American Rare Earths Reports Highest Grades to Date at Cowboy State Mine, Halleck Creek Project

American Rare Earths (ASX: ARR, OTCQX: ARRNF) has announced significant advancements in its Halleck Creek Project located in Wyoming, following the completion of its 2024 drilling campaign at the Cowboy State Mine (CSM). The final assay results from the last five drill holes have yielded some of the highest grades of Total Rare Earth Oxides (TREO) ever recorded in the area, marking a pivotal moment in the company’s efforts to establish a robust rare earth resource.

The latest drilling results reveal multiple high-grade intersections, with several exceeding 5,000 parts per million (ppm) TREO. Notable intervals include:

– HC24-RM046: 148.0 meters at 4,451 ppm TREO, with a peak of 6,198 ppm.

– HC24-RM048: 161.5 meters at 4,275 ppm TREO, reaching a maximum of 5,869 ppm.

– HC24-RM049: 90.0 meters at 4,353 ppm TREO, peaking at 6,049 ppm.

These results not only confirm extensive high-grade zones but also reinforce Halleck Creek’s status as one of North America’s most promising rare earth developments. 

The latest drilling results reveal multiple high-grade intersections, with several exceeding 5,000 parts per million (ppm) TREO. Notable intervals include HC24-RM046, which recorded 148.0 meters at 4,451 ppm TREO, peaking at 6,198 ppm; HC24-RM048, showing 161.5 meters at 4,275 ppm TREO with a maximum of 5,869 ppm; and HC24-RM049, which measured 90.0 meters at 4,353 ppm TREO, reaching a peak of 6,049 ppm. These findings not only confirm the presence of extensive high-grade zones but also reinforce Halleck Creek’s status as one of North America’s most promising rare earth developments.

Chris Gibbs, CEO of American Rare Earths, emphasized the significance of these findings: “These exceptional results showcase Halleck Creek’s potential to become a flagship rare earth project for North America. The high-grade TREO zones identified underscore the significant scale and quality of the deposit and strengthen our confidence in the project’s future.” 

With increasing attention from the U.S. government on securing domestic critical mineral supply chains, Halleck Creek is strategically positioned to support both defense industry needs and broader economic initiatives related to energy transition.

American Rare Earths is currently working towards an updated resource estimate and a Pre-Feasibility Study (PFS) for Halleck Creek, slated for completion in 2025. The company is also engaging with potential strategic partners to maximize the value of this critical asset. Gibbs noted that their recent collaboration with BMO Capital Markets and other industry experts is aimed at accelerating development efforts.

In addition to its focus on resource extraction, American Rare Earths is committed to developing environmentally friendly and cost-effective methods for mining and processing rare earth elements. This approach aligns with the growing demand for sustainable practices in the clean energy sector and supports U.S. national security objectives.

These latest assay results not only highlight the potential of the Halleck Creek Project but also signal a critical step towards enhancing North America’s rare earth supply capabilities. As global demand for these essential minerals continues to rise, projects like Halleck Creek will play an increasingly vital role in meeting both domestic and international needs.

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