Characteristics of geothermal waters in eastern Wugongshan based on hydrogen, oxygen, and strontium isotopes

被引:1
|
作者
Jia, Wuhui [1 ]
Liu, Kai [1 ,2 ]
Yan, Jinkai [1 ]
Zhang, Yaoyao [1 ]
Kong, Qingmin [3 ]
Zhang, Shouchuan [1 ]
Yang, Peng [4 ]
Wang, Luyao [1 ]
机构
[1] Chinese Acad Geol Sci, Beijing 100037, Peoples R China
[2] China Univ Geosci, Sch Water Resources & Environm, Beijing 100081, Peoples R China
[3] Capital Engn & Res Inc Ltd, Beijing 100176, Peoples R China
[4] No 8 Inst Geol & Mineral Resources Explorat Shando, Rizhao 276800, Shandong, Peoples R China
关键词
Geothermal waters; Isotopes; Recharge source; Genetical model; Wugongshan area; STABLE-ISOTOPES; SR ISOTOPE; RESOURCES; GROUNDWATER; RESERVOIRS; SYSTEM; GEOCHEMISTRY; CIRCULATION; EVOLUTION; ENERGY;
D O I
10.1016/j.apgeochem.2023.105874
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
It is crucial to investigate the features of the geothermal waters for sustainable exploitation and utilization. It is rich in low-medium temperature geothermal waters in the Wugongshan area in Jiangxi Province, which is urgent to find out the characteristics of the geothermal waters. This study intends to reveal the genetical model of geothermal waters in the eastern Wugongshan area including recharge source, cyclic evolution, and heat source, based on the methodical analysis of hydrogen, oxygen, and strontium isotopic data. Results show that the precipitation at recharge elevations between 1500 and 2200 m is the main recharge source of geothermal waters in the study area. Precipitation infiltrates deep into the area near the crust and is heated into geothermal fluid. Water-rock interactions occur during deep circulation. In the upwelling process, geothermal waters are mixed with shallow groundwaters at different mixing ratios (17%-74%). Finally, a conceptual model of the geothermal waters is proposed. It can provide some guidance for the development of geothermal waters in the eastern Wugongshan area.
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页数:8
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