Research on Location and Prediction Technology of Fluorite Deposits in Shallow Desert Coverage Area

LIU Cheng; TANG Weidong; YANG Kai; LI Han; HE Jinglong; YAO Chuan; LI Xinbin

doi:10.12401/j.nwg.2024042

2024 Vol. 57, No. 4

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Article navigation > Northwestern Geology > 2024 > 57(4): 144-156

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LIU Cheng, TANG Weidong, YANG Kai, LI Han, HE Jinglong, YAO Chuan, LI Xinbin. 2024. Research on Location and Prediction Technology of Fluorite Deposits in Shallow Desert Coverage Area. Northwestern Geology, 57(4): 144-156. doi: 10.12401/j.nwg.2024042

Citation:

LIU Cheng, TANG Weidong, YANG Kai, LI Han, HE Jinglong, YAO Chuan, LI Xinbin. 2024. Research on Location and Prediction Technology of Fluorite Deposits in Shallow Desert Coverage Area. Northwestern Geology, 57(4): 144-156. doi: 10.12401/j.nwg.2024042

Research on Location and Prediction Technology of Fluorite Deposits in Shallow Desert Coverage Area

1.
Xi’an Center of Mineral Resources Survey, China Geological Survey, Xi’an 710100, Shaanxi, China
2.
Technology Innovation Center for Gold Ore Exploration, China Geological Survey, Xi’an 710100, Shaanxi, China
3.
School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China

Received Date: 23 September 2022

Revised Date: 12 July 2023

Accepted Date: 28 August 2023

Publish Date: 20 August 2024

Abstract

Abstract

The Beishan region, located in the northwest of China, is a significant fluorite metallogenic belt. Despite favorable metallogenic geological conditions in the area, the Gobi Desert's shallow cover layers result in minimal outcrops at the surface. Therefore, comprehensive geophysical studies are necessary to explore the regional metallogenetic potentiality and locate mineral veins beneath the cover layers. An example of this exploration is the Huashitou area in the eastern segment of the Beishan metallogenic belt. A combination of high-precision magnetic, induced polarization-resistivity, ground gamma-ray spectrometry, portable X-ray fluorescence analysis, and audio-magnetotelluric (AMT) survey was used for comprehensive exploration. The area-based induced polarization and magnetic methods effectively identified the distribution of hidden mineral-bearing spaces, while ground gamma-ray spectrometry and portable X-ray fluorescence analysis constrained the mineralization anomalies of deposit spaces. The AMT survey established a deep structure model of the occurrence of concealed fluorite deposits, and its validity was evaluated through engineering verification methods. This study establishes a comprehensive geological-geophysical location prediction technique and method combination that can provide theoretical and technical support for the positioning and prediction of fluorite deposits in the Beishan metallogenic belt and shallow cover areas in the Gobi Desert.
- hidden fluorite ore /
- comprehensive geophysical methods /
- gobi desert region /
- shallow covered areas /
- Beishan metallogenic belt

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References

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