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Present-day geothermal characteristics of the Ordos Basin, western North China Craton: new findings from deep borehole steady-state temperature measurements
Gao, Peng1,2,3; Qiu, Qianfeng1,2,3; Jiang, Guangzheng1,2,3; Zhang, Chao1,2,3; Hu, Shengbiao1,3; Lei, Yuhong1,3; Wang, Xiangzeng4
2018-07-01
发表期刊GEOPHYSICAL JOURNAL INTERNATIONAL
ISSN0956-540X
卷号214期号:1页码:254-264
摘要Heat flow and associated thermal regimes are related to the tectonic evolution and geophysical properties of the lithosphere. The Ordos Basin is located in a tectonic transitional zone: areas to the east of the basin are characterized as tectonically active, while regions to the west of the basin are characterized as tectonically stable. It is of general interest to learn the geothermal characteristics of the basin in such tectonic conditions. To clarify the spatial variability of the present-day geothermal field across the basin and its implications, we report 13 terrestrial heat flow points based on the first systematic steady-state deep borehole temperature measurements in the basin. The new data together with existing data show that the geothermal gradients in the basin range from 12.6 to 42.3 degrees C km(-1) with a mean of 27.7 +/- 5.3 degrees C km(-1); the terrestrial heat flow values range from 43.3 to 88.7 mWm(-2) with a mean of 64.7 +/- 8.9 mWm(-2). Such values are higher than those of typical cratonic basins and lower than those of tectonically active areas. By using all these data in the basin and adjacent areas, we plot geothermal gradient and heat flow distribution maps. The maps reveal that the basin is cooling westwards and northwards. The distribution pattern of the geothermal field is consistent with the lithospheric thickness variation in the basin. This similarity suggests that the geothermal spatial variability of the Ordos Basin is mainly influenced by heat from the deep mantle. In the southeastern basin, we locate a positive geothermal anomaly caused by the convergence of heat flow in basement highs and the high radiogenic heat production. In addition, the high heat flow in the eastern basin is related to the intense uplift during the Cenozoic Era.
关键词Heat flow Asia Cratons Heat generation and transport
DOI10.1093/gji/ggy127
资助者Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program
关键词[WOS]HEAT-FLOW DATA ; CENOZOIC LITHOSPHERIC EVOLUTION ; SINO-KOREAN CRATON ; BOHAI BAY BASIN ; CHANG 7 MEMBER ; THERMAL STRUCTURE ; CONTINENTAL AREA ; TECTONIC IMPLICATIONS ; LATERAL VARIATIONS ; TIBETAN PLATEAU
语种英语
资助项目Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS)[XDB10010505] ; Shaanxi Science & Technology Co-ordination & Innovation Project[2012KTZB03-03-01-01] ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program[UCAS[2015]37]
资助者Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (SPRP) of the Chinese Academy of Sciences (CAS) ; Shaanxi Science & Technology Co-ordination & Innovation Project ; Shaanxi Science & Technology Co-ordination & Innovation Project ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program ; University of Chinese Academy of Sciences (UCAS) Joint PhD Training Program
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000448235200018
出版者OXFORD UNIV PRESS
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89138
专题岩石圈演化国家重点实验室
通讯作者Gao, Peng
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.Shaanxi Yanchang Petr Grp CO LTD, Xian 710075, Shaanxi, Peoples R China
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Gao, Peng,Qiu, Qianfeng,Jiang, Guangzheng,et al. Present-day geothermal characteristics of the Ordos Basin, western North China Craton: new findings from deep borehole steady-state temperature measurements[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2018,214(1):254-264.
APA Gao, Peng.,Qiu, Qianfeng.,Jiang, Guangzheng.,Zhang, Chao.,Hu, Shengbiao.,...&Wang, Xiangzeng.(2018).Present-day geothermal characteristics of the Ordos Basin, western North China Craton: new findings from deep borehole steady-state temperature measurements.GEOPHYSICAL JOURNAL INTERNATIONAL,214(1),254-264.
MLA Gao, Peng,et al."Present-day geothermal characteristics of the Ordos Basin, western North China Craton: new findings from deep borehole steady-state temperature measurements".GEOPHYSICAL JOURNAL INTERNATIONAL 214.1(2018):254-264.
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