美国本想拉巴西挖稀土摆脱中国，结果特朗普来了

Core Insights - The article discusses the strategic importance of rare earth metals for the U.S. and highlights the challenges posed by China's export controls on these resources [1][4] - The potential alliance between the U.S. and Brazil for rare earth development is jeopardized by recent trade tensions and tariffs imposed by the Trump administration [2][9] Group 1: U.S.-Brazil Relations - The U.S. has imposed a 40% tariff on Brazil, raising the total tariff to 50%, despite having a trade surplus of $18.3 billion with Brazil in 2024, the highest in nearly a decade [2] - Brazil's President Lula has expressed strong opposition to U.S. interference in its internal affairs, particularly regarding the investigation of former President Bolsonaro [2][4] - The diplomatic crisis between the U.S. and Brazil may undermine efforts to collaborate on rare earth resource development, which could benefit both nations [1][4] Group 2: Rare Earth Resources - Brazil possesses approximately 21 million tons of rare earth reserves, second only to China, and is estimated to hold over ten times the reserves of the U.S. [1] - Despite its significant reserves, Brazil's current rare earth production is minimal, with only one U.S.-invested mine operating [5][6] - The U.S. Department of Defense has invested $400 million in MP Materials, the largest rare earth producer in the U.S., to reduce dependence on China [5] Group 3: Future Prospects - Brazil aims to establish a domestic supply chain for rare earths, including mining, processing, and manufacturing facilities, with U.S. support being crucial for achieving this goal [5][6] - The Serra Verde Group, Brazil's first large-scale rare earth mine, has begun production and is included in the U.S. government's "Mineral Security Partnership" [6] - Brazil is exploring partnerships with other countries, such as India, to develop its rare earth reserves, indicating a shift away from reliance on U.S. collaboration [4][9]