MANGANESE NODULES
14
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.
Nickel
Copper
Lithium
Rare Earth
Elements
Molybdenum
Cobalt
Yttrium
Source:modi ed fromHeinandKoschinski,2012
Clarion-Clipperton
Zone nodules
Indian Ocean
nodules
Cook Island
nodules
Concentration of nickel and other metals of potential economic importance in deep sea nodules
13 000
1 tonne
Grams per tonne
4 000
1 000
100
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.
