Deep Sea Minerals - Vol 2 - Manganese Nodules

Concentration of nickel and other metals of potential economic importance in deep sea nodules

Nickel

Copper

Cobalt

Rare Earth Elements

Molybdenum

Lithium

Yttrium

Grams per tonne

13 000

4 000

1 000

100

Clarion-Clipperton Zone nodules

Cook Island nodules

Indian Ocean nodules

1 tonne

Note: the area of the squares is proportional to the grams per tonne value for each mineral. For comparison purposes, the area of the entire page represents proportionally one tonne.

Source:modi ed fromHeinandKoschinski,2012

Figure 9. Concentrations of metals other than iron and manganese. Concentrations are shown in gm/t in nodules from three different nod- ule regions. For iron and manganese, see Figure 8.

MANGANESE NODULES 14