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Geochemical Characteristics of Hydrothermal Volatiles From Southeast China and Their Implications on the Tectonic Structure Controlling Heat Convection
Tian, Jiao1,2,3; Li, Yiman2,3; Zhou, Xiaocheng1; Pang, Zhonghe2,3; Li, Liwu4; Xing, Lantian4; Li, Zhongping4
2021-11-30
Source PublicationFRONTIERS IN EARTH SCIENCE
Volume9Pages:13
AbstractHot springs and igneous rocks are present widely in southeast China, influenced by the subduction of the Western Pacific and Philippine Sea Plates. This study reports on new data of chemical compositions and He-Ne-C isotopes for gas samples from representative hot springs and wells in the Guangdong and Fujian provinces to identify the origin of hydrothermal volatiles and provide insight into geothermal tectonic affinities. The primary hydrothermal volatile component from southeast China is atmospheric N2, with a volumetric percentage of 82.19%-98.29%. It indicates medium-low temperature geothermal systems where geothermal fluids suffered a shallow circulation in closed fracture systems. Low CO2 and CH4 contents and their depleted delta 13C values confirmed the small number of deep-derived components in the study area. However, spatially discernible geochemical characteristics imply enhanced hydrothermal fluid convection in the adjacent area of the two provinces, including the Fengshun, Zhangzhou, Longyan, and Sanming geothermal fields. Specifically, the He-Ne isotopes from this area exhibit mantle He contribution of more than 10% and mantle heat flow accounts for more than half of the total heat flow. Moreover, according to the thermal background calculations, the highest heat flow value of 77.7 mW/m(2) is indicated for the Zhangzhou geothermal area and the lowest value of 54.7 mW/m(2) is indicated for the Maoming geothermal area. Given the epicenter distributions and the corresponding earthquake magnitudes, the NE-trending faults are heat-control tectonic structures and their intersections with the NW-trending faults provided expedite channels for geothermal fluids rising to the surface. Therefore, the preferred development potential of geothermal resources can be expected in the adjacent area of the two provinces where two sets of active faults crossed. This study provides critical information on understanding the geothermal distribution controlled by the tectonic structure in southeast China.
KeywordSoutheast China geothermal gas heat-control structure thermal background hot springs
DOI10.3389/feart.2021.786051
Funding OrganizationNational 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration
WOS KeywordTENGCHONG VOLCANIC FIELD ; ISOTOPIC COMPOSITION ; FLUID GEOCHEMISTRY ; GEOTHERMAL SYSTEMS ; GAS GEOCHEMISTRY ; HELIUM-ISOTOPES ; FAULT ZONE ; FLOW ; SUBDUCTION ; ORIGIN
Language英语
Funding ProjectNational Key R&D Program of China[2019YFC0604901] ; National Natural Science Foundation of China[41902252] ; National Natural Science Foundation of China[41673106] ; National Natural Science Foundation of China[42073063] ; National Natural Science Foundation of China[4193000170] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2018IEF010104] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2019CSES0104] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2020IEF0604] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2020IEF0703] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2021IEF0602] ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration[2021IEF0101]
Funding OrganizationNational 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration ; Special Fund of the Institute of Earthquake Forecasting, China Earthquake Administration
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000731678200001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/103925
Collection页岩气与地质工程院重点实验室
兰州油气中心
Corresponding AuthorZhou, Xiaocheng
Affiliation1.China Earthquake Adm, Inst Earthquake Forecasting, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geol Engn, Beijing, Peoples R China
4.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Petr Resources Res, Lanzhou, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tian, Jiao,Li, Yiman,Zhou, Xiaocheng,et al. Geochemical Characteristics of Hydrothermal Volatiles From Southeast China and Their Implications on the Tectonic Structure Controlling Heat Convection[J]. FRONTIERS IN EARTH SCIENCE,2021,9:13.
APA Tian, Jiao.,Li, Yiman.,Zhou, Xiaocheng.,Pang, Zhonghe.,Li, Liwu.,...&Li, Zhongping.(2021).Geochemical Characteristics of Hydrothermal Volatiles From Southeast China and Their Implications on the Tectonic Structure Controlling Heat Convection.FRONTIERS IN EARTH SCIENCE,9,13.
MLA Tian, Jiao,et al."Geochemical Characteristics of Hydrothermal Volatiles From Southeast China and Their Implications on the Tectonic Structure Controlling Heat Convection".FRONTIERS IN EARTH SCIENCE 9(2021):13.
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