Welcome to our dedicated page for American Rare Earths news (Ticker: ARRNF), a resource for investors and traders seeking the latest updates and insights on American Rare Earths stock.
American Rare Earths Limited (ARRNF) generates frequent news as it advances the Halleck Creek Rare Earths Project in Wyoming and positions itself within the U.S. critical minerals landscape. Company announcements highlight technical milestones, resource updates, permitting progress and corporate developments that are central to understanding its trajectory as a rare earths developer.
News coverage often focuses on mineral processing breakthroughs, such as impurity removal neutralization tests on allanite-based ore, the selection of magnesium oxide as the preferred neutralizing reagent, and the successful production of mixed rare earth oxalate and mixed rare earth oxide (MREO) from Halleck Creek ore. These updates provide insight into how the company is de-risking its hydrometallurgical flowsheet and moving toward a robust Pre-Feasibility Study.
Investors can also follow resource and exploration news, including updated Mineral Resource Estimates for the Cowboy State Mine area, channel sampling results, and new drilling permits at both the Cowboy State Mine and Bluegrass exploration areas. These releases outline how geological data and modeling are refining the scale and classification of resources within Halleck Creek.
Corporate and strategic news includes board and management changes, expanded relationships with engineering partners such as Tetra Tech, and initiatives to explore U.S. government funding opportunities for critical minerals projects. Quarterly activity reports and AGM addresses summarize progress in test mining, optimization work, permitting and funding, and frame Halleck Creek’s role in the broader U.S. mine-to-magnet strategy.
By tracking ARRNF news, readers can monitor how American Rare Earths is progressing from exploration and test work toward potential development, and how its technical and regulatory milestones may influence the long-term outlook for the Halleck Creek Project.
American Rare Earths (ARRNF) has been recognized in the 2025 OTCQX® Best 50, ranking as the third most traded company among top performers on the OTCQX Best Market in 2024. The ranking is based on one-year total return and average daily dollar volume growth during the previous calendar year.
The company's Halleck Creek Project, containing 2.34 billion tonnes of TREO under JORC standards, is positioned as a key component of the U.S. rare earths supply chain. The project aims to reduce American dependence on foreign imports while supporting clean energy and defense technologies.
The OTCQX Best Market recognition highlights companies meeting high financial standards, following best practice corporate governance, and maintaining securities law compliance.
American Rare Earths (ARRNF) has announced that its subsidiary Wyoming Rare (USA) has been granted a License to Explore by Dozing at the Halleck Creek Rare Earths Project in Wyoming. The license enables test mining, trenching, and exploratory excavation, including bulk material sample collection at the Cowboy State Mine project area.
The bulk sampling authorization represents a important step for the company, as it will provide feedstock for future pilot plant testing at their recently acquired Laramie facility. This development will enable ARR to refine processing techniques and optimize project design, advancing toward commercial development.
CEO Chris Gibbs emphasized that this approval demonstrates their strong relationship with Wyoming state authorities and marks a significant step in developing the project while maintaining high environmental and community standards. The company will continue pilot plant testing, metallurgical analysis, and process optimization as part of their development strategy.
American Rare Earths (ARRNF) has announced that its subsidiary, Wyoming Rare (USA), has secured a facility at the Western Research Institute in Laramie, Wyoming. This development follows a recent $7.1 million grant from the State of Wyoming for rare earth processing initiatives.
The facility will serve multiple purposes, including housing drill core and assay samples, and accommodating the construction of a pilot plant for processing capabilities. The Western Research Institute, a not-for-profit research organization, specializes in advanced energy systems, environmental technologies, and materials research.
This strategic partnership aims to advance the Halleck Creek Rare Earths Project and strengthen Wyoming's position in critical minerals development while supporting the company's mission to onshore critical mineral supply chains for the USA.
American Rare Earths (ARRNF) has announced final assay results from its 2024 drilling campaign at the Cowboy State Mine area within the Halleck Creek Project, Wyoming. The results revealed the highest-grade Total Rare Earth Oxide (TREO) intersections recorded at the site, with significant intervals including: 148.0m @ 4,451 ppm TREO, 161.5m @ 4,275 ppm TREO, and 90.0m @ 4,353 ppm TREO. Multiple high-grade intersections exceeded 5,000 ppm TREO. The company plans to complete an updated resource estimate and Pre-Feasibility Study (PFS) for Halleck Creek in 2025.
