沉积盆地底部及周边的构造活动必然会引起盆地沉积充填特征及演化发生变化，这些沉积特征变化是沉积地层对构造活动响应的记录。根据测井解释、野外露头等资料，采用古地理和沉积相恢复的方法，对盆地中晚侏罗世-早白垩世沉积演化规律深入分析。研究表明，盆地南部发育多期次冲积扇相、河流-三角洲-湖泊和沙漠相沉积体系，出现沉积东西分异，沉积中心由东向西迁移。这一时期盆地主要受控于燕山运动影响，盆地周边发生了强烈的构造活动，盆地内部形成了东部抬升倾斜、西部下沉坳陷的构造格局。盆地西缘强烈的构造活动还导致了晚侏罗世芬芳河期西南缘发育陆内前陆盆地以及晚侏罗世和早白垩世等多套磨拉石建造和不整合接触。根据以上认识建立了中晚侏罗世-早白垩世构造沉积演化模式图，这些沉积事件的发生是对燕山运动早中期的响应记录，证明了沉积演化与秦祁造山带和吕梁隆起之间有着密切的关系。这些认识不止是对燕山运动时期盆地南部构造-沉积响应理论的补充完善，同时对盆地南部油气和铀矿等矿产资源的勘探开发具有现实意义。

The tectonic activities at the bottom and surrounding the sedimentary basin will inevitably lead to changes in the sedimentary filling characteristics and evolution of the basin. These changes serve as records of the sedimentary strata's response to tectonic activities. Based on logging interpretation and outcrop data, the sedimentary evolution of the Middle and Late Jurassic to Early Cretaceous in the Ordos Basin was analyzed through paleogeography and sedimentary facies restoration. The results indicate that the southern part of the basin developed multi-phase depositional systems, including alluvial fan, river-delta-lake, and desert phases. There was a sedimentary divergence from east to west, with the sedimentary center migrating from east to west. During this period, the basin was primarily influenced by the Yanshan Movement, with strong tectonic activities occurring around it. Consequently, a tectonic pattern emerged within the basin, characterized by uplifting and tilting in the east and sinking and depression in the west. The intense tectonic activities at the western edge of the basin also led to the development of an intralittoral foreland basin at the southwestern edge during the Late Jurassic Fenfanghe Stage. Additionally, multiple sets of molasse formations and unconformity contacts were present during the Late Jurassic and Early Cretaceous periods. Based on these insights, a model map of the Middle and Late Jurassic to Early Cretaceous tectono-sedimentary evolution has been established. The occurrence of these sedimentary events serves as a record of the basin's response to the early and middle stages of the Yanshan Movement, proving a close relationship between sedimentary evolution and the uplift of the Qinling-Qilian Mountain orogenic belt and the Lvliang Mountains. These insights not only complement and improve the theory of tectonic-sedimentary response in the southern basin during the Yanshan Movement but also have practical significance for the exploration and development of mineral resources such as oil, gas, and uranium in the southern basin.