CENOZOICGEOLOGYOFTHEWENHO-SSUSHUIDISTRICTOFCENTRALSHANTUNG

1.SyclinalwarpingattheendoftheCretaceoustime?(PhaseⅢofYenshanMovement?).Intermontsedimentation.DepositionofthelowerandmiddleportionsoftheKuanchuangSeriesduringtheEocene(andearlyOligocene?)time.2.Block-faultingandprogressivetiltingduringthelateOligocenetime(NanlingMovement).Accumulationofthe"bajadabreccias"incon-nectionwiththefaultingandtheinaugurationoftheTanghsienconsequentdrainagesystem.3.TanghsienerosiontofullmaturityduringtheMiocenetime.4.Prolongedperiodofchemicalweathering.Fossilsoilswithmanganese-ironpisolitesandkarstsurfacesformed(Pliocene).5.Depositionofgravels(LatePliocene?).6."Zerosion"ofmoderatedissectionfollowedbytheaccumula-tionoftheConcretionaryReddishLoams(LowerPleiscene).7.Chingshuidissectionalongoldlines,followedbythedepositionofbrownish-grayloamsandloessoftheMalanepoch(UpperPleistocene).8.Presentcycleoferosionanddeposition.