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American Rare Earths Channel Sampling Program Highlights TREO Grades up to 13,651 ppm
ARMOUR Residential REITARMOUR Residential REIT(US:ARR) GlobeNewswire News Roomยท2025-05-08 12:33

Core Insights - American Rare Earths Limited (ARR) reported positive results from a mapping and channel sampling program at the Cowboy State Mine (CSM) in Wyoming, confirming elevated rare earth mineralization [2][3] - The standout sample graded 1.37% (13,651 ppm) Total Rare Earth Oxide (TREO), with an average TREO grade of 3,661 ppm across the sampled area [3][10] - The project is positioned to become a significant source of critical rare earth materials in the U.S., particularly neodymium, praseodymium, dysprosium, and terbium, which are essential for high-temperature magnets [5][6] Sampling Results - A total of 106 channel samples were collected, with 15 samples exceeding 4,500 ppm TREO, indicating areas of high-grade material [3][10] - Magnet rare earth oxides (MREO) averaged 1,023 ppm, accounting for approximately 28% of the total rare earth content, while heavy rare earth oxides (HREO) averaged 464 ppm, representing around 13% [3][10] Project Development - The southern portion of Red Mountain is highlighted as hosting some of the highest-grade material observed to date for the CSM area, with results being incorporated into an updated geological model and mineral resource estimate [4][10] - The Pre-Feasibility Study for the project is on track for completion in late 2025, with plans for onsite mineral processing and separation facilities [4][11] Strategic Importance - The project is strategically located on state lands in Wyoming, providing a clear path for development without the need for federal permitting reform [7] - With China's recent export bans on critical rare earths, the national importance of Halleck Creek as a secure domestic source has been emphasized [7] Future Outlook - A staged development plan could see first production as early as 2029, positioning Halleck Creek as one of America's most significant rare earth projects [8] - The project aims to reduce U.S. reliance on rare earth imports, particularly from China, while meeting the growing demand for these elements essential to defense and advanced technologies [11]