Chinese Science Bulletin

, Volume 45, Issue 19, pp 1808–1813 | Cite as

Terrestrial heat flow in Junggar Basin, Northwest China

  • Shejiao Wang
  • Shengbiao Hu
  • Tiejun Li
  • Jiyang Wang
  • Wenzhi Zhao
Notes

Abstract

Based on temperature logs of 117 boreholes and thermal conductivity of 119 rock samples, the first group of 35 heat flow data in the Junggar Basin are presented. The thermal gradients vary between 11.6 and 26.5°C/km, and the thermal conductivity changes from 0.17 to 3.6 W/mK. Heat flow ranges from 23.4 to 53.7 mw/m2 with a mean of (42.3±7.7) mW/m2. The heat flow pattern shows that heat flow is higher in the uplifts and lower in the depressions. The factors affecting the heat flow and its distribution include basin type, basement structure, sediment thickness, radioactive heat generation, etc. The overall low present-day heat flow in the Junggar Basin reflected its tectonothermal evolution characterized by lithospheric thickening, thrust and fault at shallow crust as well as consequently quick subsidence during the Late Cenozoic.

Keywords

geothermal gradient thermal conductivity terrestrial heat flow Junggar Basin 

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Copyright information

© Science in China Press 2000

Authors and Affiliations

  • Shejiao Wang
    • 1
    • 2
  • Shengbiao Hu
    • 1
  • Tiejun Li
    • 1
  • Jiyang Wang
    • 1
  • Wenzhi Zhao
    • 2
  1. 1.Institute of Geology and GeophysicsChinese Academy of SciencesBeijingChina
  2. 2.Research Institute of Petroleum Exploration and DevelopmentCNPCBeijingChina

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