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Study of the permeability in melting zone of South China Sea based on percolation theory
Wan, Ju-ying; Xu, He-hua; Li, Yan-zhen; Shu, Wei-bing; wanjy@scsio.ac.cn; xhhcn@scsio.ac.cn
2015
Source PublicationMARINE GEOPHYSICAL RESEARCH
Volume36Issue:2-3Pages:139-147
Subtype0025-3235
AbstractOceanic crust is formed at mid-ocean ridges. The melting zone extends up to several hundreds of km laterally, the upwelling area at the spreading axis is confined to a narrow belt of only 2-3 km width. Whereas the parameter of permeability that magma ascending from the mantle beneath mid-ocean ridges is still poorly understood, despite the important role of the process for the formation of crust. Based on continuum percolation, we build the random fracture network as magma migration channels of South China Sea; with momentum equation, we deduced the dynamic pressure distribution with passive corner flow. After which, the permeability of melting zone is calculated with finite element method. Numerical simulation results indicate that there exists a power law relationship between the permeability and magma migration channels. The simulated result is consistent with that calculated by fractal method. The discovery of the ruler provides sound theoretical basis for the formation and evolution of oceanic crust, and may help us better understanding the formation and evolution of South China Sea.
Department[Wan, Ju-ying; Xu, He-hua; Li, Yan-zhen; Shu, Wei-bing] Univ Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Chinese Acad Sci, Guangzhou 510301, Guangdong, Peoples R China; [Wan, Ju-ying; Li, Yan-zhen; Shu, Wei-bing] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; LTO
KeywordMagma Migration Oceanic Crust Rising Divergent Mantle Flow Percolation Method Permeability
Subject AreaGeochemistry & Geophysics ; Oceanography
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15041
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorwanjy@scsio.ac.cn; xhhcn@scsio.ac.cn
Recommended Citation
GB/T 7714
Wan, Ju-ying,Xu, He-hua,Li, Yan-zhen,et al. Study of the permeability in melting zone of South China Sea based on percolation theory[J]. MARINE GEOPHYSICAL RESEARCH,2015,36(2-3):139-147.
APA Wan, Ju-ying,Xu, He-hua,Li, Yan-zhen,Shu, Wei-bing,wanjy@scsio.ac.cn,&xhhcn@scsio.ac.cn.(2015).Study of the permeability in melting zone of South China Sea based on percolation theory.MARINE GEOPHYSICAL RESEARCH,36(2-3),139-147.
MLA Wan, Ju-ying,et al."Study of the permeability in melting zone of South China Sea based on percolation theory".MARINE GEOPHYSICAL RESEARCH 36.2-3(2015):139-147.
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