Based on above, the author point out that the central block of Chenghu-tuditang synclinorium and the southern block of Dangyang synclinorium are the advantageous regions for exploration.
Nanshu graphite deposits, located at the south side of Qixia synclinorium in Jiaodong uplift, exist in Liujiazhuang marble member of Jingqishan formation, Jiaodong group of Archaeozic Erathern.