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地质学报  2011 

高温高压下岩石电导率不同测量方法的实验对比――以二辉橄榄岩为例

, PP. 343-353

Keywords: 高温高压,二辉橄榄岩电导率,交流阻抗谱,大地电磁测量

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Abstract:

利用YJ-3000t紧装式六面顶压机,在1.0GPa、500~900℃和2.0GPa、500~950℃的实验条件下,同时采用交流阻抗谱法(AC0.05~10-6Hz)、直流法(DC)和单频交流法(0.1Hz)三种方法对采自河北大麻坪玄武岩中的尖晶石二辉橄榄岩进行了电导率的实验测量。实验结果表明:在实验的温度和压力范围内,二辉橄榄岩的电导率在8.65×10-7~2.09×10-3Sm-1之间变化,lnσ与1/T之间符合Arrenhius关系,指前因子在1.36~37.89Sm-1之间变化,活化能在0.74~1.01eV之间变化;二辉橄榄岩的电导率随着温度的升高而增大,但压力对电导率无明显影响;三种方法所得的lnσ差别很小(<3%),其中阻抗谱法所得结果最大,直流法所得结果最小。最后依据实验所得的二辉橄榄岩电导率与温度的关系建立电导率-深度曲线图,将所得结果与样品采集区的大地电磁测量结果进行了比较,发现在相应深度下的二辉橄榄岩电导率与华北北缘岩石圈地幔电导率值的范围相交,由此我们推断二辉橄榄岩可能是华北克拉通岩石圈上地幔的主要组成岩石。

