Application of fine detection of hidden disasters in metal mines based on drone airborne transient electromagnetic method

ZhengYu XU, ZhiXin ZHEN, MuYang WU, TingTing NIU, Yan WEN, NengYi FU, ZhiHong FU

Prog Geophy ›› 2026, Vol. 41 ›› Issue (4) : 1943-1952.

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Prog Geophy ›› 2026, Vol. 41 ›› Issue (4) : 1943-1952. DOI: 10.6038/pg2026JJ0285

Application of fine detection of hidden disasters in metal mines based on drone airborne transient electromagnetic method

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Abstract

The hidden geological disasters that occur after mining in mining areas, affected by factors such as site topography and surrounding electromagnetic environment interference, pose challenges to conventional ground geophysical prospecting methods, including difficulties in construction, low efficiency, and poor anti-interference ability. The Drone Airborne Transient Electromagnetic (DATEM) method possesses characteristics of high efficiency, convenient construction, and strong adaptability, offering broad application prospects in the fine detection of concealed disasters. This paper applies the drone airborne transient electromagnetic method to the fine detection of concealed disasters in metal mines for the first time. Firstly, the principle and data processing method of the drone airborne transient electromagnetic method are introduced. The planned terrain-following flight technology is used to ensure field flight safety and signal quality. The nonlinear optimization inversion method can effectively distinguish low-resistance anomalies. Then, the effectiveness analysis of the drone airborne transient electromagnetic method in the detection of concealed disasters in metal mines is carried out. Combined with the results of ground detection methods, it shows that this method is accurate and reliable. Finally, the drone airborne transient electromagnetic method is applied to the detection of concealed disasters in metal mines. Combined with the known data of the mining area, it is concluded that the drone airborne transient electromagnetic method can better distinguish the spatial distribution of concealed disaster bodies such as goaves and ore body enrichment areas. The detection results have high anomaly resolution, and the low-resistance anomaly detail effect is more obvious. The research work provides a fast, efficient, and accurate method and technology for fine detection of concealed disaster bodies.

Key words

Drone airborne transient electromagnetic method / Metal mine / Hidden disaster / Fine detection

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ZhengYu XU , ZhiXin ZHEN , MuYang WU , et al . Application of fine detection of hidden disasters in metal mines based on drone airborne transient electromagnetic method[J]. Progress in Geophysics. 2026, 41(4): 1943-1952 https://doi.org/10.6038/pg2026JJ0285

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