柴北缘是重要的金多金属成矿带,矿种主要以Au、Cu、Pb、Zn为主,有“金腰带”之称,近几十年来,在该区相继发现了一批具有工业意义的矿床。在过去的30年里,“高大全”异常在找矿中起到非常重要的作用,随着“高大全”异常的减少,如何在小弱异常中发现矿化已成为目前急于解决的问题。“如何提取、筛选这些极为隐蔽的矿化信息”一直是在化探找矿中关注的焦点,而对合理有效的化探数据处理已被实践证明是一个有效的途径(朱裕生等,2000)。针对这种问题,学者们提出了以地球化学块体 The north margin of the Qaidam basin is an important gold-polymetallic metallogenic belt. The ore is mainly dominated by Au, Cu, Pb and Zn, and is called “gold belt”. In recent decades, Industrial significance of the deposit. In the past 30 years, the “Gao Da Quan” anomaly has played a very important role in prospecting. With the decrease of the “Gao Da Quan” anomaly, how to discover mineralization in the weak anomaly has become an urgent issue solved problem. How to extract and screen these extremely subtle mineralized information has always been the focus of geochemical prospecting. Valid and effective geochemical data processing has proven to be an effective approach (Zhu Yusheng et al. 2000). In response to this problem, scholars have proposed a geochemical block