四川阿西金矿床金矿物特征研究
Gold Science and Technology(2011)
Abstract
阿西金矿床是西秦岭成矿带内较典型金矿床之一,金矿化与岩浆热液及围岩蚀变关系密切。矿石中有用组分主要为金,伴生有益组分为银;主要有害组分为砷、硫和有机碳。载金矿物主要为黄铁矿、毒砂、辉锑矿和褐铁矿,其次为石英。矿床成矿作用经历了金—毒砂—黄铁矿—石英、金—辉锑矿—方解石及表生期等不同成矿期或成矿阶段。矿石中金主要呈微细粒,以包裹金、粒间金和裂隙金形式赋存于脉石与金属矿物中。
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Key words
Axi gold deposit,Gold carriers minerals,Gold minerals,Sichuan Province
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