American Rare Earths Limited (ASX:ARR)

American Rare Earths: Advancing One of the Largest REE Deposits in North America


American Rare Earths (ASX:ARR,OTCQX:ARRNF,ADR:AMRRY) unlocks the USA’s rare earths potential through its strategic, high-value asset in Wyoming. The 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, American Rare Earths is ramping up its development to bolster the North American critical minerals supply chain.

Halleck Creek 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.

American Rare Earths' project portfolio​Key Projects

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.

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.

This American Rare Earths profile is part of a paid investor education campaign.*

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American Rare Earths Limited

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Advancing one of the largest REE deposits in North America

US and Ukrainian flags waving in front of the Capitol dome.

Trump Administration Strikes 50/50 Minerals Deal with Ukraine

The Trump administration has finalized a profit-sharing agreement with Ukraine that will give the US a 50 percent stake in future revenues from the war-torn country’s stores of critical minerals.

At the heart of the deal, announced on Wednesday (April 30), is a set of materials that are foundational to both economic growth and national security, including graphite, lithium, titanium, beryllium and uranium.

The deal also covers the 17 rare earth elements, which are key components in the manufacturing of clean energy technologies like wind turbines, solar panels, electric vehicles and modern weapons systems.

According to US Secretary of the Treasury Scott Bessent, the deal is part of Washington’s broader vision for “a peace process centred on a free, sovereign, and prosperous Ukraine over the long term.”

“President Trump envisioned this partnership between the American people and the Ukrainian people to show both sides’ commitment to lasting peace and prosperity in Ukraine,” Bessent added in a statement.

While emphasizing a commitment to peace in Ukraine, he also issued a warning: any entity "who financed or supplied the Russian war machine" will be barred from taking part in Ukraine’s reconstruction, a thinly veiled reference to Russia’s state-backed energy and mining sectors, as well as Chinese firms with close ties to Moscow.

The US currently imports many key minerals. The US Geological Survey states that of the 50 minerals it classifies as “critical,” the country is 100 percent import-dependent on 12 of them, and more than 50 percent dependent on 16 others.

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A Transformational Step Towards Becoming a Fully Integrated HPA Producer

Impact Minerals Limited (ASX:IPT) (Impact or Company) is pleased to announce that it will acquire a 50% interest in Alluminous Pty Ltd (Alluminous), becoming its largest shareholder. Alluminous is a newly formed company that has successfully acquired 100% of HiPurA Pty Ltd (Administrators Appointed) (HiPurA). HiPurA owns the HiPurA® High Purity Alumina (HPA) processing technology which was previously developed and wholly owned by ChemX Materials Limited (Administrators Appointed) (ChemX). Both ChemX and HiPurA separately entered voluntary administration on 2 January 2025 (ASX Release 4 April 2025).

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Two paper ships with cargo: China flag on left, US flag on right.

Trump Takes Aim at China with Deep-Sea Mining Nod, Looks to Boost Critical Minerals

Continuing his administration’s push toward reducing US reliance on Chinese mineral imports, President Donald Trump has signed a new executive order to fast track processes for deep-sea mining.

The release highlights nickel, cobalt, copper, manganese, titanium and rare earths as strategic minerals key to both national security and economic prosperity, saying that deep-sea mining may provide increased access.

The April 24 announcement from Trump came a day after Secretary of the Interior Doug Burgum outlined potential plans for the government to invest in US companies that mine and process critical minerals.

Speaking at a conference put together by the Hamm Institute for American Energy, Burgum said there may be a need for “equity investment in each of these companies that’s taking on China in critical minerals.”

He discussed a multifaceted strategy that could include the creation of a sovereign wealth fund, government-backed sovereign risk insurance and a national stockpile of critical minerals.

“We should be taking some of our balance sheet and making investments,” Burgum told reporters last week. “Why wouldn’t the wealthiest country in the world have the biggest sovereign wealth fund?”

What's at stake for the US?

These efforts to reposition America’s mineral supply chain come amid the country's escalating trade war with China, which has tightened its grip on the global critical minerals market.


Currently, China produces or refines a dominant share of 20 key raw materials used in essential technologies — from semiconductors and electric vehicle batteries to missile guidance systems and wind turbines.

According to the US Geological Survey, the US was 100 percent reliant on imports for 15 critical minerals in 2024, and approximately 70 percent of its rare earths came from China the year before.

China’s latest retaliation — a new wave of export controls on rare earth elements in response to US tariffs — has only intensified concerns about supply chain vulnerability.

“We have to get back in the game,” Burgum urged in the same conference.

“It’s not just drill, baby, drill. It’s mine, baby, mine. If we don’t do that as a country, we will not be successful. We will literally be at the mercy of others that are controlling our supply chains.”

Building a domestic safety net for America

To offset both economic and geopolitical risks, Burgum laid out three key proposals under consideration:

  1. Sovereign wealth fund — A mechanism to allow the US to take equity stakes in domestic mining and processing firms, particularly those struggling to compete with Chinese state-backed entities.
  2. Sovereign risk insurance — A federal insurance program to reimburse companies in the event that a future administration cancels approved projects.
  3. Critical minerals stockpile — Similar to the Strategic Petroleum Reserve, the government would buy minerals during periods of global oversupply to stabilize domestic prices and secure long-term reserves.

