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TheNanlingMountains,atlatitude23.5"-25.5"N,isafamousnonfcrrousmctalzoneinChina’ItissituatedatthejuncturcofGuangdong,GuangalandHunan,runningcasttowestingencral.TlicrcarefourclcmentsformingthcNanlingMountains’Extcndingfromeasttowcst,oneisgranitcfo