Article : texte imprimé

The chemistry of manganese ores through time : a signal of increasing diversity of earth-surface environments

J. Barry Maynard, Auteur |

Dans Economic geology (Vol. 105 N° 3, Mai 2010)

Almost all economic manganese ores are ultimately or directly derived from hydrothermal vents associated with intermediate volcanic rocks. This source is in contrast to deep-sea nodules, which likely have a larger component of sediment-derived m[...]

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