鄂尔多斯盆地上三叠统延长组长9油层组沉积相及其演化<sup>*</sup>

鄂尔多斯盆地上三叠统延长组长9油层组沉积相及其演化^*

付金华^1,^2,³, 李士祥^2,³, 刘显阳^2,³, 邓秀芹^2,³

Sedimentary facies and its evolution of the Chang 9 interval of Upper Triassic Yanchang Formation in Ordos Basin

Fu Jinhua^1,^2,³, Li Shixiang^2,³, Liu Xianyang^2,³, Deng Xiuqin^2,³

鄂尔多斯盆地东北部XN 255井长9油层组沉积相综合柱状图