Minor Element Composition of Ferromanganese Nodules

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Science  07 Jul 1967:
Vol. 157, Issue 3784, pp. 63-65
DOI: 10.1126/science.157.3784.63


Mineralogical and chemical analyses performed on 67 ferromanganese nodules from widely varying locations and depths within the marine environment indicate that the minor element composition is controlled by the mineralogy, and that the formation of the mineral phases is depth dependent.