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The Physico-Chemical Conditions for Mobilization of Gold in Mobin Gold Deposit, Southwest Hunan, China

谷俐杨华戴塔根刘利萍

中国地球化学学报(英文版)2002，Vol.21Issue(3)：258-265,8.

The Physico-Chemical Conditions for Mobilization of Gold in Mobin Gold Deposit, Southwest Hunan, China

谷俐 ¹杨华 ²戴塔根 ³刘利萍¹

作者信息

1. Bioengineering Key Lab for Biomechanics and Tissue Engineering Under the State Ministry of Education, Chongqing University, Chongqing 400044, China
2. Chemistry and Chemistry Technology College, Central-South University, Changsha 410083, China
3. Resource and Environmental College, Central-South University, Changsha 410083, China
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摘要

Abstract

Experiments on water-rock interaction were carried out on wall-rock samples from the Mobin gold deposit, Southwest Hunan, China, with the aim of determining the optimum physical and chemical conditions for the mobilization of gold in solution. Results indicate that gold is most easily mobilized from the wall rock-tuffaceous slate of the Mobin Deposit. Mobi lization is optimized if fluids are neutral to slightly alkaline and contain both chlorine and sulphur ions at the concentration and composition of about [0.25M (NH4)2S + 1M NaCl]. The amount of gold leached from the tuffaceous slate increases with temperature although the effect decreases above about 200℃ .

关键词

Mobin gold deposit/water-rock interaction/gold mobilization

Key words

Mobin gold deposit/water-rock interaction/gold mobilization

分类

天文与地球科学

引用本文复制引用

谷俐,杨华,戴塔根,刘利萍..The Physico-Chemical Conditions for Mobilization of Gold in Mobin Gold Deposit, Southwest Hunan, China[J].中国地球化学学报(英文版),2002,21(3):258-265,8.

基金项目

This research project was financially supported jointly by the Doctoral Foundation of the Education Ministry of China (9705301)and the Natural Science Foundation of Hunan Province (97JJ205). （9705301）

中国地球化学学报(英文版)

ISSN：2096-0956

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