摘要
基于金矿床的化学元素组合分析,存在前晕、近晕、尾晕三种现象。前晕出现在矿体的上部,呈低温元素组合(Hg、As、Sb、B、F元素异常);近晕接近矿体,主要表现Au、Ag、Cu、Zn元素异常,这又是离矿体较近的缘故;尾晕出现在矿体的尾部,呈高温元素组合(Mo、Mn、Co、Bi),具有明显的热层效应。复杂的金矿体常常出现元素组合异常,即矿体的尾部出现前晕元素组合,暗示深部存在盲矿。
Based on the analysis of the chemical element combination of gold deposits,there are three phenomena:front halo,near halo and tail halo.The front halo appears in the upper part of the ore body,showing low temperature element combination (Hg,as,Sb,B,f element anomaly);the near halo is close to the ore body,mainly showing Au,Ag,Cu,Zn element anomaly,which is close to the ore body;the tail halo appears in the tail of the ore body,showing high temperature element combination (Mo,Mn,Co,BI),with obvious thermosphere effect.The complex gold ore body often appears element combination anomaly,that is,the front halo element combination appears in the tail of the ore body,which indicates that there is blind ore in the deep.
作者
杨珊福
YANG Shan-fu(geological team of Guangxi Zhuang Autonomous Region,Guigang 537101,China)
出处
《世界有色金属》
2021年第3期16-17,共2页
World Nonferrous Metals
关键词
金矿
元素组合
前缘晕
化学元素异常
gold deposit
element association
frontal halo
chemical element anomaly
