安徽省铜陵焦冲Au矿床地质-地球化学建模与深部找矿

长江中下游地区是我国重要的Cu(Au)成矿带，位于该区的安徽省铜陵矿集区是我国深部找矿示范重点攻关地段，而焦冲金矿是铜陵矿集区中的典型金矿，且位于铜陵狮子山矿田西南找矿有利远景区。利用GOCAD建模技术方法,以焦冲矿区-420 m至-820 m的中段图、钻孔数据为依据，建立了研究区矿体、含矿岩体和岩性地层三维模型。在此基础上，结合矿床地质特征，分析了含金黄铁矿标型矿物热电性特征与规律，圈定了两个找矿有利靶区。研究成果对于研究区深部靶区优选和工业采矿具有重要的参考价值，对长江中下游地区深部找矿技术发展起到示范作用。

Geological-Geochemical Modeling and Deep Exploration of Jiaochong Au Deposit in Tongling District of Anhui Province

The Yangtze Rivers middle and lower reaches are important Cu (Au) metallogenic belts in China. Tongling ore concentration area of Anhui Province is located in the belt and it is also a deep mineral exploration demonstration district in China. The study area (Jiaochong gold deposit) is located in a favorable prospecting zone at the southwest of Shizishan ore field in Tongling district. In this paper, the three dimensional models of orebodies, Au bearing rocks and lithologic strata in the study area are constructed using GOCAD modeling method, which is based on the middle section of -420 m to -820 m levels and drillhole dataset in Jiaochong gold deposit. Geological characteristics, the thermoelectricity features of pyrite as regularity of Au bearing standard mineral were analyzed, and two prospecting targets were identified. The research results have an important reference for the deep mineral exploration and mining in the Yangtze Rivers middle and lower reaches.