西藏郎县扎龙金矿床地质特征及矿床成因  

Geologic Characteristics and Genesis of Zalong Au Deposit,Langxian County,Tibet

作　　者：弓晨 郭靖 吕梦鸿 李小军 韩效斌 GONG Chen;GUO Jing;LV Menghong;LI Xiaojun;HAN xiaobin(The Third Geological Exploration Institute,China Metallurgical Geology Bureau,Taiyuan 030002,Shanxi province,China;Sichuan Institute of Metallurgical Geology Exploration,Chengdu 610051,Sichuan province,China)

机构地区：[1]中国冶金地质总局第三地质勘查院,太原030002 [2]四川省冶金地质勘查院,成都610051

出　　处：《地质找矿论丛》2025年第1期1-8,共8页Contributions to Geology and Mineral Resources Research

摘　　要：扎龙金矿床位于西藏自治区林芝市朗县与山南市隆子县交界部位,产于藏南拆离系金锑矿成矿带中。为了解其矿床成因类型并进行进一步的勘探实践,文章根据野外地质调查和室内研究成果,对该矿床地质特征、成因、赋矿规律、找矿方向进行了总结与分析。研究表明扎龙金矿床赋存于上三叠统江雄组地层岩性段的断裂带中,工业类型以含金石英脉型为主,含金构造蚀变岩型次之。矿床成因为受构造控制的浅成低温热液型金矿。找矿标志为断裂破碎带及毒砂矿化、黄铁矿化、黏土化、硅化等多种围岩蚀变。The Zalong gold deposit is located at the junction of Langxian County of Linzhi City and Longzi County of Shannan City,occurring in a detachment system-hosted gold-antimony mineralization belt in south Tibet.The article summarizes and analyzes the geological characteristics,genesis,mineralization law,and prospecting direction of the gold deposit based on field investigation and indoor research.The gold deposit is located in the fracture zone in the lithologic section of the Upper Triassic Jiangxiong formation.The industrial ore type is dominated by the gold-bearing quartz vein type,then the gold-bearing tectonic alteration rock type.It is genetically a epithermal gold deposit controlled by structure.Arsenopyritization,pyritization clay grouting and silicification are the prospecting marks.

关 键 词：扎龙金矿床 地质特征 矿床成因 藏南 

分 类 号：P618.51[天文地球—矿床学]