湖南威溪钨铜多金属矿矿床地质特征和成因分析

摘要

威溪钨铜多金属矿是处于湖南省城步县长槽里岩体和苗儿山岩体中间地段的一个矽卡岩型钨铜多金属矿床,该矿床严格受地层、构造、岩浆岩控制.矿床成矿经历了:矿源层雪峰期热液接触交代成矿—加里东期叠加富集—加里东期充填交代成矿等过程.初步总结了威溪钨铜多金属矿的成矿地质特征及成矿规律,并分析了矿床成因,以期为今后寻找同类型矿床提供参考.%Weixi W-Cu polymetallic deposit which is located at the middle section between the Miaoershan granite and Changcaoli granite of Chengbu County of Hunan province,is one skarn-type polymetallic depos-it.It is strictly controlled by the stratum,structure and magmatic rocks.The deposit formation process in-cludes the multi-stages mineralization,hydrothermal and contact-metasomatic mineralization of ore-source bed during Xuefeng period,Caledonian superimposition and enrichment,and Caledonian filling and replacing mineralization and so on.This paper has preliminarily summarized the metallogenic characteristics and met-allogenic regularity and has analyzed deposit genesis of the Weixi W-Cu deposit reference for later exploration of the same type deposit in this area.