Ithasbeenshownfrompetrologic,geochemical,traceelementandREEevidencethatthegran-iteintrusionsatSikongshan,AnhuiProvince,canbeassignedtotwodistincttypeswhichareradicallydifferentinageandorigin.ThePrecambriangneissicgranitedresultedfromremeltingofoldcontinentalcrustwhiletheMesozoicgraniteswerederived,alsothroughremelting,fromlow-Rb/Srrocksatgreaterdepths.GranitemassesatTiantangzhaiandZhoujiawanintheDabieshanMountainsarealsodicussed.