| The Electrical Conductivity of Gabbro at High Temperature and High Pressure |
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| 作者姓名： | 王多君 李和平 易丽 张卫刚 刘丛强 苏根利 丁东业 |
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| 作者单位： | 王多君(Laboratory of the Earth' s Interior and Geofluids, Institute of Geochemistry, Chinese Academy of Sciences, Cruiyang 550002, China;Graduate School of Chinese Academy of Sciences, Beijing 100083, China);李和平,苏根利,丁东业(Laboratory of the Earth' s Interior and Geofluids, Institute of Geochemistry, Chinese Academy of Sciences, Cruiyang 550002, China);易丽,刘丛强(Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China);张卫刚(Oil University, Beijing 102200, China) |
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| 基金项目： | National Climbing Program，国家自然科学基金 |
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| 摘 要： |
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| 关 键 词： | 高温高压 辉长石 传导机理 电导率 |
| 收稿时间： | 17 February 2009 |
The electrical conductivity of gabbro at high temperature and high pressure |
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| Wang Doujun,Li Heping,Yi Li,Zhang Weigang,Liu Congqiang,Suo Gengli,Ding Dongye.The Electrical Conductivity of Gabbro at High Temperature and High Pressure[J].Chinese Journal of Geochemistry,2002,21(3):252-257. |
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| Authors: | Wang Doujun Li Heping Yi Li Zhang Weigang Liu Congqiang Suo Gengli Ding Dongye |
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| Institution: | (1) Laboratory of the Earth ’s sInterior and Geofluids, Institute of Geochemistry, Chinese Academy of Sciences, 550002 Guiyang, China;(2) Graduate School of Chinese Academy of Sciences, 100083 Beijing, China;(3) Institute of Geochemistry, Chinese Academy of Sciences, 550002 Guiyang, China;(4) Oil University, 102200 Beijing, China |
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| Abstract: | The electric conductivity of gabbro has been measured at 1.0 - 2.0 GPa and 320-700℃, and the conduction mechanism has been analyzed in terms of the impedance spectra.Experimental results indicated that the electric conductivity depends on the frequency of alternative current. Impedance arcs representing the conduction mechanism of grain interiors are displayed in the complex impedance plane, and the mechanism is dominated at high pressure.These arcs occur over the range of 102 - k× 105 Hz (k is the positive integer from 1 to 9). On the basis of our results and previous work, it is concluded that gabbro cannot form any high conductivity layer (HCL) in the middle-lower crust. |
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| Keywords: | high temperature and pressure gabbro conduction mechanism electrical con-ductivity HCL |
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