地幔矿物电导率研究进展

地震地质 ›› 2007, Vol. 29 ›› Issue (1): 152-160.

地幔矿物电导率研究进展

王多君^1,2, 马瑾¹, 杨晓松¹, 周平¹

1. 中国地震局地质研究所,地震动力学国家重点实验室,北京 100029;
2. 中国科学院研究生院,北京 100049

收稿日期:2006-06-14 修回日期:2006-11-13 出版日期:2007-03-03 发布日期:2012-02-14
作者简介:王多君,男,1974年生,2004年毕业于中国科学院研究生院,获博士学位,现为中国科学院研究生院讲师,主要从事控制热力学条件下矿物、岩石电导率的研究,E-mail:duojunwang@hotmail.com.
基金资助:
国家重大基础研究发展规划项目(2004CB418405);国家自然科学基金(40404007);中国科学院院长奖获得者专项资助金;博士后基金(2005037009)共同资助

A REVIEW TO ELECTRICAL CONDUCTIVITY OF MANTLE MINERALS

WANG Duo-jun1^1,2, MA Jin¹, YANG Xiao-song¹, ZHOU Ping¹

1. State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2006-06-14 Revised:2006-11-13 Online:2007-03-03 Published:2012-02-14

摘要/Abstract

摘要： 研究地幔矿物的电导率可以揭示地球内部电导率的分布规律以及地球介质的极化机制。通过对近年来国际上地幔矿物电导率的研究结果进行分析和总结,介绍了矿物的各种影响因素与电导率的关系;对含水和不含水的地幔矿物导电机制进行了区别,不含水矿物的导电机制主要为小极化子,含水矿物的导电机制为自由质子。比较了各种典型的地幔矿物电导率结果并对电导率模型进行了评述和总结,对电导率的研究方向进行了展望。认为水在地幔矿物电导率和电导率剖面中起着重要作用。

关键词: 地幔矿物, 电导率, 导电机制, 电导率模型

Abstract: The knowledge of electrical prosperities of mantle minerals can help us to learn the distribution of the electrical conductivity in the interior of the earth and the polarization mechanism of the earth's material.The experimental results of electrical conductivity of mantle minerals were summarized and analyzed.We reviewed several important influential factors on the electrical conductivity of mantle minerals.The conduction mechanism of dry mantle minerals is different to that of wet mantle minerals.There is a small polaron conduction mechanism for dry mantle minerals,however,the conduction mechanism of wet mantel minerals is attributable to free proton.The results of typical electrical conductivity of mantle minerals were plotted and compared,and several electrical conductivity depth models were also introduced.We concluded that the water should play an important role in the electrical conductivity and the conductivity depth models.At last,we also point out the prospects of research in the future.

Key words: mantle minerals, electrical conductivity, conduction mechanism, electrical conductivity models

中图分类号:

P319.2

王多君, 马瑾, 杨晓松, 周平. 地幔矿物电导率研究进展[J]. 地震地质, 2007, 29(1): 152-160.

WANG Duo-jun, MA Jin, YANG Xiao-song, ZHOU Ping. A REVIEW TO ELECTRICAL CONDUCTIVITY OF MANTLE MINERALS[J]. SEISMOLOGY AND EGOLOGY, 2007, 29(1): 152-160.

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