川口矿田钨成矿期次及成矿阶段初步研究

Pilot Study on Metallization Epoches and Mineralization Stages of Tungsten Ore in Chuankou Ore Field

川口矿田位于川口南北隆起之南段,为茶陵—郴州NNE向大断裂与安仁—常德NW向基底隐伏大断裂所组成的三角区内,是湘中地区重要的钨矿化集中区。文章在较为详细的镜下岩矿鉴定和野外实地观察的基础上,根据矿田地质特征、钨矿化类型、矿石类型及结构构造、钨矿石矿物组合及其相互穿插关系,将川口矿田钨成矿分为3个成矿期次和8个成矿阶段,表明川口矿田钨矿的形成具有多期多阶段性。

Chuankou ore fi eld is located in the southern of Chuankou south north uplift, and in the triangle of Chaling to Chenzhou NNE direction large major fault and Anren to Changde NW direction basement of concealed fault, and is the important tungsten clusters area of central of Hunan. This paper is based on detailed identifi cation of rock and minerals and fi eld observation,and on the basis of geological charactistics of ore fi eld, tungsten mineralization types, tungsten ore rock type and its texture and structure, tungsten mineral combination and its interrelationship, then the Chuankou ore fi eld tungsten mineralization is divided into three metallization epoches and eight mineralization stages, this paper shows that tungsten formation has multiple epoches and multiple stages in Chuankou ore fi eld.