Nautilus produces clean high-grade copper from PNG seafloor

Nautilus Minerals has announced it has been able to produce clean high-grade copper concentrate from its sea-floor site in Papua New Guinea. Nautilus is hoping to become the first company in the world to begin commercial mining of the sea-bed and is moving ahead fast in other Pacific Island countires with exploration well underway in Tonga, and licence applications lodged in Fiji and Solomon Islands....more at Radio Australia

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