Geochemical and Sr-Nd isotopic study of alkaline syenites in Liangtun-Kuangdonggou, Liaoning Province, China: Evidence for enriched mantle before 1.86 Ga and implications[J] . Kangxu Ren,Guohan Yan,Jianhui Cai,Baolei Mu,Fengtang Li,Libing Gu,Fengsan Zhao,Zhuyin Chu.Chinese Journal of ...