美国关键矿物清单“扩容”，拟新增铜、硅、银、钾等六种矿物

Core Points - The U.S. Department of the Interior has proposed adding six minerals, including copper, silicon, silver, and potassium, to the 2025 critical minerals list, emphasizing their importance for the U.S. economy and national security [1][3][4] - The proposal aims to reduce U.S. dependence on imports and expand domestic production, coinciding with a rise in electricity demand driven by data centers and artificial intelligence [3][4] - The critical minerals list is typically updated every three years, and the inclusion of these minerals will provide various policy advantages, such as federal funding support and streamlined permitting processes [4] Summary by Category Proposed Additions - The six minerals proposed for addition are copper, potassium, silicon, silver, lead, and rhenium, which are deemed strategically significant for economic development and national security [4] - Copper is highlighted for its essential role in electrical networks, transportation, and defense, while potassium is crucial for fertilizer production and agricultural safety [4] Exclusions and Public Feedback - Metallurgical coal and uranium, despite earlier considerations for inclusion, were not added to the list, although public feedback is welcomed during the 30-day comment period [5][6] - Arsenic and tellurium are recommended for removal from the critical minerals list [6] Policy Implications - Resources included in the critical minerals list will benefit from federal funding, simplified permitting processes, and enhanced competitiveness for domestic companies due to import tariffs [4]