Deep Sea Minerals enters CCZ: project model and timing explained for mine planners
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
Deep Sea Minerals (CNSX: SEAS), newly rebranded from Copperhead Resources, is seeking exploration licences in the Clarion-Clipperton Zone and the Cook Islands’ EEZ, backed by an oversubscribed C$4.22 million private placement and a fresh NOAA application under the US Deep Seabed Hard Mineral Resources Act. CEO James Deckelman plans an asset-light model, contracting vessels and nodule collection systems rather than owning hardware, with initial work targeted for late 2026–early 2027. The move challenges early CCZ mover The Metals Company, whose areas cover under 5% of the zone’s polymetallic nodule field.
Technical Brief
- NOAA application is lodged under the US Deep Seabed Hard Mineral Resources Act (DSHMRA) framework.
- Clarion-Clipperton Zone holdings of The Metals Company currently cover under 5% of the total nodule field.
- CCZ prospective area extends across “millions of square kilometres” of abyssal plain seabed with polymetallic nodules.
- Target commodities are nickel, cobalt, manganese and copper contained in unattached nodules lying on the ocean floor.
- Planned operating model contracts vessels, nodule collectors and offshore services from existing providers instead of owning hardware.
- Technology selection is ongoing, with multiple third-party nodule collection and sediment management systems under evaluation.
- A senior exploration executive with prior deep-sea mining experience is being recruited to lead technical work programmes.
- Environmental controls under consideration include more selective nodule pickup and plume-reduction strategies to limit benthic disturbance.
Our Take
Deep Sea Minerals’ NOAA application for polymetallic nodules in the Clarion-Clipperton Zone, noted in our 24 March 2026 coverage, positions it to compete directly with The Metals Company’s roughly 5% CCZ holdings rather than chasing fringe ground, which could compress the first-mover advantage TMC has been banking on.
Regulatory changes under the Deep Seabed Hard Mineral Resources Act highlighted in our January 2026 article—merging exploration and commercial recovery steps under NOAA—mean that Deep Sea Minerals and TMC are effectively racing not just for CCZ tenure but for the first fully permitted US-aligned production window around the late‑2026/early‑2027 horizon mentioned here.
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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