Deep Sea Minerals’ NOAA compliance: project and risk takeaways for mine planners
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
Deep Sea Minerals has secured a “substantial compliance” determination from NOAA under the US Deep Seabed Hard Mineral Resources Act, advancing its application to explore polymetallic nodules in international waters. The proposed concession covers about 150,000 km² of the Pacific Ocean, targeting nodules containing nickel, cobalt, copper and manganese for electrification, energy and defence supply chains. The company says this makes it one of only three publicly traded or public-market pathway firms to reach this stage in NOAA’s DSHMRA regulatory process, as the agency moves to accelerate licence reviews.
Technical Brief
- NOAA’s “substantial compliance” finding confirms Deep Sea Minerals’ DSHMRA application is technically complete for review.
- Concession geometry is defined purely by geographic coordinates, implying large, block‑style offshore exploration parcels.
- NOAA’s remit covers both exploration and commercial recovery, so environmental baseline and impact data requirements will be extensive.
- Polymetallic nodules targeted contain nickel, cobalt, copper and manganese, directly aligned with US critical mineral priorities.
- Deep Sea Minerals is one of only three public‑market pathway entities to clear this DSHMRA compliance stage.
- NOAA’s commitment to “without undue delays” reviews suggests shorter regulatory lead times for future deep‑sea projects.
Our Take
Deep Sea Minerals’ NOAA compliance determination under the DSHMRA process, with only three public-market pathway companies reaching this stage per our database, effectively puts it in the same regulatory peer set as The Metals Company and Odyssey Marine Exploration noted in the 29 May 2026 piece, which can matter for how US investors benchmark seabed nodule plays in nickel, cobalt and manganese.
The March application timing aligns with NOAA’s post-overhaul regime described in the 21 January 2026 article, meaning Deep Sea Minerals is progressing under the streamlined single-permit framework rather than the legacy two-step system, which can shorten lead times from exploration to potential commercial recovery in US-sponsored Pacific Ocean tracts.
Within our 83 keyword-matched nickel/cobalt items, relatively few involve Mexico and Central America or Pacific Ocean deep-sea assets, so this NOAA compliance step for Deep Sea Minerals gives the US a more visible Pacific critical-minerals option alongside ISA-focused players, potentially influencing how OEMs and refiners think about future non-terrestrial supply diversification.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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