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Ferro-manganese encrustation on the tympanic bulla of a minke whale from Central Indian Ocean Basin
(CSIR-NISCAIR, 1987)
Ear bone of a minke whale (Balaenoptera acutorostrata) was collected from 5200 m water depth with thin coating of Fe-Mn oxide on its surface. The Fe-Mn coating material was similar in nature and ratios Mn/Fe and Cu + Ni/Co ...
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 ...