摘要
本文阐述了新疆双峰山金矿床地质特征,指出矿床具有低温热液蚀变组合和独特的蚀变分带模式,矿体受EW向断裂和下石炭统(C_1b_2)火山岩岩性的控制,笔者认为双峰山金矿是海西期火山岩型浅成低温热液金矿床。
The Shuangfengshan gold deposit is distributed in the Lower Carboniferous (C_1b_2) volcanic rocks,dipping NE30°with a dip angle of 38°. The orebodies are mainly lentalites,which are 40～ 360 m in length and 1～4 m in thickness. The tenor of the orebodies is about 5 ×10^(-6) . The main minerals are mirocrystalline quartz and chalcedony, and gold is mainly distributed in pyrite and arsenpyrite. The ores have brecciated structure, network structure and vein-disseminated structure. This paper demonstrates that this deposit is a Hercynian volcanic-hosted epithermal gold deposit with epithermal alteration association and special alteration zoning pattern.
出处
《地质论评》
CAS
CSCD
北大核心
1999年第S1期1099-1104,共6页
Geological Review
基金
国家"九五"科技攻关项目(编号96-915-02-06)
国家自然科学基金(编号49703045)项目资助
关键词
金矿床
火山岩型
地质特征
双峰山
新疆
gold deposit
volcanic-hosted
geological features
Shuangfengshan
Xinjiang
