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Overview of American Rare Earths Limited (ARRNF)
American Rare Earths Limited (ARRNF) is a critical minerals company at the forefront of reshaping the rare earths industry in the United States. With a strategic focus on developing domestic rare earth element (REE) resources, the company plays a vital role in reducing U.S. reliance on imports, particularly from China, while supporting the growing demand for these essential materials across defense, technology, and renewable energy sectors.
Core Operations and Strategic Projects
The company’s flagship project, the Halleck Creek Project in Wyoming, is recognized as one of the largest rare earth deposits in North America. With a JORC-compliant resource of over 2.63 billion tonnes, Halleck Creek is positioned to become a multi-generational asset that aligns with U.S. national priorities for critical mineral independence. The project benefits from Wyoming's mining-friendly regulatory environment, streamlined permitting processes, and cost-efficient open-pit mining methods. American Rare Earths is also exploring opportunities to establish onsite mineral processing and separation facilities, further enhancing its role in strengthening the U.S. supply chain.
Market Context and Industry Significance
American Rare Earths operates within the rapidly growing critical minerals industry, driven by the increasing global demand for rare earth elements essential to advanced technologies, clean energy solutions, and national security. The company’s focus on U.S.-based resources positions it as a key player in addressing supply chain vulnerabilities and supporting economic growth. By prioritizing environmentally responsible mining practices and collaborating with government-supported R&D programs, American Rare Earths is committed to developing innovative extraction and processing technologies that align with sustainability goals.
Competitive Advantages
- Strategic Location: The Halleck Creek Project is situated on Wyoming State land, offering logistical and regulatory advantages for mining and processing operations.
- Resource Scale: With vast untapped potential on both State and Federal lands, the project represents a cornerstone of U.S. critical mineral supply chains.
- Environmental Responsibility: The company integrates sustainable practices and cutting-edge technologies to minimize its environmental footprint.
- Alignment with National Priorities: American Rare Earths supports U.S. efforts to achieve critical mineral independence, reinforcing its significance in the global rare earths market.
Commitment to Innovation and Sustainability
American Rare Earths collaborates with U.S. Government-supported research programs to advance environmentally friendly extraction and processing methods. This commitment to innovation ensures the company remains at the forefront of the critical minerals industry while addressing the environmental challenges associated with rare earth mining.
Future Outlook
As exploration and development progress, the Halleck Creek Project is poised to become a transformational resource for the United States. By contributing to domestic supply chain security and supporting key industries, American Rare Earths Limited is well-positioned to play a pivotal role in the critical minerals sector for generations to come.
American Rare Earths (ARRNF) has announced results from its Updated Halleck Creek Scoping Study, revealing strong economic potential for its rare earths project in Wyoming. The study presents two development scenarios:
The 3 Mtpa base case shows:
- NPV10% of US$558M with 24% IRR
- CAPEX of US$456M with 2.7-year payback
- Annual production of 4,169 metric tons TREO, including 1,833 tons NdPr oxide
The 6 Mtpa case demonstrates:
- NPV10% of US$1.17B with 28.4% IRR
- CAPEX of US$737M with 1.8-year payback
- Annual production of 7,661 metric tons TREO, including 3,344 tons NdPr oxide
The project benefits from state land tenure for accelerated permitting and covers only 16% of the total project area, with significant expansion potential. First production could begin by 2029.
American Rare Earths (ARRNF) has achieved a significant metallurgical milestone at its Halleck Creek Rare Earths Project in Wyoming. Large-scale testing has successfully demonstrated a 10:1 upgrade in rare earth concentration, increasing from 3,438 ppm (0.34%) TREO to 37,200 ppm (3.72%) TREO using conventional, low-cost methods.
The test work, conducted with Mineral Technologies on a 1.9-tonne sample, utilized MG12 Spirals and Induced Roll Magnetic Separation (IRMS) technology. The process effectively removes 93.5% of non-rare earth material early in processing, meaning only 6.5% of mined ore requires further refining, potentially reducing operating costs significantly.
The initial TREO recovery rate was 62%, below the 78% outlined in the Scoping Study. However, optimization work is ongoing to enhance recoveries while maintaining the 10X upgrade factor. These results validate key assumptions in the Scoping Study and will support the upcoming Pre-Feasibility Study (PFS).
American Rare Earths (ARRNF) announced a significant update to its Halleck Creek Rare Earth Project in Wyoming. The total mineral resource estimate increased by 12.2% to 2.63 billion tonnes at 3,926 ppm Total Rare Earth Oxides (TREO). The Red Mountain Area saw a 29.7% growth in resources to 1.24 billion tonnes, with an 8.3% grade increase to 3,252 ppm TREO.
The Cowboy State Mine, representing the first phase of development, expanded by 29.4% to 543 million tonnes, with a 2.7% increase in TREO grade to 3,438 ppm. The deposit remains open at depth and along strike, with the current estimate covering only 16% of the project area. The company plans to release an updated Scoping Study in February 2025, followed by a Pre-Feasibility Study later in the year.
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.
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