Friday, April 10, 2015

Get ready for an explosion of mining on the ocean floor

Source: VICE

De Beers Marine has been dredging for diamonds off the coast of Namibia at depths of around 400 feet for a decade — and at shallower depths for longer than that. An enormous 280-tonne "crawler" on tracks is deployed off the side of a ship where it sucks up diamond-rich material off the seabed. It's just like an M1 tank. Except four times the size. And underwater ...
Next up will probably be Nautilus Minerals' Solwara-1 project in Papua New Guinea, which will use similarly massive seabed cutters and collectors to extract copper-gold ore from mineral-rich volcanic vents 5,000 feet down

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