Manganknollen vom Meeresgrund - Goldrausch im Pazifik (2015)

- Manganknollen vom Meeresgrund - Goldrausch im Pazifik (Manganknollen vom Meeresgrund - Goldrausch im Pazifik)

Manganese nodules do look like carbonized cauliflower and are supposed to be the new source of iron for our technologised society. But them lying on the floor of the pacific, approximately four kilometers deep, poses a big problem.


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