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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 ...