IGGCAS OpenIR  > 页岩气与地质工程院重点实验室
Chemical and isotopic constraints on the origin of saline waters from a hot spring in the eastern coastal area of China
Hao, Yinlei1,2,3; Pang, Zhonghe1,2,3; Kong, Yanlong1,2,3; Tian, Jiao1,2,3; Wang, Yingchun4; Liao, Dawei1,2,3; Fan, Yifan1,2,3
2020-06-22
Source PublicationHYDROGEOLOGY JOURNAL
ISSN1431-2174
Pages19
AbstractThe Jimo hot spring in Shandong Peninsula, China, is a typical coastal geothermal system. The geothermal water has a very high salinity (10.8 g/L) and the origin of the salt is key to utilization of this geothermal resource. A systematic investigation of the hydrochemistry and isotopes (delta B-11,Sr-87/Sr-86, delta O-18, delta D,(13)C(DIC)and(14)C(DIC)) of water from 14 geothermal wells was conducted. The results show that the geothermal waters from the high-temperature center and eastern part of the geothermal field are Cl-Na center dot Ca-type waters with Br/Cl (8 x 10(-4)-1.0 x 10(-3)), Na/Cl (0.63-0.70) and delta B-11 values (15.9-17.2 parts per thousand) that are lower than those of seawater. The western geothermal waters are dominated by Cl-Na-type waters with Br/Cl and Na/Cl values similar to those of seawater. The depleted delta D and delta O-18 compositions and the corrected(14)C(DIC)age suggest that Jimo geothermal waters are mixtures of late Pleistocene to early Holocene and younger meteoric waters. An improved Br/Cl-Na/Cl diagram, ion mass balance calculations and delta B-11 values indicate that halite and K-salt dissolution and subsequent cation exchange formed the dominant Cl-Na center dot Ca-type geothermal water, and this was then modified into a small amount of Cl-Na-type water in the western area by mixing with minor seawater entrapped in the unconsolidated sediments. The(87)Sr/Sr-86 ratios (0.710613-0.710726) of the geothermal waters reflect water-rock reactions in the sandstone. The improved Br/Cl-Na/Cl diagram, Piper plot and boron isotopic dataset containing saline waters from coastal geothermal systems worldwide further confirm that the salinity in the Jimo geothermal water originated from dissolution of marine evaporites.
KeywordCoastal geothermal system Hydrochemistry Stable isotopes Marine evaporite dissolution China
DOI10.1007/s10040-020-02199-7
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company
WOS KeywordSEAWATER INTRUSION ; GUANGDONG PROVINCE ; FLUID INCLUSIONS ; JIAOLAI BASIN ; SEA-WATER ; DEAD-SEA ; BORON ; BRINES ; GEOCHEMISTRY ; EVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[41877209] ; Jimo Thermal Power Plant Company
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company ; Jimo Thermal Power Plant Company
WOS Research AreaGeology ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000542084700002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/97172
Collection页岩气与地质工程院重点实验室
Corresponding AuthorPang, Zhonghe
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610059, Peoples R China
First Author AffilicationKey Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hao, Yinlei,Pang, Zhonghe,Kong, Yanlong,et al. Chemical and isotopic constraints on the origin of saline waters from a hot spring in the eastern coastal area of China[J]. HYDROGEOLOGY JOURNAL,2020:19.
APA Hao, Yinlei.,Pang, Zhonghe.,Kong, Yanlong.,Tian, Jiao.,Wang, Yingchun.,...&Fan, Yifan.(2020).Chemical and isotopic constraints on the origin of saline waters from a hot spring in the eastern coastal area of China.HYDROGEOLOGY JOURNAL,19.
MLA Hao, Yinlei,et al."Chemical and isotopic constraints on the origin of saline waters from a hot spring in the eastern coastal area of China".HYDROGEOLOGY JOURNAL (2020):19.
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