ARR AMERICAN RARE EARTHS LTD

American Rare Earths Announces 2024 Drilling Completed in Cowboy State Mine Area

American Rare Earths Announces 2024 Drilling Completed in Cowboy State Mine Area

Highlights

  • 11 HQ holes completed with a total length of 1,585m (5,309 feet).
  • 12 Reverse Circulation (“RC”) holes completed with a total length of 1,031m (3,381 feet).
  • Two core holes drilled to 300m indicate rare earth mineralization and deposit remaining open at depth.
  • Samples have been collected, logged and shipped to ALS Global for splitting and assay with results expected in the coming weeks.
  • The results of this drill program to be used to update geological models, resource estimate and input for the upcoming Prefeasibility Study (“PFS”).

DENVER, Aug. 19, 2024 (GLOBE NEWSWIRE) -- (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) (“ARR” or the “Company”) is pleased to announce completion of the 2024 drilling campaign at the Cowboy State Mine (“CSM”) area.

The drilling campaign consisted of 12 RC holes with a total length of 1,031m (3,381 feet), 11 HQ core with a total length of 1,585m (5,309 feet), two of the core holes have been completed to depths of 300m each. At total length of 2,616m (8,581 feet) was drilled during the program. 689 RC samples and 659 core samples, for a total of 1,348, were collected, logged and shipped to ALS global for splitting and assay. While assay data will determine rare earth element (“REE”) grades, lithologic logs show Red Mountain Pluton (“RMP”) at the base of each core hole.

Chris Gibbs, CEO, commented:

"The team at Wyoming Rare (USA) (“WRI”) continue to demonstrate the exciting potential for this world class deposit at the Cowboy State Mine area, which forms part of the Halleck Creek District. The drill program was successfully completed ahead of schedule, and we look forward to the pending assay results.”

Gibbs added: “We continue to see the significant upside potential with mineralization observed to depths of at least 302m. The primary focus of WRI is to develop the Cowboy State Mine on a portion of the Halleck Creek Wyoming State Tenements. The results of this drill campaign will be instrumental for updating our geological models, resource estimate and input for the upcoming Prefeasibility Study (“PFS”).”

This announcement is authorized for release by the CEO of American Rare Earths.

Competent Persons Statement:

The information in this document is based on company work performed in September and October 2023. This work was reviewed and approved for release by Mr. Dwight Kinnes (Society of Mining Engineers #4063295RM) who is employed by American Rare Earths and has sufficient experience which is relevant to the style of mineralization and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 JORC Code. Mr. Kinnes consents to the inclusion in the report of the matters based upon the information in the form and context in which it appears.

About American Rare Earths Limited:

(ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) owns Wyoming Rare (USA) Inc. which is focused on the development of the Halleck Creek Project, WY. It also owns La Paz, AZ rare earth deposit. Both can potentially become the largest and most sustainable rare earth projects in North America. The Company is developing environmentally friendly and cost-effective extraction and processing methods to meet the rapidly increasing demand for resources essential to the clean energy transition and US national security. The Company continues to evaluate other exploration opportunities and is collaborating with US Government-supported R&D to develop efficient processing and separation techniques of (REEs) elements to help ensure a renewable future. 

For additional information:

Susan Assadi

Media Relations US



347 977 7125

Beverly Jedynak

Investor Relations US



312 943 1123

Full JORC Table and technical summary available :



Figure 1 – 2024 Drill Hole Locations

A photo accompanying this announcement is available at



EN
19/08/2024

Underlying

To request access to management, click here to engage with our
partner Phoenix-IR's CorporateAccessNetwork.com

Reports on AMERICAN RARE EARTHS LTD

 PRESS RELEASE

American Rare Earths’ Shareholder Letter

American Rare Earths’ Shareholder Letter DENVER, Feb. 09, 2026 (GLOBE NEWSWIRE) -- Dear Shareholders, January marked my first full month as Chief Executive Officer of American Rare Earths, and I want to begin by thanking you for the trust you have placed in our team and in me personally. It has been an exceptionally busy and energizing start, and I am more convinced than ever that this company is uniquely positioned to become a cornerstone of the United States rare earths supply chain. After some three decades in mining, I have learned that you can optimize many things in a project; c...

 PRESS RELEASE

American Rare Earths Partners with University of Wyoming to Explore By...

American Rare Earths Partners with University of Wyoming to Explore Byproducts Associated with Future Rare Earths Production at Halleck Creek Highlights American Rare Earths in partnership with the University of Wyoming has been selected for a research award to examine and explore end-uses for the tailings and other byproducts resulting from rare earth elements production at Halleck Creek. Determining viable end-uses for byproducts may potentially enhance Halleck Creek’s economics and reduce the project’s overall footprint. DENVER, Jan. 22, 2026 (GLOBE NEWSWIRE) -- (ASX: ARR | OTCQX: A...

 PRESS RELEASE

U.S. Trade Proclamation Reinforces Importance of Domestic Rare Earths ...

U.S. Trade Proclamation Reinforces Importance of Domestic Rare Earths Supply Chain DENVER, Jan. 21, 2026 (GLOBE NEWSWIRE) -- (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) recognizes the significance of a U.S. trade proclamation issued on January 14, 2026 to adjust imports of processed critical minerals and their derivative products under Section 232 of the Trade Expansion Act. The proclamation is aimed at strengthening domestic supply chains and reducing strategic vulnerabilities in national defense and advanced manufacturing supply chains. The proclamation acknowledges that heavy reliance on ...

 PRESS RELEASE

Rare Earths Oxide Produced From Halleck Creek Ore

Rare Earths Oxide Produced From Halleck Creek Ore Major Technical Breakthrough Highlights Rare earth oxides were produced from Halleck Creek ore using the updated preliminary Pre-Feasibility Study (“PFS”) mineral processing flowsheet1A Mixed Rare Earth Oxalate and Mixed Rare Earth Oxide were created from purified leachate solution using the material from the impurity removal testing2This is the most significant technical milestone achieved for the Project to date DENVER, Dec. 16, 2025 (GLOBE NEWSWIRE) -- (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) (“ARR” or the “Company”) has successfully...

 PRESS RELEASE

American Rare Earths Appoints Mark Wall as Chief Executive Officer to ...

American Rare Earths Appoints Mark Wall as Chief Executive Officer to Lead Next Phase of U.S. Growth DENVER, Dec. 08, 2025 (GLOBE NEWSWIRE) -- American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) (“ARR”, “American Rare Earths” or the “Company”) is pleased to announce the appointment of Mark Wall as Chief Executive Officer, effective January 5, 2026. Mr. Wall brings more than 30 years of global mining experience across operations, project development, permitting and construction in gold, copper, diamonds and uranium, including senior leadership roles with Tier 1 majors and North Am...

ResearchPool Subscriptions

Get the most out of your insights

Get in touch