鄂尔多斯盆地南部三叠系延长组湖相重力流沉积细粒岩及其油气地质意义
杨仁超1,2, 尹伟3, 樊爱萍1, 韩作振1

Fine-grained, lacustrine gravity-flow deposits and their hydrocarbon significance in the Triassic Yanchang Formation in southern Ordos Basin
Yang Renchao1,2, Yin Wei3, Fan Aiping1, Han Zuozhen1, A. J.van Loon1,4
鄂尔多斯盆地南部三叠系延长组泥质岩变形构造 A—滑塌包卷构造,J4井,1454.32~1454.56,m;B—液化变形构造,夹浅灰色泥质粉砂岩条带,J2井,1319.85~1320.03,m;C—崩塌变形—混合构造,J4井,1437.75~1437.90,m;D—液化变形构造,HH80井,2077.02~2077.21,m;E—崩塌混合—泥质碎屑构造,J4井,1429.42~1429.64,m;F—泥岩碎屑构造,图E局部放大。DM: 暗色泥岩;SM: 粉砂质泥岩;SSDS: 软沉积物变形构造;MS: 泥质粉砂岩; MI: 泥质碎屑;PY: 黄铁矿结核