关键词: 陆内前陆盆地, 构造回剥曲线, 压实校正, 胶结校正, 造山冲断楔, 时间段曲线

Abstract: The basin between orogenic belt and craton is called foreland basin. However, in a sense it has been expanded in the last few years because of development of the intracontinental orogenic theory. The authors suggest that the basin which is located at the front of the intracontinental orogenic belt may also be called foreland basin or intracontinental foreland basin because it can be analogic with the typical foreland basin. The thrusting of the orogenic belt onto the foreland area is an indicator of the tectonic response to lithosphere in foothill, and therefore, the subsidence(foreland basin) and the nearby uplift(Mountain) are formed. Besides common features, each foreland basin has some local features differing from the influence of the basement character, tectonic setting, thrusting of orogenic belt, growing rate of denudation and sedimentation, and open extent of the basin. The newestapproach of the study is the balanced relationship in foreland basin reflectedby the tectonic regime and sedimentation between thrusting of the orogenic belt and the foreland basin, shown by the curve of the corrected tectonic stripping, time step and rate of sedimentation. The Kuche intracontinental foreland basin, located at southern foothill of south Tianshan is a typical closed system for this type of tectonsedimentary tary processes The studyno the Kuche intracontinental foreland basin using the methods mentioned above shows that corrected curves of the tectonic stripping can describe the thrusting and subsidence accurately. Those results of the study could be valuable for evaluation of the oilbearing reservoir and structural trap based on the regional geological evidences in the Kuche intracontinental foreland basin.

Key words: intracontinental foreland basin, curve of tectonic stripping, compaction correction, cementation correction, thrust sheet, time step curve