Soil Geochemical Characteristics and Prospecting Prediction in Sanyu Area, Li County, Gansu Province

LIU Yongsheng; LUO Xianrong; CAO Baidi; LIU Xiujuan; LIU Panfeng; LIANG Ming; GUO Jiaxin; YANG Qingsong; SHI Jialei

doi:10.12401/j.nwg.2023106

Northwestern Geology > 2023 > 56(6): 340-351. > DOI: 10.12401/j.nwg.2023106

LIU Yongsheng, LUO Xianrong, CAO Baidi, et al. Soil Geochemical Characteristics and Prospecting Prediction in Sanyu Area, Li County, Gansu Province[J]. Northwestern Geology, 2023, 56(6): 340-351. DOI: 10.12401/j.nwg.2023106

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Soil Geochemical Characteristics and Prospecting Prediction in Sanyu Area, Li County, Gansu Province

1.
College of Earth Science, Guilin University of Technology, Guilin 541004, Guangxi, China
2.
Gansu Non−Ferrous EngineeringExploration & Research Institute, Tianshui 741024, Gansu, China
3.
Xi’an Center of China Geological Survey, Xi’an 710119, Shaanxi, China
4.
514 Brigade of North China Geological Exploration Bureau, Chengde 067000, Hebei, China
5.
MineralResources Exploration Center, Zhengzhou Geological Bureau, Zhengzhou 450000, Henan, China

More Information

Received Date: June 17, 2022
Revised Date: April 09, 2023
Available Online: October 31, 2023

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Abstract

Abstract

Sanyu area is located in the Yawan−Daqiao gold−antimony ore belt of Gansu Province, which belongs to the national integrated exploration, and has the metallogenic conditions and prospecting potential of gold, antimony, copper and other polymetals. In order to further improve the geological prospecting work, 1∶25000 soil geochemical survey was carried out in the research area. Based on the original data of Au, Ag, Cu, Pb, Zn, Ni, Sb, Bi and Hg elements, fractal characteristics, coefficient of variation, coefficient of concentration and other methods, The basic data of 9 elements were statistically analyzed, and the spatial enrichment status and distribution trend of elements were analyzed. The results showed that Pb, Zn, Sb and Au had certain prospecting indexes, SPSS 25 was used for clustering and factor analysis of 9 elements, and three combination elements were divided into F1 (Ag−Pb−Zn−Sb), F2 (Au−Cu−Ni−Bi) and F3 (Hg). The lower limit of element combination anomaly was obtained by contrast anomaly method, and according to software Sufer. The factor score anomaly map of 13 combination elements was made, and a total of 4 prospecting prospects were delineated, which provided a basis for further geological prospecting and reduction of prospective areas.
- soil geochemistry,
- fractal,
- abnormal combination,
- prospecting prediction,
- Sanyu region

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References

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Soil Geochemical Characteristics and Prospecting Prediction in Sanyu Area, Li County, Gansu Province