Deep exploration of wide field electromagnetic method and comprehensive prospecting research in Gejiu Gaosong ore field
The super large tin polymetallic deposit in Gejiu has a long mining history,the ore-forming process and mineralization type are complicated and varied.With the comsumption of shallow resources,the deep resources need to be urgently searched in this ore field,which including contact metasomatic skarn tin polymetallic ore and interlayer sulfide tin polymetallic ore.In order to promote the breakthrough of deep prospecting in Gaosong ore field,the wide-field electromagnetic method is applied to this area,and through this method ascertained the distribution of deep geologic body.At the same time,this article comprehensively analysed the metallogenic geological characteristics,and summarized the geological characteristics of different types of ore bodies.Meanwhile,combined with the wide-field apparent resistivity characteristics,the geologic and geophysical model of two main deposit types in Gaosong ore field are established.According to this model,the potential ore bodies in deeper can be effectively prediction,which can provide reference for geophysical exploration in the Gejiu and other similar polymetallic ores in China.
wide field electromagnetic methoddeep explorationcomprehensive prospecting researchGaosong ore field,Gejiu mining area
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