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《EXPERIMENTAL PETROLEUM GEOLOGY》 1996-03
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THE STRUCTURAL CHARACTERISTICS OFTHE MINHE BASIN

Zhang Huquan;Yang Zhongxuan(Northwest Institute of Geology, CNPC, Lanzhou 730020 )  
Based on analysis of seismic, gravitative and magnetic, and outcrop data, the dualstructures of the Minhe basin were recognized. The basin underwent an early graben stage(before deposition of the Upper Cretaceous) and a later depression stage (after depositionof the Lower Cretaceous). It was an inter-mount fault depression developed during theMeso-Cenozoic. Basement of the basin is a compound one,consisting of the Pre-Cambrianmetamorphic rocks and the granites of the Caledonian fold belts. Six different kinds of localstructural patterns were included in three main structural compositions of shear,overthrustand basement growing.
【CateGory Index】: P618.130.2
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