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Three-dimensional resistivity structure in the hydrothermal system beneath Ganzi Basin, eastern margin of Tibetan Plateau

文献类型：期刊论文

作者Cheng, Yuanzhi1,5; Pang, Zhonghe1,4,5; Di, Qingyun1,2,5; Chen, Xiaobin3; Kong, Yanlong1,4,5
刊名GEOTHERMICS
出版日期2021-06-01
卷号93页码:12
关键词Ganzi Basin Hydrothermal systems Magnetotellurics Resistivity structure Geothermal reservoir Fluid pathway
ISSN号0375-6505
DOI10.1016/j.geothermics.2021.102062
英文摘要The Ganzi geothermal system located in the eastern margin of Tibetan Plateau, is found to distribute the strongly active surface manifestations, such as boiling springs, and fumaroles. The resistivity structure of hightemperature hydrothermal system beneath Ganzi Basin has been obtained from the three-dimensional (3-D) magnetotelluric inversion of 103 broadband MT stations in period range from 320 Hz to 1000s. The MT stations have an average spacing of 500 m and completely cover the Ganzi Basin. The detailed 3-D resistivity structure which the authors found has been described characteristics of the shallow and deep geothermal reservoirs as well as to correlate with the structural features present in the Ganzi Basin. The shallow geothermal reservoir is mainly composed of the sedimentary layer, with a depth of 300-800 m, while the deep geothermal reservoir mainly consists of the fault fracture zone with a depth of 1-5 km. The porosity of the geothermal reservoirs is in the range 5?10 %, estimated based on the resistivity model. The Ganzi fault provides the pathway for transport heat and the circulation of geothermal fluids. The possible heat source for the Ganzi geothermal system has been attributed to tectonic deformation heating in the crust, radiogenic heat production derived from the decay of U, Th and K, and heat from the mantle.
资助项目National Natural Science Foundation of China[41430319] ; National Natural Science Foundation of China[42004060] ; National Key Research and Development Project of China[2019YFC0604901]
WOS研究方向Energy & Fuels ; Geology
语种英语
WOS记录号WOS:000636294200001
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project 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 ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project 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 ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project 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 ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Key Research and Development Project of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/101088]  
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
地质与地球物理研究所_深部资源勘探装备研发
通讯作者Cheng, Yuanzhi; Pang, Zhonghe
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Frontier Technol & Equipment Dev Ctr Deep Resourc, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.China Earthquake Adm, Inst Crustal Dynam, Key Lab Crustal Dynam, Beijing 100085, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Cheng, Yuanzhi,Pang, Zhonghe,Di, Qingyun,et al. Three-dimensional resistivity structure in the hydrothermal system beneath Ganzi Basin, eastern margin of Tibetan Plateau[J]. GEOTHERMICS,2021,93:12.
APA Cheng, Yuanzhi,Pang, Zhonghe,Di, Qingyun,Chen, Xiaobin,&Kong, Yanlong.(2021).Three-dimensional resistivity structure in the hydrothermal system beneath Ganzi Basin, eastern margin of Tibetan Plateau.GEOTHERMICS,93,12.
MLA Cheng, Yuanzhi,et al."Three-dimensional resistivity structure in the hydrothermal system beneath Ganzi Basin, eastern margin of Tibetan Plateau".GEOTHERMICS 93(2021):12.

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来源：地质与地球物理研究所

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