U.S. Will Auction Pacific Seafloor for Mining
The federal government plans to lease millions of acres near Pacific territories to secure minerals for new technology.
Updated on Sept. 21, 2026 in National Parks
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In November 2026, the federal government will initiate auctions for massive seafloor areas around American Samoa and the Mariana Islands. These leases aim to bolster domestic mineral supplies for military and battery production, though the move faces significant legal opposition.
Why it matters
The administration intends to counter China's dominance in the global mineral supply chain by securing resources necessary for critical military technologies. Conservation groups are contesting these plans, arguing that such mining poses a severe threat to protected marine life.
The federal plan encompasses 31 million acres of seafloor near American Samoa and 67 million acres surrounding the Mariana Islands. Approximately half of the proposed Mariana Islands site is situated directly along the border of a national marine monument.
The players
Marine Minerals Administration
This federal agency is responsible for overseeing the auction of seafloor access for mining activities.
Earthjustice
This non-profit public interest law organization focuses on environmental protection and litigation.
Lou Leon Guerrero
She is the Governor of Guam and has expressed concern over the lack of communication regarding federal plans.
The details
Earthjustice has filed lawsuits on behalf of conservation groups, citing potential harm to endangered species and utilizing the Endangered Species Act to challenge the auctions. Meanwhile, local leaders like Guam Governor Lou Leon Guerrero reportedly first learned of the expansive mining intentions through media reports rather than direct federal consultation.
Timeline
In November 2026, the administration will begin the process for these mining auctions.
The auction for 31 million acres of seafloor near American Samoa is set for mid-November 2026.
A separate auction for 67 million acres near the Mariana Islands is scheduled for December 2026.
Travel Outlook
The legal challenge against the seafloor mining auctions is built directly upon the protections established by the Endangered Species Act. This sets a precedent for how federal resource extraction projects must reconcile industrial mineral demand with existing environmental mandates.
Travelers and locals should monitor the status of the affected marine areas, as mining operations could disrupt access to protected regions. Those planning visits to the Mariana Islands or American Samoa should stay informed on how potential long-term infrastructure shifts might affect local ecological conditions.
The takeaway
This conflict highlights the ongoing tension between national security efforts to secure mineral resources and the preservation of protected marine environments. Readers should remain aware of how federal resource policies can impact ecological safety in remote territorial waters.
What happens next
The administration will conduct the American Samoa auction in mid-November 2026, followed by the Mariana Islands auction in December 2026.
Further reading
For context on the balance between conservation and development, visit the National Parks section.
Source note: This article includes information reported by RocketNews.
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Should the federal government have final authority over mining activities in U.S. territorial waters?
