兴义某铀矿土壤氡气特征及其找矿应用

doi:10.11720/wtyht.2025.1459

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Abstract

This study aims to further clarify the characteristics of uranium deposits and faults in a uranium mining area in Xingyi City, thereby laying a solid foundation for subsequent drilling operations. Soil radon measurements were conducted using the FD216 environmental radon meter. The data obtained were analyzed comprehensively to determine the content and distribution of radon in the soil, delineate the anomaly halos of soil radon, and refine the properties of concealed faults. Furthermore, the metallogenic characteristics of uranium deposits were examined, combined with geological and geochemical exploration data. This study revealed a strong correlation between soil radon content and fault strike. The most significant radon anomaly zones are located in the southwest and central-northeast sides. Uranium deposits in the study area occur in fault fracture zones and are associated with strata. The uranium exploration target might be located within the fault zone in the first member of the Middle-Lower Triassic Jialingjiang Formation.

Key words： soil radon measurement energy spectrum ²¹⁰Po fault uranium deposit

Received: 26 November 2024 Published: 07 August 2025

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	Articles by authors
	Jun-Yi CHENG
	Song PENG
	Yun-Fei FAN
	Ping LU
	Xiu-Wang CHEN

Cite this article:

Jun-Yi CHENG,Song PENG,Yun-Fei FAN, et al. Characteristics and prospecting application of soil radon in a uranium mining area, Xingyi City, China[J]. Geophysical and Geochemical Exploration, 2025, 49(4): 810-817.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2025.1459 OR https://www.wutanyuhuatan.com/EN/Y2025/V49/I4/810

The geological schematic map of the study area

Distribution map of soil radon content in the whole study area

Distribution map of radon content in soil after different strata treatment

Logarithmic background values and standard deviations of different strata in the study area

Soil radon content map

Soil radon anomaly map

Comprehensive profile of soil radon, ²¹⁰Po, energy spectrum and geology in the study area at 15-15'

Comprehensive profile of soil radon, ²¹⁰Po, energy spectrum and geology in the study area at 223-223'

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