Board says the consolidation aims to sharpen decision-making and speed project execution toward becoming a domestic mine-to-magnet supply source.
American Rare Earths (OTC:AMRRY) CEO Mark Wall outlines progress at the Halleck Creek rare earths project and strategic priorities for 2026. Key items: successful production of mixed rare earth oxalate and oxide from Halleck Creek material, target completion of a Pre‑Feasibility Study in 2026, and planned mining permit submission in 2026.
The company highlights Wyoming jurisdictional strength (Fraser Institute July 2025 ranking #4) and is evaluating U.S. listing and funding pathways to advance scale-up, offtake discussions, and stakeholder engagement.
American Rare Earths (ADR: AMRRY) and its subsidiary Wyoming Rare (USA) Inc. partnered with the University of Wyoming School of Energy Resources to receive a STAR Project award under UW's NSF-funded ART program on Jan 22, 2026.
The award will fund milestone-driven research to assess tailings and byproducts from the Halleck Creek rare earths project, producing a database of material properties, computational evaluations of end-uses, and small-scale lab validation to assess technical viability and potential economic impact.
American Rare Earths (ADR: AMRRY) commented on a U.S. trade proclamation issued Jan 14, 2026 under Section 232 to adjust imports of processed critical minerals and support domestic processing capacity. The proclamation targets reduced reliance on foreign rare earth processing and seeks negotiated trade measures plus increased U.S. production to strengthen defense and advanced manufacturing supply chains.
American Rare Earths highlights its Dec 2025 technical milestone producing a mixed rare earth oxide (MREO) from the Halleck Creek ore and cites a multi‑generational light and heavy rare earths resource as relevant to U.S. supply‑chain resilience.
American Rare Earths (ADR: AMRRY) produced a mixed rare earth oxide (MREO) from Halleck Creek ore using the updated preliminary PFS mineral processing flowsheet on Dec 16, 2025. SGS Lakefield precipitated a mixed rare earth oxalate and calcined it at 1,000°C to form MREO, converting Ce3+ to Ce4+ to aid downstream solvent extraction. Bench results show ~97% REE recovery and ~98% magnet-REE recovery at 110% stoichiometry, and uranium in PLS fell from 1.27 ppm to 0.04 ppm (≈97%) with ion exchange; combined neutralization and ion exchange removed ≈99% uranium. Solvent-extraction simulation and further process optimization are underway for the upcoming PFS.
American Rare Earths (OTCQX:AMRRY) announced the appointment of Mark Wall as CEO effective January 5, 2026, to lead its transition from explorer to U.S. rare earths producer. Key operational milestones cited include an upgraded mineral resource estimate for Halleck Creek, impurity-removal testwork breakthroughs in the processing flowsheet, an expanded relationship with Tetra Tech, and advancement of a prefeasibility study plus plans for a demonstration plant. Management also said it is evaluating a potential U.S. listing and pursuing U.S. government funding pathways to support project financing and permitting.
The Board highlighted Mr. Wall’s 30+ years of mining experience and said leadership will focus on study completion, demonstration plant delivery, funding pathways, and preparing for a potential U.S. listing.
American Rare Earths (ADR: AMRRY) on Nov 20, 2025 expanded its relationship with Tetra Tech (NASDAQ: TTEK) to include exploring and applying for U.S. Government funding for the Company's Flagship Halleck Creek project.
Tetra Tech, a long‑time technical partner since 2023, will continue mineral processing testing and engineering while advising on strategic engagement with federal agencies to pursue funding opportunities intended to accelerate project development and secure domestic supply of magnet metals.
The company cited the Federal Government mandate to build critical minerals supply chains and described Halleck Creek as a potential solution to diversify U.S. rare earth upstream supply amid a single producing REE mine domestically.
American Rare Earths (ADR: AMRRY) updated the Cowboy State Mine (CSM) mineral resource estimate to 547.5 million tonnes at a 1,000ppm TREO cut-off after incorporating 102 channel samples and geological re-modelling.
Key outcomes: 63.9 million tonnes were reclassified from inferred to indicated; mapping added ~4.5 million tonnes; a standout channel sample returned 13,816 ppm TREO. ARR secured permits for 27 drill holes at CSM and 29 holes at Bluegrass to support in-fill and exploration drilling ahead of technical studies beyond the pre-feasibility study.