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《Acta Geoscientica Sinica》 2008-01
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Tectonic Evolution and Mechanism Analysis of Che-Mo Palaeo-uplift in Junggar Basin

YU Fusheng1)AMU Guleng2)YANG Guangda3)MA Baojun4)1)Key Laboratory for Hydrocarbon Accumulation Mechanism,Ministry of Education,University of Petroleum,Beijing 102249;2)NO.115 Geological Brigade of Inner Mongolia Bureau of Geological Survey,Wulanhot,Inner Mongolia 137400; 3)Research Institute of Exploration and Development,Panjin,Liaoning 124010;4)College of Resources,Shijiazhuang University of Economics,Shijiazhuang,Hebei 050031  
The distribution of Che-Mo palaeo-uplift was delineated in detail according to the interpretation of regional seismic reflection profiles and well data.The tectonic evolution of Che-Mo palaeo-uplift can be divided into six stages,namely,initial development stage(J1s),gradual uplift stage(J2x),intense uplift stage(J2t),denudation and alteration stage(J3),embedding stage(K-E),and adjustment and orientation stage(N-Q).Based on tectonic evolution sections and facial belt distribution of Jurassic groups and truncations,the authors studied the relationship between faults and folds involved in the uplifting,which indicates that the mechanism of Che-Mo palaeo-uplift was related to the two dextral compression-shear fault-fold belts on the northern Tianshan range-front and Lunan uplift belt.
【Fund】: 中国石化西部新区勘探指挥部项目《准噶尔盆地构造演化、沉积储层与油气成藏和分布》(编号:XBKT2004KY10-031)资助
【CateGory Index】: P542
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