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American Rare Earths Limited
Investor Insight
American Rare Earths is unlocking the USA’s rare earths potential through its strategic, high-value asset in Wyoming, ramping up its development to bolster the North American critical minerals supply chain.
Overview
American Rare Earths (ASX:ARR,OTCQX:ARRNF,ADR:AMRRY) is a critical minerals exploration company focused on its 100 percent owned Halleck Creek project in Wyoming. This project represents the largest known rare earth deposit in the US, with high concentrations of key magnet elements such as neodymium, praseodymium, dysprosium and terbium—essential components for renewable energy, electric vehicles and advanced defense systems.
The US currently depends on China for 80 to 90 percent of its rare earth processing, which poses a significant supply chain risk. Halleck Creek’s vast resource, with a 2.63-billion-ton JORC estimate at 3,292 parts per million (ppm) total rare earth oxide (TREO), provides an opportunity to secure domestic supply for nearly 100 years.
Beyond its substantial resource base, the project offers significant exploration upside, presenting a multi-generational opportunity to establish a sustainable rare earths supply chain in the US. The support from EXIM Bank further highlights the strategic importance of Halleck Creek in reducing U.S. dependency on foreign suppliers.Company Highlights
- American Rare Earth’s flagship project, Halleck Creek, is one of North America’s largest REE deposits. With a 2.63-billion-ton JORC resource at 3,292 ppm TREO, it holds the potential to meet US rare earths demand for approximately 100 years.
- The company is completely focused on developing a US-based critical minerals supply chain, aligning with US policies to reduce reliance on China for rare earth supply.
- The Halleck Creek project’s planned development consists of two phases. Phase 1 entails development of the Cowboy State mine, which is located entirely on Wyoming state land, enabling faster permitting and streamlined regulatory processes. Subsequently, cash flow generated from CSM will support development of the federal portions of Halleck Creek in Phase 2.
- This phased approach allows ARR to accelerate its pathway to production, enhance shareholder value, and strengthen its position as a key domestic supplier of rare earth elements in the United States.
- Well-positioned to address critical supply chain vulnerabilities, Halleck Creek benefits from strong federal and state support, including a non-binding EXIM Bank letter of interest for funding up to $456 million.
Key Projects
Halleck Creek Project (Wyoming)
The Halleck Creek project in Albany County, Wyoming, is the cornerstone of ARR’s growth strategy. Recognized as one of the largest, rare-earth deposits in North America, it boasts a JORC-compliant resource of 2.63 billion tons at 3,292 ppm TREO. The deposit is hosted in Precambrian granites and metamorphic rocks, which contain REE-enriched minerals like monazite and bastnaesite. The coarse-grained nature of the mineralization ensures cost-effective extraction and processing.
The high TREO content and low levels of impurities make Halleck Creek well-suited for producing separated rare earth oxides, particularly key magnet elements such as neodymium, praseodymium, terbium and dysprosium. The project’s proximity to established infrastructure, including roads and utilities, supports cost-efficient development. Detailed geological surveys have delineated a large, continuous mineralized zone, which currently covers only 16 percent of the total land package. Advanced metallurgical testing has confirmed recovery rates of up to 67 percent, with further optimization efforts ongoing. Drilling campaigns in 2024 successfully expanded resource estimates, validating the deposit’s scalability.
ARR plans to take a phased development approach for Halleck Creek, designed to maximize early value while minimizing risk. Phase 1 entails the development of the Cowboy State mine (CSM), which will focus on mining high-grade zones and generating early cash flow. Phase 1 will be developed entirely on Wyoming state land, enabling faster permitting and streamlined regulatory processes.
According to the Phase 1 Scoping Study, the CSM development is projected to require an initial capex of $380 million, with a 20 percent contingency. The study estimates an NPV of $430 million at a 10 percent discount rate and an IRR of 21.1 percent, based on a 3-million-ton-per-annum throughput rate. The project is expected to have a payback period of 2.9 years and a life of mine exceeding 20 years, with significant potential for future expansion.
In Phase 2, ARR plans to expand operations into federal land areas within the Halleck Creek property. This phase involves de-risking the federal portions of the project by leveraging cash flow from the initial phase and advancing permitting processes in parallel. Additionally, ARR is actively engaging with state regulators and local stakeholders to ensure compliance and support for its phased development approach.
Upcoming Work
ARR is advancing its development efforts on Halleck Creek over several fronts. The company plans to conduct additional drilling aimed at expanding the resource by targeting unexplored zones with known mineralization. In parallel, Phase 2 metallurgical testing will focus on improving recovery rates and producing high purity separated rare earth oxides to enhance project economics. To maintain its accelerated timeline, ARR is making progress on permitting, including advancing state-level approvals and environmental baseline studies for the CSM area. Furthermore, the company plans to initiate a pre-feasibility study (PFS) by late 2025, emphasizing a phased development strategy that includes the CSM as a key component.
