Some Remarks on the Electrical Conductivity of Hydrous Silicate Minerals in the Earth Crust, Upper Mantle and Subduction Zone at High Temperatures and High Pressures

被引:8
作者
Hu, Haiying [1 ]
Dai, Lidong [1 ]
Sun, Wenqing [1 ]
Zhuang, Yukai [2 ]
Liu, Kaixiang [3 ]
Yang, Linfei [4 ]
Pu, Chang [5 ]
Hong, Meiling [1 ]
Wang, Mengqi [1 ]
Hu, Ziming [1 ]
Jing, Chenxin [1 ]
Li, Chuang [1 ]
Yin, Chuanyu [1 ]
Paramasivam, Sivaprakash [6 ]
机构
[1] Chinese Acad Sci, Inst Geochem, Key Lab High Temp & High Pressure Study Earths In, Guiyang 550081, Peoples R China
[2] Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China
[3] Guizhou Minzu Univ, Coll Mat Sci & Engn, Guiyang 550025, Peoples R China
[4] Ctr High Pressure Sci & Technol Adv Res, Beijing 100094, Peoples R China
[5] Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen 518055, Peoples R China
[6] Bharathidasan Univ, Ctr High Pressure Res, Sch Phys, Tiruchirappalli 620024, India
关键词
electrical conductivity; impedance spectroscopy; water; titanium-bearing olivine; epidote; amphibole; kaolinite; high pressure; STRUCTURAL PHASE-TRANSITION; IN-SITU CONTROL; OXYGEN FUGACITY; CHEMICAL-COMPOSITION; WATER-CONTENT; RAMAN-SPECTROSCOPY; IMPEDANCE SPECTROSCOPY; ORTHO-PYROXENE; WAVE VELOCITY; METALLIZATION;
D O I
10.3390/min12020161
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
As a dominant water carrier, hydrous silicate minerals and rocks are widespread throughout the representative regions of the mid-lower crust, upper mantle, and subduction zone of the deep Earth interior. Owing to the high sensitivity of electrical conductivity on the variation of water content, high-pressure laboratory-based electrical characterizations for hydrous silicate minerals and rocks have been paid more attention to by many researchers. With the improvement and development of experimental technique and measurement method for electrical conductivity, there are many related results to be reported on the electrical conductivity of hydrous silicate minerals and rocks at high-temperature and high-pressure conditions in the last several years. In this review paper, we concentrated on some recently reported electrical conductivity results for four typical hydrous silicate minerals (e.g., hydrous Ti-bearing olivine, epidote, amphibole, and kaolinite) investigated by the multi-anvil press and diamond anvil cell under conditions of high temperatures and pressures. Particularly, four potential influence factors including titanium-bearing content, dehydration effect, oxidation-dehydrogenation effect, and structural phase transition on the high-pressure electrical conductivity of these hydrous silicate minerals are deeply explored. Finally, some comprehensive remarks on the possible future research aspects are discussed in detail.
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页数:23
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