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<sup>*</sup>

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

准噶尔盆地西北缘凤城组硅质岩La/Sm与Ce/Ce^*相关图