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Classification and inter-element relationships of ferromanganese nodules from the Central Indian Ocean Basin
(1987)
The chemical composition of polymetallic nodule samples from 180 locations in the Central Indian Ocean Basin based on 600 chemical analyses has been investigated. These nodules contain a Mn/Fe ratio varying from 0.96 to ...
Mineralogy of polymetallic nodules and associated sediments from the Central Indian Ocean Basin
(Elsevier, 1987)
Todorokite is the dominant mineral phase in the nodules of the northern Central Indian Ocean Basin. These nodules are characterised by a rough surface texture, are relatively rich in Mn, Cu and Ni, and are associated with ...