应用基于互相关法的双频激电数据处理验证化探异常——以东昆仑成矿带某斑岩型钼铜矿为例

摘要

It is hard to discriminate the later period IP abnormal because the measured data consists of human error interfer ence in the relative deviation of the real value.The cross-correlation method is used to deal with east Kunlun metallogenic belt molybdenum and copper polymetallic deposits ladder dual-frequency IP data to check the effectiveness of the classic rock geochemical measurement anomaly in this article.Firstly,we introduce the basic principle of cross-correlation method,and analyses two continuous profile;secondly,we propose the necessity of processing induced polarization data under the precondition of the geology and geochemical primary halos measurement results of the study area;finally,we conduct metallogenic prediction according to the processing result.The results suggest that the cross-correlation method dealing with the smaller frequency domain IP method parameter Fs has obvious prominent role which provides valuable insights for the low taste deposit exploration and comprehensive study in the future.%由于实测数据存在人文误差等干扰出现了相对真实值的偏差,从而引起对后期激电异常的判别带来干扰.利用互相关法对东昆仑成矿带某钼铜多金属矿的双频激电中间梯度法数据进行了处理,以复核地球化学岩石碎屑测量异常的有效性.首先介绍了互相关法的基本原理,并选择两个连续剖面进行了精细分析;其次在了解研究区地质情况和地球化学原生晕测量结果的前提下,提出了处理激发极化数据的必要性;最后根据处理结果证实了此种方法处理的效果,并进行了成矿预测.结果表明:互相关法处理频率域激电法参数Fs值普遍较小的情况具有明显突出异常的作用,为今后斑岩型等品味较低的矿床勘探综合研究提供借鉴.