内蒙古克什克腾旗小老鸹林子钨、钼多金属矿床地质特征及矿床成因研究  

Geological characteristics and genesis study of Xiaolaogualinzi W-Mo polymetallic deposit in Hexigten Banner,Inner Mongolia

作　　者：袁小平 YUAN Xiaoping(The Geological Brigade No.514 of North China Geological Exploration Bureau,Chengde 067000,Hebei,China)

机构地区：[1]华北地勘局五一四地质大队,河北承德067000

出　　处：《矿产与地质》2018年第2期276-282,共7页Mineral Resources and Geology

摘　　要：小老鸹林子钨钼多金属矿床位于复式背斜北西翼,属单斜构造,主要构造线方向为NE向,矿床展布受深断裂带控制,矿区内蚀变矿化多赋存在NE向构造内。围岩蚀变较为发育,与成矿关系密切的为硅化、云英岩化、角岩化、黄铁矿化、碳酸盐化、萤石化等。在以往地质成果的基础上,通过成矿地质背景、矿区地质概况和矿床地质特征的阐述,着重对成矿控制因素、矿床成因及找矿标志进行分析,认为小老鸹林子矿床是燕山期中酸性岩浆热液与围岩接触交代形成的高温热液型矿床,该区具有较好的成矿地质条件和找矿前景。The Xiaolaogualinzi W-Mo polymetallic deposit is located in the north-west wing of the complex anticline,which belongs to the monoclinic structure.The main structural line is in NE direction.The deposit distribution is controlled by the deep fault zone,and the alteration mineralization in the mining area exists in the NE structure.Wall rock alteration is more popular as well.Silicification,dolomitization,dolomitization,pyrite mineralization,carbonation and fluorinization are closely related to the mineralization.On the basis of the previous geological achievement,the metallogenic geological background,the geological survey and geological characteristics of the W-Mo deposit are expounded,and the metallogenic controlling factors,deposit genesis and ore prospecting markers are systematically analyzed.It is believed that the Xiaolaogualinzi deposit is a high-temperature hydrothermal deposit formed by the metasomatism of the medium acidic magmatic hydrothermal fluid and the surrounding rock in Yanshan period.There is a great metallogenic geological condition and prospecting potential in the study area.

关 键 词：小老鸹林子钨钼矿 地质特征 矿床成因 找矿前景 内蒙古 

分 类 号：P618.67[天文地球—矿床学] P618.65[天文地球—地质学]