钠离子对于海洋成因10Å-水锰矿结构稳定性的影响

姜学钧; 姚德; 林学辉

Volume 34 Issue 3

May 2009

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JIANG Xue-jun, YAO De, LIN Xue-hui, 2009. Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates. Earth Science, 34(3): 392-398.

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JIANG Xue-jun, YAO De, LIN Xue-hui, 2009. Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates. Earth Science, 34(3): 392-398.

JIANG Xue-jun, YAO De, LIN Xue-hui, 2009. Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates. Earth Science, 34(3): 392-398.

Citation:

JIANG Xue-jun, YAO De, LIN Xue-hui, 2009. Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates. Earth Science, 34(3): 392-398.

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Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates

JIANG Xue-jun^{1, 2
,},
YAO De^{3, 4},
LIN Xue-hui^{1, 2}

1.
Key Laboratory of Marine Oil and Gas Resources and Marine Environment, the Ministry of Land and Resources, Qingdao 266071, China
2.
Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, China
3.
College of Environment and Resources, Shandong University of Technology, Zibo 255049, China
4.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 2008-12-01
Publish Date: 2009-05-25

Abstract

Abstract

The 10Å-manganate is main mineral component of the marine diagenetic nodule and terraneous manganese. The previous study has poved that the transition metals—copper, nickel paly an improtant role in the stability of 10Å-manganates. However, the geochemical behavior of sodium ions is seldom invovled in the previous researches. The role of sodium ions on the stability of 10Å-manganates was investigated in terms of the selective dissolution experiments and adsorption experiments as well as crystal chemistry and mineralogy by using the marine diagenetic nodule recovered near the equatorial East Pacific. Sodium ions in 10Å-manganates can be extracted by weak acidic and 10Å-manganates transform into 7Å-manganates. On the other hand, crystallinity of the samples whose sodium ions were extracted turned better and some non-10Å-manganates phases turned into 10Å-manganates through the uptake of sodium. The destructive structure of 10Å-manganates can't recover thoroughly from the uptake of sodium ions under natural conditions. Sodium ions play an important role in the stability of 10Å-manganates of marine diagenetic nodule.
- marine diagenetic nodule,
- 10Å-manganates,
- sodium ion,
- crystal structure,
- stability

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References

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Role of Sodium Ion on Stability of the Crystal Structure of Marine 10Å-Manganates

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