云南金平地区金矿化类型及找矿方向

Au Mineralization Type and Reconnaissance Range in the Jinping Region, Yunnan

云南金平地区位于三江造山带哀牢山成矿带南段,是我国重要黄金勘查、生产基地。区内金矿化类型主要有蚀变岩型、石英脉型、红土型和冲(洪)积型。通过对金平地区内的地层、构造、岩浆岩等控矿因素的分析,发现区内的金矿床(点)与构造—岩浆活动关系密切。区内金矿床(点)主要产于古生代浅变质岩系地层中,受NNW向、NW向及NE向断裂及各类侵入岩控制,金矿化与区内岩浆类型有成因上的联系。最后,指出铜厂—大坪一带为区内重要的金成矿远景区。

The Jinping area lies in the south section of the Ailaoshan metallogenic belt and is one of the most important gold production and prospecting bases in China. Gold deposits or gold mineralization in the Jinping area are confined to the Paleozoic metamorphic rocks series and controlled by NNW-, NW- and NE-trending fractures and intrusions. The gold mineralization was related to magmatism. The main gold deposit types are structural altered rock type, quartz vein-type and laterite-type. Finally, range of reconnaissance for the Au deposits in the Jinping area are pointed out.