Borehole Temperature Logging and Terrestrial Heat - Flow Distribution in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:PlaceName w:st="on">Jianghan</st1:PlaceName> <st1:PlaceType w:st="on">Basin</st1:PlaceType></st1:place><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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AN style="COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-bidi-font-weight: bold" lang=EN-US>an">Borehole Temperature Logging and Terrestrial Heat ana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-bidi-font-weight: bold; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>-an">weight: bold" lang=EN-US> Flow Distribution in Jianghan Basinang=EN-US>

详细信息

责任者：Xu Ming (Institute of Geology and Geophysics ; Chinese Academy of Science ; Beijing 100029 ; China) ; Zhao Ping
刊名：Chinese Journal of Geology
出版年：2010
卷期：45(1)
关键词：地温梯度 ; geothermal gradient ; 热流 ; heat flow ; 江汉平原 ; Jianghan Plain
页码：p.317-323
图表：4 illus., 2 tables, 15 refs.
分类号：0400
issnNo：ISSN0563-5020
isbnNo：CN11-1937/P

摘要

AN style="COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt" lang=EN-US>an">Based on the newly obtained borehole steady temperature data from 9 holes together with thermal conductivities of 124 core samplesansi-font-family: ’Times New Roman’; mso-ascii-font-family: ’Times New Roman’">，ang=EN-US>an">the authors analyze the distribution of geotemperature and terrestrial heat flow in Jianghan Basin. The present temperature gradients vary from 28ana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>.ang=EN-US>an">36 to an">39ana; mso-hansi-font-family: ’Times New Roman’">.an">32 ℃an">/kmansi-font-family: ’Times New Roman’; mso-ascii-font-family: ’Times New Roman’">，an">ang=EN-US>lower temperature gradients is observed in the Cenozoic Basin margin and higher gradients are obtained in the Cenozoic Basin. The determined thermal conductivity values vary from 0ana" lang=EN-US>.ang=EN-US>882 to 6ana" lang=EN-US>.ang=EN-US>78 W/mansi-font-family: ’Times New Roman’; mso-ascii-font-family: ’Times New Roman’">·K and the calculated heat flow values in Jianghan Basin range from 41ana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>.ang=EN-US>an">9 to 60ana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>.an">ang=EN-US>9 ana" lang=EN-US>ang=EN-US>mW/m²ansi-font-family: ’Times New Roman’; mso-ascii-font-family: ’Times New Roman’">，ang=EN-US>an">with a average of 52ana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>.an">ang=EN-US>3 ana" lang=EN-US>ang=EN-US>mW/m². It shows that the influence of tectonoana; COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 0pt; mso-hansi-font-family: ’Times New Roman’" lang=EN-US>-ang=EN-US>an">thermal event before Cenozoic in Jianghan Basin has faded awayansi-font-family: ’Times New Roman’; mso-ascii-font-family: ’Times New Roman’">，an">ang=EN-US>and the basin has cooled down.ang=EN-US>

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