ELECTRICAL-CONDUCTIVITY OF OLIVINE, A DUNITE, AND THE MANTLE

被引：85

作者：

CONSTABLE, S ^{[1
]}

DUBA, A ^{[1
]}

机构：

[1] UNIV CALIF LAWRENCE LIVERMORE NATL LAB, LIVERMORE, CA 94550 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS | 1990年 / 95卷 / B5期

关键词：

D O I：

10.1029/JB095iB05p06967

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Electrical conductivity measurements have been made on a dunite from North Carolina, in the temperature range of 600°-1200°C and under controlled oxygen fugacity. Observations demonstrate that conduction in the dunite is indistinguishable from conduction in single olivine crystals. Thus the common practice of exaggerating the single-crystal conductivities to account for conduction by grain boundary phases in the mantle is unnecessary. Because the dunite conductivity is consistent with that published for single crystals under similar conditions, a combined analysis of these data has also been made. The behavior of conductivity as a function of oxygen fugacity is discussed. -from Authors

引用

页码：6967 / 6978

页数：12

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