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本文论述了一种新的重要层控金矿类型——产于我国华北地台太古界中的混合岩化后改造型金矿床的地质、矿物及地球化学特征。利用地质观察、稳定及放射性同位素组成、包裹体成分及微量元素等综合方法证明成矿物质及矿液主要来自金的矿源层,矿床为海西及燕山期构造-热液的改造作用产物。
This article discusses a new type of important stratabound gold deposit - the geologic, mineral and geochemical characteristics of the reclaimed gold deposit produced in the Arctic boundary of the North China platform in North China. The results show that the ore-forming materials and ore fluids are mainly derived from the gold source rocks by the comprehensive methods of geological observation, stable and radioisotope composition, inclusions and trace elements. The ore deposits are the product of remodeling of the structures and hydrothermal fluids in the Hercynian and Yanshanian Periods.