简介:AnanalysisofseismicdataobtainedthroughacableroutesurveystartingfromtheQingdaocoasttooffshorehasdeterminednineseismicunitssinceLatePleistocene.CorrelationoftheseismicdatawithBoreholeHi2confirmsthreeeustaticeventsthatoccurredduringtheLateQuaternaryandformedterrestrialunits2,5and7.Atthelowsealevelstage,paleo-rivershighlydeveloped,erodedpreviousstrata,formedpaleo-valley,andleftmaterials.