Federal officials proposed expanding America’s strategic minerals inventory Monday, recommending silver and five other materials for critical designation amid growing concerns over foreign supply dependencies.
The Interior Department’s draft revision would identify 54 mineral commodities as strategically vital, representing the largest proposed expansion since the program’s 2018 launch. Previously excluded materials like silver, copper, and silicon are recommended for priority status, while arsenic and tellurium would be dropped.
Interior Secretary Doug Burgum emphasized the strategic importance of the update, noting that “strengthening America’s economic and national security means securing the resources that fuel our way of life.”
Silver’s proposed inclusion stems from vulnerability risks tied to Mexican production, where potential disruptions could significantly impact US supply chains. The metal serves essential functions in electronics manufacturing, renewable energy infrastructure, and medical devices.
Copper’s addition reflects its expanding role in America’s energy transition, powering electric vehicle networks and renewable energy systems. Silicon supports the semiconductor industry, while potash remains vital for agricultural fertilizer production.
Federal researchers analyzed more than 1,200 potential trade disruption scenarios to inform the recommendations. Their economic modeling examined how shortages might ripple through hundreds of industry sectors, from technology manufacturing to defense production.
The minerals sector generated more than $4 trillion in US economic activity last year, according to geological survey data. Supply disruptions could cascade through interconnected industries, potentially affecting everything from smartphone production to military equipment manufacturing.
China’s dominance in processing many strategic materials continues to drive American policy priorities. Officials seek to diversify supply sources through partnerships with producers in Africa, Latin America, and Southeast Asia.
The proposed designation launches a month-long public review period that closes September 25 before final adoption. Federal agencies are also weighing whether to include metallurgical coal and uranium, currently classified outside the minerals program.
The proposed strategic designation caps a remarkable month for silver markets. The Saudi Central Bank reportedly took a significant position in the iShares Silver Trust (SLV) ETF on August 14, representing an unprecedented move by a central bank to gain silver exposure through an exchange-traded fund. The Saudi Arabian Monetary Authority manages over $700 billion in foreign holdings but has not publicly disclosed the size of its silver position.
Read: Saudi Central Bank Reportedly Takes Historic Stake in Silver ETF
Russia has also announced plans to buy silver for its State Reserve Fund between 2025 and 2027, signaling growing international recognition of silver’s strategic value beyond its traditional industrial applications.
The draft recommendations could still change based on public input and technical review by the US Geological Survey. No timeline has been announced for publishing the final 2025 list, though it’s expected to follow the comment period.
Strategic mineral designations influence federal spending priorities, permitting processes, and international trade policies. The classifications also guide domestic mining investments and stockpiling decisions as Washington works to reduce foreign dependencies.
Congress mandated regular reviews of strategic minerals inventories following supply chain vulnerabilities exposed during recent global disruptions. The program originated under a 2017 presidential directive targeting mineral supply security.
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