Where Deep‑Sea Mining Is Popular
Overview
Deep‑sea mining is not yet commercial, but several regions and countries are aggressively pursuing exploration. The most active areas are in the Pacific Ocean, especially in international waters regulated by the International Seabed Authority (ISA). Interest is driven by demand for nickel, cobalt, copper, manganese, and rare earth elements.
1. Clarion‑Clipperton Zone (CCZ) — Pacific Ocean
This is the world’s most active and most studied deep‑sea mining region.
- Located between Hawaii and Mexico
- Contains billions of tons of polymetallic nodules
- Rich in nickel, cobalt, copper, manganese
- Dozens of exploration licenses issued by the ISA
Countries and companies exploring here include:
- Nauru
- Kiribati
- Tonga
- China
- Japan
- South Korea
- France
- Germany
- UK‑affiliated companies
The CCZ is the global epicenter of deep‑sea mining interest.
2. Cook Islands (South Pacific)
The Cook Islands government is one of the most supportive of deep‑sea mining.
- Actively exploring cobalt‑rich nodules
- Issued multiple exploration licenses
- Sees seabed minerals as a major economic opportunity
The region is rich in battery metals.
3. Japan
Japan is one of the few countries that has successfully tested deep‑sea mining in its own waters.
- Conducted pilot extraction of seafloor massive sulfides
- Focused on rare earth elements and copper‑zinc‑gold deposits
- Strong government backing
Japan is a technological leader in the field.
4. China
China is one of the most aggressive nations in deep‑sea exploration.
- Holds multiple ISA exploration licenses
- Investing heavily in seabed mining technology
- Focused on polymetallic nodules and sulfides
China sees deep‑sea mining as strategic for battery‑metal supply.
5. Norway (Norwegian Sea)
Norway is the first Western country to formally open parts of its seabed for potential mining.
- Targeting cobalt, copper, rare earths
- Exploration approved in 2024
- Strong government interest in domestic mineral supply
Norway is Europe’s most pro‑deep‑sea‑mining nation.
6. Papua New Guinea (PNG) — Historically
PNG was once a major supporter of deep‑sea mining (Solwara 1 project), but:
- The project collapsed
- Public opposition grew
- Government paused further development
Still important historically.
7. Tonga, Kiribati, and Nauru
These Pacific Island nations are heavily involved because:
- They sponsor companies for ISA licenses
- They see seabed minerals as economic opportunity
- They are located near the CCZ
They are politically influential in the deep‑sea mining debate.
Regions With Strong Opposition
Some countries oppose deep‑sea mining entirely:
- France
- Germany
- New Zealand
- Canada
- Chile
These nations support a moratorium until more research is done.
Summary Table
| Region / Country | Level of Activity | Focus |
|---|---|---|
| Clarion‑Clipperton Zone (Pacific) | Very High | Polymetallic nodules |
| Cook Islands | High | Cobalt‑rich nodules |
| Japan | High | Sulfides, rare earths |
| China | High | Nodules, sulfides |
| Norway | High | Cobalt, copper, REEs |
| Tonga / Kiribati / Nauru | High | ISA‑sponsored exploration |
| Papua New Guinea | Moderate (historical) | Sulfides |
Sources Used
- International Seabed Authority (ISA) — Exploration contracts and global seabed regions
- United Nations Environment Programme (UNEP) — Deep‑sea mining environmental assessments
- International Energy Agency (IEA) —
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