Todorokite formation in seawater by microbial mediation |
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| Authors: | Noburu Takematsu Hiroo Kusakabe Yoshio Sato Shiro Okabe |
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| Institution: | (1) The Institute of Physical and Chemical Research, 351-01 Wako-shi, Saitama, Japan;(2) The Faculty of Marine Science and Technology, Tokai University, 424 Shimizu-shi, Shizuoka, Japan |
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| Abstract: | Microbial manganese oxidation in seawater was carried out in enrichment cultures which were obtained from the seawater supply system at the Marine Science Museum, Tokai University (Shimizu-shi, Japan). The manganese oxide formed was well-crystallized todorokite. The major element composition was within the range of marine manganese concretions and the O/Mn molar ratio was 1.8. The conditions for formation of manganese oxide minerals in marine environments are discussed on the basis of these results. |
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