准噶尔盆地西北缘二叠系风城组硅质岩地球化学特征及成因*
高媛, 王国芝, 李娜

Geochemical features and origin of siliceous rocks of the Permian Fengcheng Formation in the northwestern margin of Junggar Basin
Gao Yuan, Wang Guo-Zhi, Li Na
硅质岩Al-Fe-Mn三角图(底图据 黄华等,2013 )