湘南西部内生金属成矿系列及找矿方向

    METALLOGENIC SERIES AND PROSPECTING DIRECTIONS OF ENDOGENIC METALLIC DEPOSITS IN THE WEST PART OF SOUTHERN HUNAN PROVINCE

    • 摘要: 湘南西部处于南岭多金属成矿带中段,矿产资源丰富.在新一轮国土资源大调查中,认为内生金属矿的形成受一定的沉积建造、地质构造和岩浆岩控制,呈规律性分布.根据成矿地质背景和矿床组合特征,可划分3个成矿系列,即与1型花岗岩类有关的铜铅锌银成矿系列,与S型花岗岩类有关的钨锡铅锌铜银成矿系列和沉积改造型铁锰铅锌成矿系列.最后,以区内地质成矿规律、地球物理、地球化学及已知矿产分布等为依据,建立找矿标志,提出找矿靶区,指出每个靶区的主攻矿种和主攻矿床类型.

       

      Abstract: The west part of Southern Hunan Province is situated in the middle of Nanling polymetal metallogenic zone,where mineral resources are rich.The regularly distributed endogenic metallic deposits are controlled by certain sedimentary formation,geological structure and magmatite.Based on the background of metallogenic geology and deposit assemblage,three metallogenic series are divided in the studied area,namely,Cu-Pb-Zn-Ag metallogenic series related to I-type granitoid,W-Sn-Pb-Zn-Au-Ag metallogenic series related to S-type granitoid,and Fe-Mn-Pb-Zn metallogenic series related to sedimentary reformation.Six prospecting criteria are set up on the basis of the regional metallogenic regularity,geophysics,geochemistry and the distribution of minerals.

       

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