Definition of manganese nodule in English:

manganese nodule

Line breaks: man¦ga|nese nod¦ule


  • A small concretion consisting of manganese and iron oxides, occurring in large numbers in ocean-floor sediment.
    More example sentences
    • Crusts of iron-manganese oxides and manganese nodules occur, particularly in red clays.
    • A co-occurrence of these two species is known from only one locality, where they were collected from manganese nodules immediately above the Grimmeri Bed.
    • But as Challenger approached the West Indies the crew encountered a phenomenon that dwarfed in importance even the discovery of manganese nodules.

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