摘要
小石人金矿在区域、矿区、矿脉3个不同层次上均存在Au、Ag、Cu、Pb、As、Sb、Hg和Bi等元素的异常。矿区范围内近东西向和北北东向两组构造的交汇部位是成矿的最有利部位。矿区内有3个异常带,已知矿脉均赋存在北部异常带内,中部和南部的两个异常带应是Au成矿的有望地段。Ag、As、Sb、Hg、Ba为上部矿脉的特征元素,Bi、Cu、Co为下部矿脉特征元素。根据矿脉中元素分带标志,1#脉的矿化向深部还有一定延深,2#矿脉深部可能无新的盲矿体。
Xiaoshiren gold deposit is of Au,Ag,Cu,Pb,As,Sb,Hg and Bi anomalies on regional, deposit and lode scales. The intersecting parts of the EW and NNE trending structures are the most favorable sites for gold mineralization. There are three anomalous zones around and adjacent to the deposit, but the known lodes are all located in the northern anomalous zone, and the middle and southern anomalous zones are lack of gold mineralization. Ag, As, Sb, Hg and Ba are head halo elements, and Bi, Cu and Co are the rear elements in one lode. Based on the zoning index of the indicative elements, it is suggested that it is quite possible to find some blind ore bodies at the depth of No.1 lode, and it is unlikely to find any blind ore body at the depth of No.2 lode.
出处
《地质与勘探》
CAS
CSCD
北大核心
2003年第2期26-29,共4页
Geology and Exploration
关键词
地球化学
金矿床
侏罗系
成矿元素
找矿标志
成矿预测
feature of geochemical anomaly, ore-finding indicators at different scales, ore prediction
