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序言1:5万 J-48-134-丙(金源)幅野外工作开始于1973年,1975年结束。面上化探工作主要是岩石测量,1976年进行室内整理。由于我队是新建队,在化探资料整理工作中没有经验,主要还是采用“拐点法”。此种方法虽然也能圈出一些异常,但我们认识到存在严重不足之处:首先,在测区中无论地质条件多么复杂,都作单一母体处理,全区确定统一异常下限,显然是不恰当的。即或按地质特征分为许多背景单元处理,除
Preamble 1: 50,000 J-48-134-C (gold source) field work began in 1973, 1975, the end. Surface geochemical exploration work mainly rock measurements, 1976 indoor finishing. As my team is a new team, there is no experience in the geochemical data sorting work, mainly using “inflection point method.” Although this method can also enclose some anomalies, we recognize that there are serious shortcomings: First of all, in the survey area, regardless of the complicated geological conditions, they are treated as a single parent. Therefore, it is clearly not appropriate to determine the uniform anomaly limit in the entire area of. That is, or according to geological features divided into many background units, except