高精度磁测在吉林辉南石棚沟金矿区找矿中的应用  

Application of high-precision magnetic survey for prospecting in Shipenggou Gold District in Huinan,Jilin Province

作　　者：谢天月 杨言辰[1] 韩世炯[1] 韩梓衡 于秋阳 Xie Tianyue;Yang Yanchen;Han Shijiong;Han Ziheng;Yu Qiuyang(College of Earth Sciences,Jilin University)

机构地区：[1]吉林大学地球科学学院

出　　处：《黄金》2024年第1期69-74,共6页Gold

基　　金：中国地质调查局项目(DD20190159)。

摘　　要：高精度磁测结果包含着丰富的浅部、深部地质信息,有助于了解目标物磁性变化,确定深部隐伏岩体、构造和蚀变矿化带的分布,能够准确反映成矿地质体及物性结构面的各种信息,是一种常用的金矿床间接找矿方法。通过对石棚沟金矿区高精度磁测数据的解译,确定不同深度成矿地质体特征、不同方向构造特征和矿化蚀变带产状。石棚沟金矿区矿体受杨家店组、三道沟组地层,以及断裂与深部成矿岩体综合控制。分析控矿因素与提取地质、物化探找矿标志,对不同蚀变矿化带进行评价,为后续工作的展开提供支持。The high-precision magnetic survey results contain rich shallow and deep geological information,which helps understand the magnetic changes of the target and identify the distribution of deep concealed rock masses,tectonics,and alteration mineralization zones.It can reliably reflect the various information of metallogenic geological bodies and physical structural plane and is a commonly used method for indirect prospecting of gold deposits.Through the processing and interpretation of high-precision magnetic survey data in Shipenggou Gold District,the characteristics of metallogenic geological bodies,tectonic characteristics in different directions,and the occurrence of mineralized alteration zones at different depths were determined.The orebodies of the Shipenggou Gold District are comprehensively controlled by the strata of the Yangjiadian Formation and Sandaogou Formation,as well as the fault structure and deep metallogenic rock mass.The ore control factors are analyzed,geological physical and chemical prospecting indicators are extracted,and different alteration mineralization zones are evaluated to provide support for the follow-up work.

关 键 词：高精度磁测 找矿方向 成矿预测 石棚沟金矿区 结构面 辉南 

分 类 号：TD15[矿业工程—矿山地质测量] P618.51[天文地球—矿床学] P631[天文地球—地质学]