PARTITION OF URANIUM AND THORIUM BETWEEN AUGITE AND HOST LAVAS

被引：34

作者：

NAGASAWA, H

WAKITA, H

机构：

[1] Faculty of Science, Gakushuin University, Mejiro, Toshima-ku, TokyoJapan

[2] Radioisotope School, Japan Atomic Energy Research Institute, Honkomagome, Bunkyo-ku, TokyoJapan

来源：

GEOCHIMICA ET COSMOCHIMICA ACTA | 1968年 / 32卷 / 08期

关键词：

D O I：

10.1016/0016-7037(68)90104-X

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：

Contents of U and Th in mineral fractions separated from some volcanic lavas and a peridotite nodule have been measured. Th Uratios were larger in the groundmass than in the augite phenocryst of the lava. In the peridotite nodule, U and Th were most enriched in diopside. Ionic substitution of Ca in clinopyroxene by U and Th under equilibrium conditions is proposed for the possible partition mechanism. © 1968.

引用

页码：917 / &

共 6 条

[1] DENSITY DISTRIBUTION AND CONSTITUTION OF THE MANTLE [J].