A Study of Occurrences of Ag in Pb-Zn-Cu Ore Deposits in China

被引：0
|
作者：
WANG JingchunBeijing Institute of Geology for Mineral Resources
机构：
来源：
ActaGeologicaSinica(EnglishEdition) | 2000年 / 03期
关键词：
Pb-Zn-Cu ore deposit; silver; occurrence mode; embedded type; partitioning;
D O I：
暂无
中图分类号：
P618.5 [贵重金属];
学科分类号：
0709 ; 081803 ;
摘要：
A systematic study of occurrences of silver in 156 Pb-Zn-Cu ore deposits indicates that silver mainly occurs in nonferrous metal ore deposits in forms of association and paragenesis. It occurs mainly as independent minerals in nature and occasionally as ion adsorption, isomorphous or amorphous silver minerals. Nearly 190 silver minerals have been discovered in China. Their shapes, constituents, textures, grain sizes, embedded types, distribution patterns, mineral assemblages and metallogenic series suggest that these characteristics are closely related to geneses of deposits and dependent of ore-forming conditions. Pb, Zn and Cu sulphides are the main carrier minerals of silver. The partition of silver in ore is constrained by the mineralization intensity, grain size and embedded form of silver minerals and mineral assemblages.
引用
收藏
页码：516 / 520
页数：5
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