References

[1]  Lastovickova M A Review of Laboratory Measurements of the Electrical-Conductivity of Rocks and Minerals [J] 1991(1-2) doi:10.1016/0031-9201(91)90099-4
[2]  Lastovickova M,Laboratory Measurements of ElectricalConductivity of Biotites,Studia Geophysica and Geodaetica,1991(02).
[3]  Karato S;L D Dai,Comments on "Electrical conductivity of wadsleyite as a function of temperature and water content" by Manthilake et al,Physics of the Earth and Planetary Interiors,2009(1-4).
[4]  朱茂旭;谢鸿森;郭捷;白武明 许祖鸣,高温高压下蛇纹石电学性质的阻抗谱分析,中国科学A辑,2000(08).
[5]  谢鸿森;张月明;徐惠刚;侯渭 郭捷 赵鸿儒,高温超高压下测量岩石矿物弹性波速的新方法及其地学意义,中国科学B辑,1993(10).
[6]  韦延光,王多君,易丽,邓军 王建国 谢鸿森,冀西北万全地区大麻坪地幔岩包体高温高压弹性波研究及其地质意义,地质通报,2005(06).
[7]  魏文博;金胜;叶高峰;邓明 景建恩,华北地区大地电磁测深及岩石圈厚度讨论,中国地质,2006(04).
[8]  Yoshino T;T Katsura,Reply to Comments on "Electrical conductivity of wadsleyite as a function of temperature and water content" by Manthilake et al.Discussion,Physics of the Earth and Planetary Interiors,2009(1-4).
[9]  Roberts J J;J A Tyburczy Frequency-Depandent ElectricalProperties of Minerals and Partial-Melts [J] 1994(02) doi:10.1007/BF00689861
[10]  Roberts J J;J A Tyburczy Frequancy-Dependent ElectricalProperties of Dunite as Functions of Temperature and Oxygen Fugacity [J] 1993(08) doi:10.1007/BF00203054
[11]  Roberts J J;J A Tyburczy Frequency-Dependent ElectricalProperties of Polycrystalline Olivine Compacts [J] 1991(B10) doi:10.1029/91JB01574
[12]  魏文博;叶高峰;金胜;邓明 景建恩 彭志强 林昕 宋石磊 唐宝山 屈栓柱 陈凯 杨宏伟 李国强,华北地区东部岩石圈导电性结构研究--减薄的华北岩石圈特点,地学前缘,2008(04).
[13]  万方;周文戈;刘永刚;范大伟 谢鸿森,高温高压下斜长角闪岩弹性、电学性质及其地质意义,地质科技情报,2008(27).
[14]  王多君;李和平;刘丛强;易丽,苏根利,张卫刚,许祖鸣,高温高压下辉石岩的电导率研究,高压物理学报,2004(18).
[15]  刘勇胜;高山;柳小明;陈小明 张文兰 王选策,汉诺坝下地壳-上地幔包体的岩石圈热动力学记录,科学通报,2003(14).
[16]  代立东;李和平;刘丛强;单双明 崔桐娣 苏根利,高温高压和不同氧逸度条件下斜方辉石电导率的实验研究,地质学报,2005(06).
[17]  代立东;李和平;刘丛强;苏根利 崔桐娣 单双明 杨昌君 刘庆友,高温高压下二辉橄榄岩的阻抗谱实验研究,高压物理学报,2005(01).
[18]  Fuji-ta, K ;Katsura, T ;Tainosho, Y,Electrical conductivity measurement of granulite under mid- to lower crustal pressure-temperature conditions,Geophysical Journal International?,2004, 157(1).
[19]  代立东,李和平,刘丛强,苏根利 崔桐娣,高温高压和控制氧逸度条件下透辉石电导率的各向异性实验研究,岩石学报,2005(06).
[20]  臧绍先;刘永刚;宁杰远,华北地区岩石圈热结构的研究,地球物理学报,2002(01).
[21]  迟清华;鄢明才,华北地台岩石放射性元素与现代大陆岩石圈热结构和温度分布,地球物理学报,1998(01).
[22]  Nover G;S Heikamp;A Konmy;A Duba The Effect of Pressure on the Electrical-Conductivity of Ktb Rocks [J] 1995(01) doi:10.1007/BF00682713
[23]  Nover, G,Electrical properties of crustal and mantle rocks - A review of laboratory measurements and their explanation,Surveys in Geophysics?,2005, 26(5).
[24]  Manthilake, MAGM ;Matsuzaki, T ;Yoshino, T ;Yamashita, S ;Ito, E ;Katsura, T,Electrical conductivity of wadsleyite as a function of temperature and water content,Physics of the Earth and Planetary Interiors?,2009, 174(1/4).
[25]  Huebner J S;R G Dillenburg,Impedance Spectra of Hot,Dry Silicate Minerals and Rock-Qualitative Interpretation of Spectra,American Mineralogist,1995(1-2).
[26]  赵国泽;刘国栋;詹艳;江钊 刘铁胜 汤吉 王继军 李文军 梁竞阁,张北-尚义地震及其邻区地壳上地幔结构,地震地质,1998(02).
[27]  朱茂旭;谢鸿森,地球深部物质电学性质实验研究,地球科学进展,1998(05).
[28]  Fuji-ta K;T Katsura;T Matsuzaki;M Ichiki T Kobayashi,Electrical conductivity measurement of gneiss under mid-to lower crustal P-T conditions,Tectonophysics,2007(1-4).
[29]  Duba A;B J N Ringwood;A E Electrical-Conductivity of Pyroxene [J] 1973(06) doi:10.1086/627925
[30]  Duba A;H C Heard;R N Schock Electrical-Conductivity of Olivine at High-Pressure and under Controlled Oxygen Fugacity [J] 1974(11) doi:10.1029/JB079i011p01667
[31]  Duba A;S Constable,The Electrical-conductivity of Llherzolite,Journal of Geophysical Research B:Solid Earth and Planets,1993(98).
[32]  Dai L D;H P Li;C G Liu;T D Cui,S M Shah,C J Yang,Q Y Liu,H M Deng Experimental measurement of the electrical conductivity of single crystal olivine at high temperature and high pressure under different oxygen fugacities [J] 2006(04) doi:10.1080/10020070612330009
[33]  Dai, LD ;Karato, S,Electrical conductivity of pyrope-rich garnet at high temperature and high pressure,Physics of the Earth and Planetary Interiors?,2009, 176(1/2).
[34]  Dai, L ;Karato, SI,Electrical conductivity of wadsleyite at high temperatures and high pressures,Earth and Planetary Science Letters?,2009, 287(1/2).
[35]  Constable S;T J Shankland;A Duba,The ElectricalConductivity of an Isotropic Olivine Mantic,Journal of Geophysical Researeh-Solid Earth,1992(B3).
[36]  Constable S;A Duba,Electrical-Conductivity of Olivine,a Dunite,and the Mantle,JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS,1990(95).
[37]  Cemic L;G Will;E Hinze,Electrical-Conductivity Measurements on Olivines Mg2SiO4-Fe2SiO4 Under Defined Thermodynamic Conditions,Physics and Chemistry of Minerals,1980(06).
[38]  郑建平;路凤香;余淳梅;袁晓萍 张瑞生,华北东部橄榄岩岩石化学特征及其岩石圈地幔演化意义,地球科学-中国地质大学学报,2006(1).
[39]  白利平;杜建国;刘巍;周文戈,高温高压下辉长岩纵波速度与电导率实验研究,中国科学D辑,2002(11).
[40]  魏文博;谭捍东;金胜;邓明 叶高峰 邓靖武 万战生,华北中部岩石圈电性结构--应县-商河剖面大地电磁测深研究,地球科学-中国地质大学学报,2002(05).
[41]  曹楚南;张鉴清,电化学阻抗谱导论,北京:科学出版社,2002.

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