<正>Uraniumisatypicallithophileelement,havingoutstandinggeo-chemicalcharacteristicsofassociationwhithhighSiO2,peraluminousandmarginallyperalkalicrocks.Inevolutionprocessofallgeologicalhistory,uraniumgatherswithoutinterruptioninuppercrust.Urani-ummineralizationiscloselyrealtedwithevolutioncharacteristicsofthecontinentcrust.1.Itwasnotuntilthecontinentcrustevolvedtocertainmaturedegreethaturaniumbeganmetallization.TheoldesturaniumdepositontheearthoccurredintheDelanshiwa(Kapuwaer)district,which