连续电导率观测系统在五龙金矿深部找矿预测中的应用研究

辽宁省五龙金矿区地质工作程度较高,截至目前开采深度达近千米,而地球物理工作相对滞后,急需开展深部隐伏矿地球物理探测工作,进而指导深部找矿预测研究,实现寻找深部隐伏矿的有效突破。为此,在分析矿区地质、构造及岩矿石物性资料的基础上,结合区域航磁资料和区域构造的分析结果,针对矿区主要成矿地质体和成矿构造,实施开展了连续电导率观测,通过二维反演与综合分析,预测五龙矿区163主矿体向下仍有较大的成矿空间,且矿体向东南方向延伸,在矿区东南部及外围形成较为有利的成矿部位,进而为下一步矿区地质找矿工作提供有效帮助或指导。

Application of the continuous conductivity observation system to prediction of deep prospecting in the Wulong gold deposit

Exhaustive geological work has been conducted in the Wulong gold deposit in Liaoning Province with nearly 1000m deep mining so far. However, only a little geophysical surveys have been made in this area, which is urgently needed to be strengthened to probe the deep subsurface, providing guidance for the prediction of deep prospecting and breakthroughs in searching for deep concealed ores. To this end, based on data of geology and physical properties of rocks and minerals in the mining area, in combination with analysis of aeromagnetic data tectonics, continuous conductivity observation has been conducted to delineate the main ore-forming geological bodies and metallogenic structures in the mining area. According to the two-dimensional inversion and comprehensive analysis, it is predicted that there is still large mining space below the 163 main orebody of the Wulong mining area, which extends to the southeast. Moreover, the southeast of the mine and its periphery area are favorable localities of mineralization. The results in this work provide help for the further geological prospecting in this mining area.