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在工区仅有化探资料和中小比例地质资料的基础上,为了缩小找矿靶区,提高找矿效益,进行了大比例尺高精度磁测工作.利用不同岩体的磁性差异,圈出了岩体分布情况,识别出了与成矿有关的断裂构造.磁法处理结果与化探资料吻合的较好,圈出了找矿的有利靶区,并得到了地质的验证,达到了间接找矿的目的.作为一种有效的位场分离工具,小波多尺度分析可以将场源分解到不同尺度上,来反映不同深度地质体产生的异常,在实践中获得较好的效果.
Based on only the geochemical data and small to medium geological data in the work area, a large-scale and high-precision magnetic survey was carried out in order to narrow the prospecting target area and improve the ore prospecting benefit. Using the magnetic differences of different rock masses, Body distribution and identify the fault structure related to metallogenetic.Magnetic processing results are in good agreement with the geochemical data, which lays a favorable target area for prospecting and has been verified by geology, reaching an indirect prospecting .As an effective tool for field separation, wavelet multi-scale analysis can decompose the field sources into different scales to reflect the abnormalities generated by geologic bodies in different depths and achieve better results in practice.