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Mineralium Deposita

, Volume 11, Issue 3, pp 267–277 | Cite as

On some relationships between the oxide layers and the cores of deep sea manganese nodules

  • C. Lalou
  • E. Brichet
Article

Abstract

Some manganese nodules from the Atlantic, Pacific and Indian Ocean have been studied. The structural study with Scanning Electron Microscope (SEM) as well as the mineralogical studies or leaching experiments show that the oxide layer is supported by a frame of material derived from the core, being amorphous silica when the core is made of silicates, and calcium phosphate when the core is made of calcium phosphate.

It is to be concluded that, for these nodules, the most probable origin is a volcanic origin.

Keywords

Oxide Calcium Phosphate Nodule Electron Microscope 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • C. Lalou
    • 1
  • E. Brichet
    • 1
  1. 1.Centre des Faibles Radioactivités Laboratoire mixte CNRS-CEAGif sur YvetteFrance

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