Genesis of Carlin-type gold deposits in southwestern Guizhou Province, China

被引：9
|
作者：
Zhu, XQ [1 ]
Zhang, ZG [1 ]
Jiang, ZC [1 ]
机构：
[1] Chinese Acad Sci, Guiyang Inst Geochem, Guiyang 550002, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 1999年 / 44卷 / 05期
基金：
中国国家自然科学基金;
关键词：
gold; Carlin-type; nanometer sized; adsorption; genesis or ore deposits;
D O I：
10.1007/BF02977890
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A solution containing nanometer-sized pure gold particles was prepared with the hydrolysis-reduction method. As observed under the electron microscope, the gold particles were as large as 20 nm in size. Different kinds of mineral and rock were put into the solution and the experimental result showed that the nanometer-sized gold particles are obviously adsorbed on sulfide minerals, native copper and carbonaceous rocks. This experimental result is consistent with the actual geological observation. On this basis a better explanation is presented of the genesis of the Carlin-type gold deposits.
引用
收藏
页码：466 / 469
页数：4
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