THE NATURE OF CHALCOPYRITE INCLUSIONS IN SPHALERITE - EXSOLUTION, COPRECIPITATION, OR DISEASE

被引：95
作者：
BORTNIKOV, NS
GENKIN, AD
DOBROVOLSKAYA, MG
MURAVITSKAYA, GN
FILIMONOVA, AA
机构：
[1] Institute of Ore Deposits Geology, Petrography, Mineralogy & Geochemistry, The USSR Academy of Sciences, 35 Staromonetny perulok
来源：
ECONOMIC GEOLOGY AND THE BULLETIN OF THE SOCIETY OF ECONOMIC GEOLOGISTS | 1991年 / 86卷 / 05期
关键词：
D O I：
10.2113/gsecongeo.86.5.1070
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：
Chalcopyrite inclusions in sphalerite, once considered to be only exsolution products, have been suggested to be replacements of Fe-rich sphalerite. This study reveals that (1) chalcopyrite inclusions were found in sphalerite with different iron contents: both Fe-poor varieties from 0.5 to 2 wt percent and Fe-rich, from 8 to 14 wt percent; (2) chalcopyrite inclusions were produced by replacement as the result of interaction of sphalerite with solutions, which transported both copper and iron; and (3) coprecipitation of sphalerite and chalcopyrite is an alternative mechanism of formation of the chalcopyrite inclusions in the ore deposits studied.
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页码：1070 / 1082
页数：13
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