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本文将东祁连逆冲带与鄂尔多斯西南缘晚三叠世前陆盆地相结合,研究了逆冲带内部变形特征,前陆盆地中层序地层格架特征及其反映的盆缘构造性质和幕式逆冲作用。在此基础上,建立了逆冲带与前陆盆地对耦合机制的地质模型和力学模型,并选定参数模拟了前陆盆地沉降和沉积过程。
In this paper, we combine the East Qilian thrust belt with the Late Triassic foreland basin on the southwestern margin of Ordos to study the characteristics of deformation in the interior of the thrust belt, the characteristics of middle-sequence stratigraphic framework in the foreland basin, Type thrust effect. On this basis, the geological model and mechanical model of coupling mechanism between thrust belt and foreland basin are established, and the parameters of sedimentation and sedimentation of foreland basin are simulated.