American Rare Earths expands La Paz focus with multi-commodity target review in Arizona

American Rare Earths Ltd (ASX:ARR, OTCQX:ARRNF) is broadening the scope of its La Paz Project in Arizona, launching a comprehensive review of gold, silver, copper and manganese potential alongside its established rare earths focus. The company has engaged a US-based exploration and geoscience...
American Rare Earths Ltd(ASX:ARROTCQX:ARRNF) View Price & Profile American Rare Earths expands La Paz focus with multi-commodity target review in Arizona
Last updated: 20:26 23 Mar 2026 EDT, First published: 19:26 23 Mar 2026 EDT
American Rare Earths Ltd (ASX:ARR, OTCQX:ARRNF) is broadening the scope of its La Paz Project in Arizona, launching a comprehensive review of gold, silver, copper and manganese potential alongside its established rare earths focus.
The company has engaged a US-based exploration and geoscience consultancy to reassess historical datasets and design a targeted follow-up exploration program aimed at identifying new non-rare earth opportunities across the project area.
The move signals a strategic shift to unlock additional value from La Paz, a large, contiguous land package spanning more than 3,000 hectares in a historically productive mining region known for precious and base metals.
Revisiting historical data with modern techniques
The review will consolidate and reinterpret historical geological mapping, drilling data, geochemistry and geophysics to identify previously overlooked or underexplored mineralisation.
Key elements of the program include:
Re-logging historic drill core and chips to identify sulphide, oxide or manganese-rich zones not targeted in earlier rare earth-focused campaigns Re-evaluating multi-element geochemical datasets to highlight pathfinder signatures linked to gold, silver and copper systems Reviewing geophysical datasets, including magnetic and radiometric surveys, to pinpoint structural controls and prospective zones
The outcome is expected to be a ranked inventory of priority targets across the La Paz tenure, supported by updated geological interpretations and modern exploration workflows.
Potential for follow-up exploration in 2026
Depending on the results of the review, American Rare Earths may move into a focused exploration phase in 2026.
This could include:
Detailed geological and structural mapping over priority areas Ground-based geochemical surveys such as soil grids and rock chip sampling Targeted geophysics, including induced polarisation and resistivity surveys
Importantly, the company plans to integrate any new workstreams with its existing rare earth exploration, leveraging infrastructure, access and geological knowledge already established at La Paz.
Adding another layer to a strategic US asset
Chief executive officer Mark Wall said the initiative reflects the project’s broader mineral potential beyond rare earth elements.
“The La Paz Project sits in a region with a long history of gold, silver, and copper mining, yet much of the modern exploration work has understandably focused on rare earth elements,” Wall said.
“By bringing in a seasoned US geoscience team to take a fresh, multi-commodity look at the data, we are aiming to unlock additional value from this large and strategically located land package.”
He added that any success in identifying additional mineralisation would “add an exciting dimension” to La Paz and support the company’s broader US growth strategy.
Building momentum across US projects
The La Paz initiative complements ongoing work at American Rare Earths’ flagship Halleck Creek project in Wyoming, which the company continues to position as a cornerstone asset in the US critical minerals supply chain. It has recently highlighted Halleck Creek’s growing strategic relevance, including its inclusion in US Department of Energy-backed research programs and continued resource growth milestones.
By expanding La Paz into a potential multi-commodity asset, American Rare Earths is effectively diversifying its US portfolio — positioning itself to benefit not only from rare earth demand tied to defence and advanced technologies, but also from strengthening fundamentals across precious and base metals.
With the US increasingly focused on securing domestic sources of critical minerals, the company’s dual-track approach could enhance both the scale and resilience of its development pipeline.