American Rare Earths (ARRNF) has engaged BMO Capital Markets as its financial adviser to accelerate the development of the Halleck Creek Project in Wyoming. BMO will explore strategic investments, joint ventures, mergers and acquisitions, and offtake agreements. This follows the establishment of Wyoming Rare USA Inc. as a dedicated U.S. subsidiary. The project, recognized as one of North America's largest rare earth deposits, has received support from Wyoming Energy Authority and a Letter of Interest from the U.S. Export-Import Bank. The engagement aims to position Halleck Creek as a cornerstone of the U.S. critical minerals supply chain, capitalizing on growing U.S. support for domestic critical minerals production.
American Rare Earths (ARRNF) announces the appointment of board member Melissa Sanderson as Co-Chair of the Critical Minerals Institute (CMI). With extensive experience in diplomacy and private sector leadership, Sanderson's appointment strengthens ARR's position in developing North American rare earth elements supply chains. Her role at CMI will enhance the company's influence in critical minerals advocacy and policy-making. The appointment follows her successful efforts in securing a Letter of Interest from the Export-Import Bank of the United States for ARR's development projects. The company operates the Halleck Creek Project in Wyoming and La Paz deposit in Arizona, potentially becoming North America's largest rare earth projects.
American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) has received its first reimbursement of over US$304,000 (A$450,000) from the Wyoming Energy Authority (WEA) grant. This marks significant progress in developing the Cowboy State Mine at Halleck Creek. The reimbursement follows the approval of a US$7.1 million (A$10.7 million) non-dilutive funding grant on June 27, 2024. Funds will support ongoing initiatives including exploration drilling, baseline environmental studies, and prefeasibility assessments.
CEO Chris Gibbs stated that this reimbursement is important for executing their plans and de-risking the Cowboy State Mine, aiding in achieving their 2025 goals. The company owns Wyoming Rare (USA) Inc., focused on the Halleck Creek Project, WY, and the La Paz, AZ rare earth deposit. Both projects have the potential to become the largest and most sustainable rare earth projects in North America.
American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) has successfully completed an extended 2024 drilling program at its Halleck Creek Rare Earths Project in Wyoming. The program included five additional reverse circulation (RC) drill holes, totaling 837 meters, focused on the western section of the Cowboy State Mine (CSM) deposit, an area known for higher-grade rare earth mineralization.
Key highlights include:
- Geophysical logging and detailed geological analysis of drill cuttings are underway
- Samples have been sent to ALS Global for formal assay
- Results are expected to contribute to resource model updates and long-term project development
CEO Chris Gibbs emphasized the importance of targeting high-grade zones to enhance the project's resource potential. The company will incorporate the new data into updated geological models and continue to inform the market as the program progresses.
American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) has announced positive assay results from its 2024 drilling campaign at the Cowboy State Mine (CSM) area in Wyoming. The results confirm high-grade rare earth ore in the western portion of the deposit, with significant intercepts including:
- HC24-RM044: 172.4m @ 3,716 ppm TREO
- HC24-RM036: 51.0m @ 3,390 ppm TREO
- HC24-RM040: 30.0m @ 2,203 ppm TREO
The campaign has defined the eastern boundary of the Red Mountain Pluton and will now focus on higher-grade zones near Red Mountain. Four additional drill holes are planned to target these areas. The CSM area is part of the larger Halleck Creek deposit, which has a 2.34 billion tonne JORC resource containing 7.48 million tonnes of total rare earth oxides.
American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) has announced that its subsidiary, Wyoming Rare (USA) Inc., received a non-binding Letter of Interest from the Export-Import Bank of the United States (EXIM) for a debt funding package of up to US$456 million. This funding is intended for the construction and execution phase of the Cowboy State Mine area at the Halleck Creek Project in Wyoming.
The debt financing will have a 15-year repayment term under EXIM's Make More In America Initiative. The Halleck Creek deposit has a 2.34 billion tonne JORC resource, containing 7.48 million tonnes of total rare earth oxides, including key magnet metals like Neodymium and Praseodymium oxides. This project is seen as the first step in a multi-phase approach to developing the Halleck Creek deposit, which has the potential to be a multi-generational rare earths asset for the U.S.