Crystalline Todorokite Associated with Biogenic Debris in Manganese Nodules
- 14 January 1983
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 219 (4581) , 172-174
- https://doi.org/10.1126/science.219.4581.172
Abstract
Platy intergrowths of crystalline todorokite are associated with biogenic debris in the cores of manganese nodules from a site in the Pacific Ocean. Analyses by electron diffraction and transmission electron microscopy demonstrate that this material is composed of tunnels of chains of linked MnO 6 octahedra. The chemical composition, morphology, and stability of the todorokite differ from those of nickel- and copper-rich manganese oxides in nodules that have been identified as todorokite or buserite in earlier investigations.Keywords
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