CAJ | 학술논문

那郎金矿床大地构造位置处于扬子准地台与华南褶皱系右江褶皱带接触部位，靠右江褶皱带一侧，属卡林型金矿床，以氧化矿为主。其容矿岩石主要为砂质粘土岩、泥灰岩等不纯碳酸盐岩，褐铁矿化、硅化、高岭土化等与金关系最为密切；矿体受地层、构造及蚀变三重控制。成矿期后容矿原岩经氧化，致使赋存在载金矿物中的包裹金游离出来，成为氧化矿中的游离金。
나랑금광상대지구조위치처우양자준지태여화남습추계우강습추대접촉부위，고우강습추대일측，속잡림형금광상，이양화광위주。기용광암석주요위사질점토암、니회암등불순탄산염암，갈철광화、규화、고령토화등여금관계최위밀절；광체수지층、구조급식변삼중공제。성광기후용광원암경양화，치사부존재재금광물중적포과금유리출래，성위양화광중적유리금。
Nalang gold deposit is located at the contact part of Yangtze para-platform and Youjiang fold belt of South China fold system and is on the side of Youjiang fold belt.The deposit is a Carlin type gold deposit and within it oxidized ores are predominated.The ore-bearing rocks are mainly impure carbonate rocks like are-naceous claystone and marlite.The gold has the closest relationship with ferritization,silicification,and ka-olinization.The orebodies are controlled simultaneously by the formation,the structure and the alteration. The postmineral host rocks liberate the inclusion gold occurred originally in the gold-bearing minerals through oxidization,and the inclusion gold becomes the free gold in oxidized ores.