Physicochemical Conditions of Differential Mineralization of Au and As in Gold Deposits,Southwest Guizhou Province, China

被引：0
|
作者：
何明友
机构：
来源：
Acta Geochimica | 1996年 / 02期
关键词：
Carlin-type gold deposit; gold; arsenic; differential mineralization; physico-chemical condition;
D O I：
暂无
中图分类号：
P59 [地球化学];
学科分类号：
070902 ;
摘要：
The conditions under which gold and arsenic are enriched separately during mineralization in gold deposits in southwestern Guizhou Province were described and the thermodynamic calculations gave: 200-150℃ at 400×10-6-300×10 6 Pa （corresponding to a depthbetween 1 .6 km and 1 .2 km）; lgfO2-40 t0 - 35 Pa; lgfs2- 20 to -16 Pa; pH 5. 0 -4. 2 and Eh - 0. 53 V.
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页码：189 / 192
页数：4
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