La Paz Project (Arizona)
The La Paz project, located in western Arizona, is a promising asset in ARR’s portfolio, featuring a 171-million-ton JORC resource. The deposit is enriched in light rare earth elements, particularly cerium, lanthanum and neodymium, which are critical for renewable energy technologies and electric vehicles. The project benefits from excellent infrastructure, including proximity to roads and power. ARR continues to evaluate the potential for expanding the resource and advancing the project through further drilling and metallurgical testing. Although secondary to Halleck Creek, it holds potential as a long-term asset for ARR’s portfolio.
Beaver Creek (Wyoming)
This project is located near Halleck Creek and shares similar geological characteristics, indicating potential for significant rare earth mineralization. Preliminary fieldwork has identified areas with elevated rare earth element concentrations, and ARR plans to conduct detailed mapping and geophysical surveys to define drill targets.
Searchlight (Nevada)
Situated close to Mountain Pass, the only currently operating rare earth mine in the US, the Searchlight project is strategically located in a region known for its rare earth potential. ARR’s exploration strategy includes leveraging historical data and conducting modern geochemical sampling to identify high-priority areas for further exploration.
Leadership Team
Chris Gibbs - CEO & Executive Director
Appointed in November 2021, Chris Gibbs brings more than 30 years of experience in the resource sector across Australia, Canada, the US, South America, Africa and Europe. His track record includes driving growth and operational excellence for industry-leading mining companies. Prior to joining ARR, Gibbs held senior positions at Argonaut Gold, Centerra Gold, Barrick Gold, Placer Dome and Millennium Chemicals.
Joe Evers - President
Joe Evers has served in various leadership roles in the energy and mining industry. Most recently, Evers served as general counsel of American Rare Earths. Prior to that, he was corporate counsel at an international mining company and held positions of increasing responsibility in the land and policy departments at a publicly traded oil and gas company. Originally hailing from Sheridan, Wyoming, Evers received a bachelor’s degree and JD/MA in Environment & Natural Resources from the University of Wyoming. Evers was instrumental in securing a US$7.1 million grant from the State of Wyoming with support from partners Wyoming Energy Authority and the University of Wyoming Energy Resources Council.
Dwight Kinnes - Chief Technical Officer
A geologist with decades of experience, Dwight Kinnes has specialized in geological modeling of complex deposits in various international locations. Before joining ARR, he served as president of Highland GeoComputing LLC for 17 years, providing geological field services, modeling, GIS and database management to the mining industry.
Wayne Kernaghan - Company Secretary
Appointed on September 25, 2020. Wayne Kernaghan is a member of the Institute of Chartered Accountants in Australia with over 35 years’ experience in various areas of the mining industry. He is a fellow of the Australian Institute of Company Directors and a chartered secretary.
Board of Directors
Richard Hudson - Chairman
Richard Hudson contributes deep leadership expertise in mining and exploration, with a focus on mineral royalties, mineral economics, financial management, strategic planning and acquisitions. His extensive experience enhances the board's capacity to guide ARR's strategic initiatives.
Sten L Gustafson - Non-executive Director and Deputy Chairman
Sten Gustafson is the chief executive officer and a director of Pyrophyte Acquisition (NYSE:PHYT), a special purpose acquisition company focused on companies that provide products, services, equipment and technologies that support a variety of energy transition solutions. He is a highly experienced energy service industry executive, investment banker and corporate securities attorney. With over 25 years of experience in the global energy sector, Gustafson has advised on more than 100 corporate transactions worldwide worth over US$100 billion in value.
Melissa ‘Mel’ Sanderson - Non-executive Director
Melissa Sanderson’s international career has spanned diplomacy and mining for more than 30 years. She is adept at cross-cultural communication and brings exceptional leadership experience in inclusivity and diversity issues. At global mining leader Freeport-McMoRan, Sanderson sited, staffed and ran a corporate office focused on government and public relations and social responsibility programs. She has also served as a senior diplomat in the US Department of State.
Hugh Keller - Non-executive Director
Hugh Keller had a successful 34 year career as a partner at the law firm Dawson Waldron (now Ashurst) until retirement from full time legal practice in 2010. During this time, Keller served as joint national managing partner, Sydney office managing partner, chairman of the staff superannuation fund, one of the practice leaders, and as a board member. He was a non-executive director of ASX listed Thakral Holdings and a member of its audit committee until the company was acquired in a public takeover by Brookfield. He was a non-executive director of LJ Hooker and a member of its audit committee. He has also served as chairman of a large private investment company, several small investment companies and a private small exploration company. Keller has extensive legal experience and expertise in commercial contracts and arrangements, and public company audit committee procedures and requirements. He has led large teams of professionals and successfully managed people and resources in large projects.
Advancing one of the largest REE deposits in North America
Global Tactical Metals Corp. Expands Portfolio to Nevada, Staking Past-Producing Green Antimony Mine
Global Tactical Metals Corp. (CSE: MONI) ("Global Tactical Metals Corp." or the "Company") is excited to announce the successful staking of the Green Mine, a historically significant antimony deposit located in the Wildhorse Mining District of the Humboldt Range, Pershing County, Nevada, U.S.A. This strategic staking aligns with our commitment to securing and developing critical mineral resources essential for modern industries.
