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Research advances on lithosphere rheological structure

LI Zhi-yong, ZENG Zuo-xun (Faculty of Earth Sciences,China University of Geosciences,Wuhan 430074,China ;Huazhong Tectono-mechanical Research Center,Wuhan 430074,China)  
Great progress have been made in research of lithosphere rheology. The Chinese scientists have also obtained many achievement in lithosphere thermostructure,intension section,basin rheological evolution and structural rheology gauges. The geothermal state, composition and structure of the lithosphere determine its rheological property and total strength. The geothermal state can be determined from heat flow of the earth's surface,and the composition and thermodynamic structure can be speculated through geophysical data,so regional changes of lithosphere rheological property can be obtained. The spatial variation of lithosphere rheological property produces structural weak zones where deformation easily happened. The lithosphere rheological and thermodynamics property reflected by total strength is also of great effect on forming of basins,they determine the deformation position and geometrical shape and pattern of basins. Rheology gauges can be used to study rheological texture and rheological evolution of geological bodies of different scales.
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