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  2. 地质与地球物理研究所
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  4. 中国科学院页岩气与地质工程重点实验室
Geochemical behaviors of rare earth elements in granite-hosted geothermal systems in SE China

文献类型：期刊论文

作者Zhang, Fen2,3; Li, Yiman2,3; Zhou, Xiaocheng1; Huang, Tianming2,3; Tian, Jiao1; Cheng, Yuanzhi2,3; Zhao, Yajing2,3
刊名GEOTHERMICS
出版日期2023-12-01
卷号115页码:19
ISSN号0375-6505
关键词Geothermal systems REEs Seawater mixing effect Salinity mutation REEs speciation
DOI10.1016/j.geothermics.2023.102826
英文摘要Rare earth elements (REEs) are effective indicators in tracking water-rock interactions in the hydrothermal systems. Subject to multiple environmental effects, none a unified conclusion has been achieved to generalize the mechanism of diversifying the REEs in various thermal systems. Low-medium temperature hydrothermal systems occurring in fractured-granite exist widely in South China. However, geochemical behavior of REEs in geothermal water is not well studied though there are lots of REEs deposits. This study focuses on hydro-geochemical characteristics of REEs and constrains from salinity. Results show that the TDS (total dissolved solids) mutation due to transfer of sedimentary environments from coastal to relatively inland areas caused the great differentiation of REEs and their species. When TDS is greater than 1 g/L, Ln3+, LnOH2+, LnSO4+, and LnF2+ (Ln represents REEs) prevail and fractions of them except LnOH2+ are positively correlated with TDS. In contrast, when TDS is less than 1 g/L, LnCO3+and Ln (CO3)2- constitute the most important part and mutually compete in fluids. A positive Eu anomaly is proved to originate primarily from the preferential dissolution of Eu-rich min-erals and the seawater intrusion somewhat contributed to the negative Ce anomaly. This work first proposed the salinity effect on REEs by analysis of the in-situ sampling thermal waters that may have been neglected before and provided a new perspective to comprehensively understand the occurrence and migration mechanisms of REEs in different hydrothermal systems.
WOS关键词PEARL RIVER DELTA ; GUANGDONG PROVINCE ; NATURAL-WATERS ; HYDROGEOCHEMICAL CHARACTERISTICS ; INORGANIC COMPLEXES ; TRACE-ELEMENTS ; REE SPECIATION ; COASTAL-PLAIN ; SPRING WATERS ; FLOW PATH
资助项目National Key R & D Program of China[2019YFC0604901] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-202204] ; Central Public-interest Scientific Institution Basal Research Fund[CEAIEF20220507] ; Central Public-interest Scientific Institution Basal Research Fund[CEAIEF20220213] ; National Nature Science Foundation of China[41673106] ; National Nature Science Foundation of China[42073063] ; National Nature Science Foundation of China[4193000170] ; National Nature Science Foundation of China[U2039207] ; IGCP Project[724]
WOS研究方向Energy & Fuels ; Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:001079022900001
资助机构National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; IGCP Project ; IGCP Project ; IGCP Project ; IGCP Project ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; IGCP Project ; IGCP Project ; IGCP Project ; IGCP Project ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; IGCP Project ; IGCP Project ; IGCP Project ; IGCP Project ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; IGCP Project ; IGCP Project ; IGCP Project ; IGCP Project
源URL[http://ir.iggcas.ac.cn/handle/132A11/110765]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Li, Yiman; Zhou, Xiaocheng
作者单位1.China Earthquake Adm, Inst Earthquake Forecasting, Beijing 100036, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Fen,Li, Yiman,Zhou, Xiaocheng,et al. Geochemical behaviors of rare earth elements in granite-hosted geothermal systems in SE China[J]. GEOTHERMICS,2023,115:19.
APA Zhang, Fen.,Li, Yiman.,Zhou, Xiaocheng.,Huang, Tianming.,Tian, Jiao.,...&Zhao, Yajing.(2023).Geochemical behaviors of rare earth elements in granite-hosted geothermal systems in SE China.GEOTHERMICS,115,19.
MLA Zhang, Fen,et al."Geochemical behaviors of rare earth elements in granite-hosted geothermal systems in SE China".GEOTHERMICS 115(2023):19.

入库方式： OAI收割

来源：地质与地球物理研究所

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