轻型无人机航磁调查系统及在矿产勘查中的应用前景  

The Application Prospect of Light UAV Aeromagnetic Survey in Mineral Exploration

作　　者：张文杰[1] 杨生[1] 郭刚[1] 冀新臣 杨申勇 ZHANG Wenjie;YANG Sheng;GUO Gang;JI Xinchen;YANG Shenyong(China Non-ferrous Metals Resource Geological Survey,Beijing 100012)

机构地区：[1]有色金属矿产地质调查中心,北京100012

出　　处：《矿产勘查》2021年第4期989-999,共11页Mineral Exploration

基　　金：中国地质调查局“矿集区矿产调查及深部找矿预测”项目(编号:DD2019057012)资助。

摘　　要：我国重要金属矿区及外围大多地形复杂,且大部分中高山地区的矿产资源潜力巨大,为克服该类地区地面物探勘查难度大、周期长、精度分辨率低等不利因素,提出了轻型无人机沿地形起伏飞行的测量方式快速获取低空高分辨率航磁数据的方法,结合地面异常查证实现地形复杂地区的快速找矿突破。从已完成的无人机航磁系统的对比试验和勘查应用效果看,新型无人机航磁系统对比传统无人机航磁具有仿地能力强、分辨率精度高以及成本费用低等特点,可以实现复杂山区快速航磁调查、挖掘矿山深部及外围资源潜力,直接为地质找矿服务,具有广阔的应用前景和推广价值。Most of the important metal mining areas and the surrounding terrain is complex,and most of the middle and high mountain areas have huge mineral resources potential.In order to overcome the disadvantages of difficult ground geophysical exploration,long period and low precision resolution in this type of area,this paper proposes a method to quickly obtain low-altitude high-resolution aeromagnetic data using the measurement method of light UAV flying along terrain undulations,combining with the ground anomaly verification work can achieve rapid prospecting breakthroughs in areas with complex terrain.From the comparison test of the completed UAV aeromagnetic system and the effect of survey application,the new UAV aeromagnetic system has the advantages of strong ground simulation ability,high resolution accuracy and low cost compared with the traditional UAV aeromagnetic system.It can realize rapid aeromagnetic surveys in complex mountainous areas,tap the resource potential of deep and peripheral mines,and directly serve geological prospecting.It has broad application prospects and promotion value.

关 键 词：航磁测量 轻型无人机 沿地形飞行 个旧锡矿矿集区 

分 类 号：P631[天文地球—地质矿产勘探]