The Triassic structure in the east part of North Shaanxi Slope of Ordos Basin is a large smooth westward monocline and characterized by simple structure without folds and faults.
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- 陕北斜坡东部三叠系构造简单,为平缓的西倾单斜,断裂褶皱均不发育,因此该区三叠系油藏的形成和分布一直被认为主要受沉积相控制,油藏类型主要为岩性油藏。