青海省拉脊山六道沟地区地质矿产特征及找矿前景分析

    Analysis of geological and mineral characteristics and prospecting prospect in Liudaogou area, Laji mountain, Qinghai Province

    • 摘要: 研究区位于中央造山带南祁连活动带东段,处于化隆地块的北部和中祁连陆块的东南缘拼合部位。区域内地层除上古生界石炭系未见出露外,从下元古界至新生界第四系发育较全,褶皱和断裂构造比较发育。该区位于拉脊山加里东期铁、镍、钴、金、稀土、磷成矿带的中部,地质构造比较复杂,成矿条件良好。通过在该地区开展地质、物化探测量、槽探、钻探及样品分析等工作,分析该地区的地质、构造、岩浆岩、地球物理、地球化学特征,查明了区内含矿地层、构造、矿化体等的分布特征。通过对该区工程控制的矿体进行圈定,并进行了资源量估算,分析了该区的找矿前景。

       

      Abstract: The study area is located in the eastern part of the South Qilian active belt of the Central Orogenic Belt, in the north of Hualong block and the southeast edge of the middle Qilian block. Except that the upper Paleozoic Carboniferous system is not exposed, the quaternary system from Lower Proterozoic to Cenozoic is fully developed, and folds and faults are relatively developed. The area is located in the middle of the Caledonian iron, nickel, cobalt, gold, rare earth and phosphorus metallogenic belt in Lajishan. The geological structure is relatively complex and the metallogenic conditions are good. By carrying out geological, geophysical and geochemical survey, trenching, drilling and sample analysis in this area, the geological, structural, magmatic rock, geophysical and geochemical characteristics of this area are analyzed, and the distribution characteristics of ore bearing strata, structures and mineralized bodies in this area are found out. The ore body controlled by the project in this area is delineated, the resource is estimated, and the prospecting prospect of this area is analyzed.

       

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