USA Rare Earth (Nasdaq: USAR) agreed in April 2026 to acquire Serra Verde Group — operator of the only brazil rare earth mine in the Western Hemisphere producing all four magnetic rare earth elements — for approximately $2.8 billion, signalling a structural shift in how Western governments and capital markets are approaching supply chain diversification away from China.
Brazil Rare Earth Reserves and Geology
Brazil holds 21 million tonnes of rare earth reserves, the second largest confirmed national inventory globally behind China’s 44 million tonnes, according to the USGS Mineral Resources Program. Deposits are concentrated across three states: Goiás, Minas Gerais, and Bahia.
The dominant deposit type is ionic clay — the same geology responsible for southern China’s heavy rare earth (HREE) dominance. Ionic clay deposits naturally concentrate the highest-value magnet metals: dysprosium and terbium, both critical for high-performance NdFeB permanent magnets used in EV motors and wind turbines. Unlike hard rock carbonatite deposits, which tend to be light rare earth (LREE) dominant, ionic clay systems deliver the HREE basket that Western supply chains most urgently need.
Brazil’s ionic clay geology had remained largely undeveloped until Serra Verde brought its Pela Ema project into commercial production in 2024. That milestone established Brazil as the only country outside Asia operating an ionic clay rare earth mine at scale.
Serra Verde — Brazil’s Only Operating Rare Earth Mine
Serra Verde’s Pela Ema mine, located in Goiás state, reached commercial production in early 2024 following $1.1 billion in capital investment. Current output runs at approximately 4,000–5,000 tonnes of total rare earth oxides (TREO) per year, with a target of 6,500 tonnes TREO annually by end-2027. The mine’s stated life is 25 years.
Pela Ema is the first ionic clay rare earth operation in the Western Hemisphere. Its product basket covers all four magnetic rare earths — neodymium (Nd), praseodymium (Pr), dysprosium (Dy), and terbium (Tb) — making Serra Verde the only producer outside Asia offering that full complement in a single operation. For procurement teams managing NdFeB magnet supply chains, that breadth matters: sourcing all four elements from a single non-Chinese supplier reduces logistical and geopolitical exposure significantly.
One constraint remains in place until end-2026: Serra Verde’s concentrate is currently shipped to China for separation under a processing arrangement that was renegotiated from its original 10-year term. That arrangement expires at end-2026, after which output is expected to be directed toward Western separation capacity.
Full operational detail and the acquisition terms are covered in the USA Rare Earth / Serra Verde acquisition article.
USA Rare Earth Acquisition — Deal Terms and Strategic Implications
The acquisition, announced 20 April 2026, values Serra Verde Group at approximately $2.8 billion — structured as $300 million cash plus 126.849 million new USAR shares priced at $19.95 per share as of 17 April 2026. The deal is expected to close in Q3 2026, subject to regulatory approvals. Vision Blue Resources, an existing Serra Verde shareholder, retains approximately 34% of the combined company.
Financing is anchored by a $565 million commitment from the US International Development Finance Corporation (DFC), which fully funds Serra Verde’s expansion to positive cash flow. The offtake structure is a 15-year agreement with a US government-linked special purpose vehicle (SPV) covering 100% of Phase 1 output, with price floors set at NdPr $110/kg, dysprosium $575/kg, and terbium $2,050/kg — with 70% upside participation above those floors.
Management projects Serra Verde to reach $550–$650 million in annualised EBITDA by end-2027, assuming full separated oxide sales. The combined USA Rare Earth entity targets approximately $1.8 billion EBITDA by 2030. Both figures are management forecasts, not confirmed results, and are subject to production ramp, oxide price assumptions, and separation capacity coming online on schedule.
Brazilian President Lula’s government has consistently maintained that added value from the country’s rare earth resources must remain in Brazil. No formal US-Brazil critical minerals agreement has been signed as of May 2026. The DFC financing structure — which funds Brazilian extraction while separation infrastructure is being built in the United States — sits in direct tension with that policy position. How that tension resolves will influence the long-term operational and regulatory environment for all projects in the country. The USA Rare Earth company profile covers the acquirer’s broader asset base and strategic direction.
Brazil Rare Earth Projects in the Pipeline
Aclara Resources (TSX: ARA) is developing the Carina project in Nova Roma, Goiás — an ionic clay deposit with NI 43-101 probable reserves of 165.4 million tonnes at 1,723 ppm TREO. Projected annual output at steady state is approximately 4,265 tonnes TREO, including around 191 tonnes of dysprosium and terbium combined — equivalent to roughly 13% of China’s 2023 official Dy/Tb production. Aclara submitted its environmental impact assessment (EIA) to Goiás state authorities (SEMAD) in May 2025 under Brazil’s new IPE licensing system; approval was targeted for Q1 2026 but had not been publicly confirmed as of May 2026. The feasibility study is targeted for Q2 2026, with commercial production aimed at end-2028. Aclara is 57% owned by the Hochschild Group and is separately planning a dedicated HREE separation plant in Louisiana to process Brazilian and Chilean feedstock.
