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| | Study on the Permian Sequence Stratigraphy of the Youjiang Basin reveals that gravity flow develops during every period of eustatic cycles and it displays individual characteristic internal configuration and genetic framework of sequences.Lowstand is characterized by basin margin downslope miscellaneous lithic turbidites,and gravity flow is relatively less in shelf marginal systems.During transgressive periods,gravity flow is dominated by calcarenaceous clastic flow and its recompos... | | 通过右江盆地二叠系层序地层研究表明,在海平面升降旋回的各个时期,均有重力流的发育,并显示各自特征的层序内部构型和成因格架。低水位期以盆缘-下斜坡混屑浊积岩为特征,陆棚边缘体系域中重力流相对较少;海侵期重力流以钙屑碎屑流及其再改造砂沉积为主;高水位期重力流沉积厚度大、分布广、成因类型丰富,主要以钙屑塌积岩、颗粒流、液化沉积物流、碎屑流及浊流大量发育为特征。 | | 文摘来源 | |   |
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