Burgum asserted that the three combined would put the US “in the game around critical minerals,” and said the administration is currently “working on all three.”

Opening the ocean floor to mining

Trump’s executive order directs federal agencies to expedite permitting under the Deep Seabed Hard Mineral Resources Act and the Outer Continental Shelf Lands Act. In addition to that, it instructs agencies to identify mineral-rich regions, facilitate exploration and map seabed areas for priority development.

Notably, the move bypasses the ongoing regulatory negotiations at the International Seabed Authority (ISA), a United Nations body tasked with setting global standards for ocean floor mining.

“The United States has a core national security and economic interest in maintaining leadership in deep sea science and technology and seabed mineral resources,” Trump states in the order.

Officials say US waters hold over 1 billion metric tons of seabed mineral deposits, including copper, cobalt, manganese and nickel — essential materials for renewable energy technologies and military applications.

However, the move has been met with sharp criticism from environmental groups and international regulators, which have long warned of the untested ecological risks of deep-sea mining.

“We condemn this administration’s attempt to launch this destructive industry on the high seas in the Pacific by bypassing the United Nations process,” said Greenpeace USA’s Arlo Hemphill in a statement.

“This is an insult to multilateralism and a slap in the face to all the countries and millions of people around the world who oppose this dangerous industry," he continues in the April 25 release.

The ISA, created under the 1982 United Nations Convention on the Law of the Sea — which the US has not ratified — has been working to establish a regulatory framework before any commercial deep-sea mining begins.

It is still deliberating rules on how to balance environmental concerns with mineral exploitation, with ISA Secretary-General Leticia Carvalho expressing hope that a global consensus can be reached by the end of 2025.

Mining companies mobilize amid US critical minerals push

Mining and energy companies are moving swiftly to capitalize on the Trump administration’s push to expand domestic production of rare earths and other critical minerals.

MP Materials (NYSE:MP), the operator of the only active rare earths mine in the US, reported a surge in interest from manufacturers after China imposed new export restrictions. The company has halted shipments of unprocessed ore to China, citing steep tariffs, and is ramping up efforts to process materials domestically.

NioCorp Developments (NASDAQ:NB) has welcomed the White House’s call to streamline permitting, which coincides with its plans to accelerate its Nebraska-based Elk Creek critical minerals project.

In the lithium space, oil giants like ExxonMobil (NYSE:XOM) and Occidental Petroleum (NYSE:OXY) are clashing over production rights in Arkansas’ Smackover Formation, one of the country's richest potential lithium sources.

Exxon subsidiary Saltwerx recently won regulatory approval to develop a 56,000 acre lithium unit, a move it said could unlock the domestic industry and bolster US energy security.

At sea, The Metals Company (NASDAQ:TMC) is seeking permits under a decades-old US law to mine polymetallic nodules from the Pacific seabed, pointing to renewed political will.

Don't forget to follow us @INN_Resource for real-time news updates!

Securities Disclosure: I, Giann Liguid, hold no direct investment interest in any company mentioned in this article.

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Strategic Discovery of Deep-Seated High-Grade Rare Earths Confirmed at Ivigtût, Greenland

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Red "keep out" sign on a chainlink fence, evening backdrop.

Lindian Resources Flags Security Breach at Kangankunde Rare Earths Project

Lindian Resources (ASX:LIN,OTC Pink:LINIF) confirmed on Tuesday (April 22) that a trespassing incident took placeearlier in the week at its Kangankunde rare earths project in Malawi, Africa.

According to the company, a group of individuals was detained by authorities after entering the site without authorisation and attempting to collect geological samples without consent.

Included in the group were two Chinese nationals.

The matter is currently under investigation by local law enforcement and security agencies.

“Lindian considers this a serious breach of site security and a concerning act of industrial trespass, particularly given the strategic nature of the Kangankunde asset," the company said in a press release.

"The Company takes site safety and security extremely seriously, especially with pre construction works well underway, to find foreign nationals on an active unmapped haul road allegedly taking geological samples is concerning specifically with the current geopolitical nature of the rare earths market," Executive Chairman Robert Martin also noted.

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Wooden seesaw with "Good Deal" and "No Deal" blocks on each end.

ERG Denies Sale Talks After Reported US$5 Billion Buyout Offer from US Investor

US investor James Cameron has reportedly made a US$5 billion offer to acquire Eurasian Resources Group (ERG), a major Kazakhstan-backed mining company central to the country’s rare earths expansion

However, the company maintains that no sale discussions are taking place.

A letter reviewed in a Reuters exclusive shows that Cameron, a former chair of London-based miner Petropavlovsk, proposed the multibillion-dollar buyout as ERG prepares to play a leading role in Kazakhstan’s rare earths ambitions.

The offer comes as western governments increasingly look for alternatives to China’s dominance in the global supply of critical materials used in electronics, defense and clean energy technologies.

“The financing will come from a combination of my own funds, as well as equity contributions from other investors in the United States, and possibly Australia and the Middle East,” Cameron reportedly said in the letter to ERG's board.

Sources familiar with the matter say Goldman Sachs (NYSE:GS) is in early talks to advise on the proposed transaction.

Cameron, who shares a name with an unrelated acclaimed film director, has shown interest in Kazakhstan’s untapped rare earths deposits, coincidentally aligning with US efforts to secure its supply chain amid a deepening rift with Beijing.

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American Rare Earths Limited

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