湖南钨矿成矿密度、成矿强度规律及定量分析  

Rules and quantitative analysis of metallogenic density and intensity of tungsten deposits in Hunan Province

作　　者：安江华 陈启亮 李杰 肖荣 邓蕾 李湘玉 An Jianghua;Chen Qiliang;Li Jie;Xiao Rong;Deng Lei;Li Xiangyu(Geological Survey of Hunan Province,Changsha 410116,Hunan,China)

机构地区：[1]湖南省地质调查所,湖南长沙410116

出　　处：《地质学刊》2023年第1期44-53,共10页Journal of Geology

基　　金：中国地质调查局项目“《中国矿产地质志》”(DD20160346、DD20190379、DD20221695)和“《中国矿产地质志·湖南卷》”(资[2014]03-003-028、[2015]08-01-04-023、矿调合同[2016]第64号、矿调合同[2017]第26号、KD-[2018]-XZ-078、KD-[2019]-XZ-080、KD-[2020]-XZ-020、KD-[2021]-XZ-016、KD-[2022]-XZ-008)资助成果。

摘　　要：在整理湖南73处钨矿床资料的基础上,通过成矿区带划分、控矿因素归纳、重要钨矿成矿区带的成矿密度和成矿强度的定量分析,将湖南钨矿区带划分为5个Ⅲ级成矿区(带)、12个Ⅳ级成矿亚带(区)、20个矿集区。梳理Ⅳ级各成矿亚带(区)的矿床分布特征可知,万洋山—诸广山成矿区(Ⅲ-83-5)钨矿床数量最多,资兴—宜章成矿区(Ⅲ-83-4)的成矿强度最强,达212.74 t/km^(2)。各矿集区矿床分布特征显示,千里山—骑田岭钨矿集区(Ⅲ-83-4-a)有9处钨矿床,矿床数量最多;瑶岗仙钨矿集区(Ⅲ-83-5-c)成矿密度、成矿强度均位居矿集区首位。燕山期为钨矿成矿的高峰期,该期形成的WO3累计查明资源量占全省累计查明资源量的78.78%。Based on the data of 73 tungsten deposits in Hunan,through the classification of metallogenic zones,the induction of ore-controlling factors,the quantitative analysis of metallogenic density and metallogenic intensity of important tungsten ore belts,Hunan tungsten ore belts are divided into 5Ⅲ-level metallogenic areas(belts),12Ⅳ-level metallogenic subbelts(subzones),and 20 ore concentration areas.The deposit distribution characteristics of Ⅳ-level metallogenic subbelts(subzones)reveal that Wanyangshan-Zhuguangshan metallogenic area(Ⅲ-83-5)has the largest number of tungsten deposits,and Zixing-Yizhang metallogenic area(Ⅲ-83-4)has the strongest metallogenic intensity,up to 212.74 t/km^(2).The deposit distribution characteristics of each ore concentration area show that there are 9 tungsten deposits in Qianlishan-Qitianling tungsten concentration area(Ⅲ-83-4-a),and its number of tungsten deposits is the largest.Yaogangxian tungsten ore concentration area(Ⅲ-83-5-c)has the highest metallogenic density and intensity.The tungsten ore-forming peak occurred in the Yanshanian period,and the proven accumulated WO 3 reserves formed during this period account for 78.78% of the total proven reserves of Hunan Province.

关 键 词：成矿区带 控矿因素 定量分析 成矿密度 成矿强度 钨矿 湖南 

分 类 号：P628.1[天文地球—地质矿产勘探] P618.67[天文地球—地质学]