Aim To discuss the characteristic of high-resolution sequence stratigraphy of member 6 of Yanchang Formation,Upper Triassic in Yujiawan area,Zichang,Ordos Basin.

• 目的探讨鄂尔多斯盆地子长地区上三叠统延长组长6段基准面旋回层序的识别方法、结构特征、变化规律及成因机理。