摘要
广西西大明山地区是一个矿产资源丰富的多金属整装勘查区,近年来相继发现了长屯中型铅锌矿床、凤凰山大型银矿床、弄屯大型铅锌矿床、罗维中型铅锌钨铋矿床,同时还发现了多处金、银、铅、锌、钨、铋矿点。通过对区域成矿系统的深入研究认为:深部燕山期隐伏岩体及寒武系是区域内重要的成矿地质体;拉街-屏山、西大明山-新六厘、群黎-三哈秀这3条北东向区域性断裂为区内最主要的导矿构造;近东西向断裂、北东向次级断裂、北西向断裂以及沿寒武系细砂岩与泥盆系灰岩硅钙面发育的断裂是重要的容矿构造。在地层产状舒缓处形成的局部张开部位,易形成厚大且品位富集的矿体,是寻找大中型矿床的重要位置。
Xidamingshan area in Guangxi is a polymetallic exploration area with abundant mineral resources.In recent years,this area has successively discovered Changtun medium-sized lead-zinc deposit,Fenghuangshan large-scale silver deposit,Nongtun large-scale lead-zinc deposit,and Luowei medium-sized lead-zinc-tungsten-bismuth deposit.At the same time,many gold-silver-lead-zinc-tungsten-bismuth deposits are also found.Through study deeply on regional metallogenic system,it is found that the deep Yanshanian hidden pluton and Cambrian strata are important metallogenic geological bodies in the region,the three northeast trending regional faults,namely Lajie-Pingshan,Xidamingshan-Xinliuli,and Qunli-Sanhaxiu,are the most important ore-conducting structures in the study area.Near east-west trending faults,northeast trending secondary faults,northwest tren-ding faults,and faults developed along the silica-calcium surface of Cambrian fine sandstone and Devonian lime-stone are important ore-bearing structures.The partially open areas where the stratigraphic attitude is gently dip-ping are prone to forming thick and high-grade orebodies,which make them important targets for exploring large and medium-sized deposits.
作者
余树青
周辉
吕昶良
吴小艳
吕璞良
陆干强
YU Shuqing;ZHOU Hui;LYU Changliang;WU Xiaoyan;LYU Puliang;LU Ganqiang(Mineral Resource Reservoir Evaluation Center of Guangxi,Nanning 530028,China;Nanning University,Nanning 530020,China;Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources in Guangxi,Guilin University of Technology,Guilin 541006,China;Guangxi Institute of Geological Survey,Nanning 530023,China;Key Laboratory of Environment Change and Resources Use in Beibu Gulf,Ministry of Education,Nanning Normal University,Nanning 530001,China;No.4 Geology Team of Guangxi,Nanning 530031,China)
出处
《桂林理工大学学报》
北大核心
2025年第3期285-293,共9页
Journal of Guilin University of Technology
基金
广西科技基地和人才专项(桂科AD20159026)
广西高校中青年教师科研基础能力提升项目(2024KY1877)。
关键词
成矿构造
成矿地质体
导矿构造
容矿构造
局部张开部位
西大明山地区
metallogenic structure
metallogenic geological body
ore guiding structure
host structure
partial-ly open area
Xidamingshan area
作者简介
余树青(1989-),男,高级工程师,研究方向:区域地质矿产勘查,754513916@qq.com;通讯作者:周辉,硕士,高级工程师,zhouhui19856@163.com。