Three earlier-stage projects round out the brazil rare earth pipeline. Meteoric Resources (ASX: MEI) is advancing the Caldeira ionic clay project in Minas Gerais, currently at pre-feasibility stage. Brazilian Rare Earths is drilling hard rock and ionic clay targets near Jequié, Bahia, with mineralisation grades above 30% TREO reported in select intervals. Bemisa is evaluating the Bambuí carbonatite project in Minas Gerais — a large-scale hard rock target at early stage. For context on how these projects compare within the global development pipeline, see the Top 10 Rare Earth Mining Projects ranking.
Policy, Investment, and the Processing Gap
Brazil’s national rare earth programme, run through state development bank BNDES and innovation agency Finep, has deployed approximately $1 billion in support, attracting 124 project proposals with a combined stated value of $15 billion. The scale of interest reflects both the country’s reserve base and the favourable ionic clay geology — but the programme has not yet produced a domestic separation facility.
Brazil’s rare earth exports tripled in the first half of 2025, driven by Serra Verde’s production ramp. The volume growth is real; the value capture is not yet staying in Brazil. Serra Verde concentrate flows to China for separation, and Aclara’s planned separation plant is in Louisiana. The Lula government’s value-add position is a stated priority — but without a domestic refinery, Brazil is currently supplying feedstock rather than finished oxide.
That processing gap is the central policy and commercial question for the industry’s next phase. DFC capital is flowing to Brazilian deposits precisely because of the HREE geology, but the refining infrastructure that would convert those deposits into strategic leverage for Brazil is being built elsewhere. Whether a separation plant eventually lands in Brazil — incentivised by government mandate, commercial logic, or both — will determine how much of the value chain the country ultimately captures. The broader supply chain context is covered in the Rare Earth Supply Chain Geopolitics 2026 analysis.
Brazil’s rare earth industry has moved past proof-of-concept. Serra Verde is producing, the USA Rare Earth acquisition brings US government-backed capital and an offtake floor, and Aclara is advancing toward a final investment decision. The processing gap remains the unresolved variable — and the answer to that question will define Brazil’s long-term position in the global rare earth supply chain.
How large are Brazil’s rare earth reserves?
Brazil holds 21 million tonnes of confirmed rare earth reserves, the second largest national inventory globally behind China’s 44 million tonnes, according to the USGS. Deposits are concentrated in Goiás, Minas Gerais, and Bahia states, primarily in ionic clay formations that are rich in high-value heavy rare earths including dysprosium and terbium.
What rare earth elements does Brazil produce?
Serra Verde’s Pela Ema mine in Goiás currently produces all four magnetic rare earth elements: neodymium (Nd), praseodymium (Pr), dysprosium (Dy), and terbium (Tb). It is the only operation outside Asia producing this full magnetic rare earth basket from a single site, at approximately 4,000–5,000 tonnes TREO per year as of 2026.
Who owns the Serra Verde rare earth mine in Brazil?
USA Rare Earth (Nasdaq: USAR) agreed to acquire Serra Verde Group for approximately $2.8 billion in April 2026, with the deal expected to close in Q3 2026 subject to regulatory approval. Prior to the acquisition, Serra Verde was privately held with Vision Blue Resources as a significant shareholder; Vision Blue retains approximately 34% of the combined company post-close.
What other rare earth projects are developing in Brazil?
Aclara Resources (TSX: ARA) is the most advanced, with its Carina ionic clay project in Nova Roma, Goiás targeting 4,265 tonnes TREO per year and commercial production by end-2028, pending EIA approval. Meteoric Resources (ASX: MEI) is advancing the Caldeira project in Minas Gerais at pre-feasibility stage. Brazilian Rare Earths is drilling ionic clay and hard rock targets in Bahia, and Bemisa is evaluating the Bambuí carbonatite in Minas Gerais.
Does Brazil refine rare earths domestically?
No domestic rare earth separation plant is currently operating in Brazil. Serra Verde’s concentrate is shipped to China for separation under an arrangement expiring at end-2026. Aclara is planning a dedicated heavy rare earth separation plant in Louisiana, USA, to process feedstock from its Brazilian and Chilean projects. The Brazilian government has stated a preference for domestic value-add processing, but no separation facility has been confirmed for construction within Brazil as of May 2026.