Discovered during World War I, the Green Mine has a well-documented history of antimony production, with operations recorded during three distinct periods: 1936-1937, 1952-1954, and 1962-1967. Historical data confirms that the site produced 46 tons of antimony, with documented mineralization occurring along fault zones within altered gabbro, limestone and shale. Notably, historical sampling results from the Green Mine have demonstrated impressive grades, including:
- Antimony (Sb): 1.20% to 32.95%
- Lead (Pb): 0.6% to 3.9%
- Silver (Ag): 0.70 oz/ton to 16.20 oz/ton
- Gold (Au): 0.01 oz/ton to 0.07 oz/ton
Key minerals identified on the property include pyrite, arsenopyrite, jamesonite (Pb4FeSb6S14) and secondary bindheimite (Pb2Sb2O6(O,OH), and possibly boulangerite (Pb5Sb4S11) , further underscoring the site's mineral potential (Nevada Bureau of Mines and Geology online database; USGS Bulletin 2218).
High-grade antimony oxide ore has been identified in multiple locations across existing mine workings and surface outcrops, further validating historical reports of mineralization. To quantify the extent and grade of these occurrences, our team has collected a series of representative samples, which are currently being prepared for laboratory analysis. These assays will provide critical data on Sb content, associated metals, and ore characteristics, guiding our next phase of exploration and development.
Figure 1: Antimony Oxide Showings
To view an enhanced version of this graphic, please visit:
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Figure 2: Exploration Team On Site
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To build upon the mine's proven history, Global Tactical Metals has launched an extensive on-site verification program, incorporating geological mapping, geochemical sampling, and geophysical surveys. These initiatives will refine our understanding of the deposit and guide future exploration and development efforts.
In addition to laboratory testing, we will be conducting structural mapping and geochemical surveys to delineate the continuity of high-grade zones and assess their economic potential. These efforts will inform future drilling programs aimed at defining resource tonnage and optimizing potential extraction methods.
In line with our modern exploration approach, the company may deploy cutting-edge technologies, including drone-based LiDAR scanning and hyperspectral imaging, to identify potential extensions of known mineralization and optimize future drilling targets. Our objective is to unlock the full potential of the Green Mine and contribute to the secure, domestic supply of antimony-a critical mineral with applications in flame retardants, batteries, and military-grade alloys.
On behalf of the Board of Directors,
Global Tactical Metals Corp.
Kelly Abbott
CEO
Phone: +1 877-892-7633
Website: globaltacticalmetals.com
Qualified Person
The scientific and technical disclosure for Global Tactical Metals Corp. included in this news release has been reviewed and approved by Mark Smyk P.Geo. Mr. Smyk is a Technical Advisor to the Company and a Qualified Person under National Instrument 43-101 - Standards of Disclosure of Mineral Projects ("NI 43-101").
About Global Tactical Metals Corp.
Global Tactical Metals Corp. is focused on acquiring, exploring, and advancing mineral properties that address critical resource needs in North America. The company holds a 100% interest in the St. Anthony Property, a highly prospective mineral asset in Newfoundland, Canada, positioned in a region known for its rich mineral potential.
The company has also significantly expanded its exploration portfolio with a substantial land package staked in Darling Township, southeastern Ontario-approximately 300 km east-northeast of Toronto. This property, now exceeding 1,400 hectares, targets critical mineral exploration with a primary focus on antimony, a vital element for renewable energy, defense, and electronics industries.
In addition, Global Tactical Metals Corp. has extended its strategic footprint into the United States by staking the Green Mine, a past-producing antimony deposit in Nevada, further strengthening its commitment to securing critical mineral resources.
Forward Looking Statement
Certain information contained in this news release constitutes forward-looking statements under applicable securities laws. Any statements that are not historical facts may be considered forward-looking statements. Forward-looking statements are often identified by terms such as "may," "should," "anticipate," "expect," "potential," "believe," "intend," or similar expressions. These statements relate to future events or future performance and include, but are not limited to, statements regarding: The exploration and development of the Company's mineral properties, including the St. Anthony Property, the Ontario claims, and the newly staked Green Mine; The potential value and economic viability of these mineral assets; The growing demand for antimony and its impact on the Company's strategic initiatives; and The Company's ability to execute exploration programs, conduct geological assessments, and advance its assets towards potential resource development.
Forward-looking information in this press release is based on various assumptions, including but not limited to: the Company's ability to successfully conduct exploration and development activities, access to funding and infrastructure, regulatory approvals, and favorable market conditions for critical minerals.
These statements are subject to known and unknown risks, uncertainties, and other factors that may cause actual results to differ materially from those expressed or implied by such forward-looking statements. Factors that could cause such differences include, but are not limited to: Challenges in obtaining permits, regulatory approvals, or financing; Geological or technical difficulties in mineral exploration and extraction; Changes in market demand or commodity prices; and Unforeseen environmental or operational risks.
Readers are cautioned that the above list is not exhaustive. Forward-looking statements in this press release reflect the Company's expectations as of the date of this release and are subject to change. The Company undertakes no obligation to update or revise any forward-looking statements except as required by applicable law.
Neither the Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.
American Rare Earths Limited Investor Kit
- Corporate info
- Insights
- Growth strategies
- Upcoming projects