焦家带①号分支蚀变带的研究及其地质特征浅析

Study on Geological Characteristics of ① Branch in Alteration Zone of Jiaojia Fault Belt

摘要:

近年来，随着焦家蚀变岩型金矿床的发现，胶西北地区金矿找矿不断取得重大突破。焦家断裂带、招平断裂带和三山岛断裂也因其金矿床规模巨大、矿体稳定性良好、交通方便等便利因素而被人熟知。焦家断裂带作为三大主控矿构造之一，历来备受学者关注。但大部分都着眼于其主干断裂带，而对其分支却不够重视。该文收集了焦家主干断裂带近几年提交的成果报告，对其下盘的①号分支蚀变带进行研究。发现其具有较大的潜在的经济开发意义。对其富含的矿体及围岩蚀变等特征进行研究，并对找矿标志和成因等进行综合分析，指出了其开发前景。

Abstract:

In recent years, accompanying with the discovery of altered rock type gold deposit, a great breakthrough has been made in the northwestern region of China. Jiaojia fault belt, Zhaoping fault belt and Sanshandao fault have been known because of their large scale, good stability, convenient transportation and other convenient factors. As one of the three main ore controlling structures, the fault zone has been paid much attention by scholars. But most of them focus on the fault zone, while paid few attention on branches. Through collecting main achievements in recent years gained in Jiaojia fault zone, ① branch altered belt in its lower part has been studied. It is found that it has a great potential for economic development. Characteristics of ore bodies and alteration of surrounding rocks have been studied, prospecting marks and causes have been analyzed comprehensively, and development prospects have been pointed out as well.