Distribution characteristics and influencing factors of Selenium in soil from Lianjiang Dam in Huishui County, Guizhou Province

XI Chaozhuang; ZHANG Pengfei; WU Linfeng; YANG Mingtai; FAN Yunfei; XIA Haodong

doi:10.12029/gc20201220002

2024 Vol. 51, No. 2

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Article navigation > Geology in China > 2024 > 51(2): 650-662

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XI Chaozhuang, ZHANG Pengfei, WU Linfeng, YANG Mingtai, FAN Yunfei, XIA Haodong. 2024. Distribution characteristics and influencing factors of Selenium in soil from Lianjiang Dam in Huishui County, Guizhou Province[J]. Geology in China, 51(2): 650-662. doi: 10.12029/gc20201220002

Citation:

XI Chaozhuang, ZHANG Pengfei, WU Linfeng, YANG Mingtai, FAN Yunfei, XIA Haodong. 2024. Distribution characteristics and influencing factors of Selenium in soil from Lianjiang Dam in Huishui County, Guizhou Province[J]. Geology in China, 51(2): 650-662. doi: 10.12029/gc20201220002

Distribution characteristics and influencing factors of Selenium in soil from Lianjiang Dam in Huishui County, Guizhou Province

1.
School of Civil Engineering, Hunan City University, Yiyang 413000, Hunan, China
2.
Hunan Engineering Research Center of Structural Safety and Disaster Prevention for Urban Underground Infrastructure, Yiyang 413000, Hunan, China
3.
Nuclear Resources Geological Survey, Non−ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou, Guiyang 550005, Guizhou, China
4.
Cores and Samples Center of Natural Resources, Yanjiao 065201, Hebei, China

Fund Project: Supported by the projects of Geochemical Survey and Evaluation of Cultivated Land Quality in Guizhou Province (No.2017−03) and Hunan Province Natural Science Foundation of Provincial and Municipal Joint Fund Project (No.2022JJ50277).

More Information

Author Bio: XI Chaozhuang, male, born in 1979, doctor, associate professor, mainly engaged in geological exploration and ecological geochemistry research; E-mail:xczcsummmmmm@126.com
Corresponding author: ZHANG Pengfei, male, born in 1984, senior engineer, mainly engaged in mineral exploration research; E-mail: 52187088@qq.com.

Received Date: 20 December 2020

Revised Date: 20 January 2021

Publish Date: 25 March 2024

Abstract

Abstract

This paper is the result of environmental geological survey engineering.
Objective
Lianjiang Dam is located in Huishui County of Guizhou Province. To find out the Se distribution features of soil in Lianjiang Dam, 337 surface soil samples, 4 soil mother rock samples and 16 soil profile samples were collected, and the contents of Se, nutrient elements and heavy metal elements such as As、Cd、Cr、Cu、Hg、Ni、Pb、Zn were analyzed and determined.
Methods
The contents of Se, nutrient elements and heavy metal elements in the samples from surface soil, soil mother rock and soil profile were compared and the Se distributions features of soil were evaluated based on correlative analysis method.
Results
It showed that the soil in this area were acidic with the contents of Se in the soil from 0.19 to 3.65 mg/kg. The contents of nutrient elements such as P, B and SOM in the soil were high. The average Se values of surface soil of different mother rocks in this area appeared the transformation law: Upper Carboniferous limestone > Middle Permian Maokou Formation limestone > Middle Permian Qixia Formation limestone > Upper Cretaceous Maotai Formation sandstone > Middle Triassic Luolou Formation limestone > Middle Triassic Bianyang Formation clastic rocks. The Se contents of soil profile in this area decreased with the depth deepening.
Conclusion
The Selenium−rich soil is abundant in this area, mainly of medium and high. The area of selenium−rich soil is about 42.94 km². There is a significant positive correlation between Se and SOM, while a significant negative correlation between Se and K₂O, and pH in soil.
- Se /
- soil /
- ecosysterm /
- Maokou Formation limestone (P₂m) /
- Maotai Formation sandstone (K₂m) /
- environmental geological survey engineering /
- Lianjiang Dam /
- Huishui /
- Guizhou Province

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References

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