Composition features of isocubanite and polymorphous modifications of CuFe2S3 compound

被引：4
|
作者：
Nenasheva, S. N. [1 ]
Kravchenko, T. A. [2 ]
机构：
[1] Russian Acad Sci, Fersman Mineral Museum, Moscow 119071, Russia
[2] Russian Acad Sci, Inst Geol & Mineral, Siberian Branch, Novosibirsk 630090, Russia
来源：
GEOLOGY OF ORE DEPOSITS | 2015年 / 57卷 / 07期
关键词：
CU-FE-S; PHASE-RELATIONS; CUBANITE CUFE2S3; SYSTEM; MINERALOGY; SULFIDES;
D O I：
10.1134/S1075701515070090
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The results of studying isocubanite from sulfide ores of recent oceanic black smokers and sulfide mud of the Red Sea are compared with those of isocubanite from ores of the Noril'sk ore field and isocubanite synthesized in the course of experimental study of the Cu-Fe-S system. Isocubanite associated with chalcopyrite is enriched in Cu, whereas that associated with pyrrhotite or with pyrrhotite and haycockite is enriched in Fe. According to data in the literature, the CuFe2S3 compound has four polymorphous modifications: orthorhombic cubanite, tetragonal, hexagonal, and cubic isocubanite. Cubanite, and tetragonal and hexagonal modifications of the CuFe2S3 compound are high-pressure minerals. Therefore, they may be used as barometers.
引用
收藏
页码：626 / 633
页数：8
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