The fractal evolution of iron and manganese of polymetallic nodules from the Pacific Ocean and its significance

HAN Xi-qiu; LI Jia-biao; WANG Ying; ZHANG Wei-yan; MA Wei-lin; HE Gao-wen

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Article Navigation > Haiyang Xuebao > 2004 > 26(4): 65-70

HAN Xi-qiu, LI Jia-biao, WANG Ying, ZHANG Wei-yan, MA Wei-lin, HE Gao-wen. The fractal evolution of iron and manganese of polymetallic nodules from the Pacific Ocean and its significance[J]. Haiyang Xuebao, 2004, 26(4): 65-70.

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The fractal evolution of iron and manganese of polymetallic nodules from the Pacific Ocean and its significance

1.
Key Laboratory of Submarine Geosciences of State Oceanic Administration, Hangzhou 310012, China;Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
2.
Key Laboratory of Submarine Geosciences of State Oceanic Administration, Hangzhou 310012, China
3.
Guangzhou Marine Geological Survey, Guangzhou 510760, China

Received Date: 2000-05-24
Rev Recd Date: 2003-09-22

Abstract

Abstract

The fractal evolution processes of geochemistrical series of the polymetallic no dule Sample 1783 are studied through computing their correlation dimensions in different embedding spaces.The results are compared with those obtained from the deep-sea sediment Core 1787.It is revealed that there are fractal attractors in the geochemistrical series of both the nodule and the sediment core,the Fe₂O₃ and MnO in sediment core can be descr ibed with 3 variables,which probably are volcanic,biogenic and terrestrial sources.However,it needs at least 14 variables to describe Fe and Mn in polymetallic nodules,which implies that the sources and/or existence of these elements in nodule are very complicated,at least 14 factors affecting,and complicated biochemical processes probably have taken place during the for mation of nodules.So the studies of the fractal evolution of Fe and Mn in polymetallic nodules may provide indirect mathematic evidence for the biogenic origin of nodules,and also give the rhythmic micro-structure of nodules a reaso nable explanation.
- Pacific Ocean,
- polymetallic nodules,
- time series of elements,
- correlation dimension,
- fractal

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References(14)

References

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