The discovery of the Cuiluan quartz type silver deposit in Heilongjiang Province and its significance
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摘要: 总结了综合物化方法在寻找石英脉型银矿中的应用过程和找矿经验。采用综合物化探方法在翠峦地区开展1∶5万水系沉积物异常查证,结果首次在伊春—铁力成矿区发现高品位石英脉型银矿。该矿土壤异常元素组合主要为Ag、As、Sb、Pb、Zn,异常规模大,但主成矿元素Ag强度较低;激电中梯特征表现为高阻、高极化。根据查证结果认为,石英脉型银矿有明显的物化组合特征,在森林浅覆盖区,利用综合物化探法寻找该类型矿床效果良好。Abstract: The integrated geophysical and geochemical methods were adopted to detect 1 ∶ 50000 stream sediment geochemical anoma?lies in Cuiluan area, which led to the discovery of a high?grade quartz vein type silver ore deposit in the Yichun?Tieli metallogenic belt. The anomaly combination of soil elements is composed of Ag,As,Sb,Pb and Zn, the middle gradient induced polarization is character?ized by high values of apparent resistivity and apparent chargeability. Studies reveal that the ore deposit is characterized by weather re?sistance of quartz vein type silver ore and low value of Ag element in soil, that the quartz vein causes the high value of apparent resis?tivity, and that pyritization leads to the high value of apparent chargeability.
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