Airborne-surface-borehole cooperative exploration technical system for magnetite exploration in areas with thick overburden

WU Chengping; YU Changchun; ZHANG Dishuo; XIONG Shengqing; ZHU Yuzhen; HOU Zheng; GAO Xiuhe

doi:10.12097/gbc.2023.12.042

2025 Vol. 44, No. 6

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WU Chengping, YU Changchun, ZHANG Dishuo, XIONG Shengqing, ZHU Yuzhen, HOU Zheng, GAO Xiuhe. 2025. Airborne-surface-borehole cooperative exploration technical system for magnetite exploration in areas with thick overburden. Geological Bulletin of China, 44(6): 1164-1173. doi: 10.12097/gbc.2023.12.042

Citation:

WU Chengping, YU Changchun, ZHANG Dishuo, XIONG Shengqing, ZHU Yuzhen, HOU Zheng, GAO Xiuhe. 2025. Airborne-surface-borehole cooperative exploration technical system for magnetite exploration in areas with thick overburden. Geological Bulletin of China, 44(6): 1164-1173. doi: 10.12097/gbc.2023.12.042

Airborne-surface-borehole cooperative exploration technical system for magnetite exploration in areas with thick overburden

1.
China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083, China
2.
Key Laboratory of Airborne Geophysics and Remote Sensing Geology, Ministry of Natural Resources, Beijing 100083, China
3.
Shandong Coalfield Geological Planning Investigation Institute, Jinan 250104, Shandong, China
4.
Hebei GEO University, Shijiazhuang 050031, Hebei, China

Fund Project: Supported by China Geological Survey Project (No. DD20221640), ‌Shandong Provincial Geological Survey Project (No.SDGZ(2023)2) and National Key Research and Development Program of China (No. 2017YFC0602201)

More Information

Author Bio: WU Chengping, male, born in 1982, professor senior engineer, mainly engaged in aerogeophysical data processing and integrated interpretation; E−mail: chengpingwu@163.com
Corresponding author: YU Changchun, male, born in 1964, professor senior engineer, mainly engaged in the research of aeromagnetic methods and technologies as well as the interpretation of data; E−mail: bjycc@126.com

Received Date: 28 December 2023

Revised Date: 06 April 2024

Publish Date: 15 June 2025

Abstract

Abstract

Objective
As an important part of deep prospecting, magnetite exploration in areas with thick overburden has some problems such as low exploration level, weak geophysical signals and huge prospecting difficulties. It is urgent to try and form an effective exploration technology system.
Methods
This paper employs multi−dimensional and multi−method airborne−surface−borehole exploration means, uses multi−source information and a step−by−step approach, which is: prospecting area——airborne−geophysical methods——surface geophysical methods and verification borehole——airborne−surface−borehole joint inversion——drilling. Key technologies such as airborne−surface−borehole exploration technique, extracting technique for integrated geological prospecting information, lithologic structural mapping and prospecting target delineating technique, airborne−magnetic and gravity joint inversion based on multi−information, 3D geological−geophysical modeling approach are used.
Results
In response to the characteristics of ore prospecting in areas with thick overburden, an airborne−surface−borehole cooperative exploration technical system for magnetite in such areas has been established. Magnetite has been found in several new boreholes following this technical system. The application of this technology system in Shandong Qihe demonstration area with thick overburden has improved the prospecting effect and achieved a breakthrough in high-grade magnetite ore prospecting.
Conclusions
This technical system, taking advantage of airborne−surface−borehole cooperative exploration, provides theoretical and technical support for magnetite prospecting in areas with thick overburden, and also provides reference for prospecting other types of deposits in similar areas.
- areas with thick overburden /
- technical system /
- airborne magnetic & gravity method /
- mineral exploration engineering /
- magnetite

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References

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