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碎屑岩沉积特征 A—泥质撕裂变形构造,J4井,1321.30~1321.45,m;B—泥质碎屑—变形构造,夹浅灰色泥质粉砂岩条带,H12井,2046.22~2046.46,m;C—泥岩撕裂屑,H12井,2041.43~2041.62,m;D—泥质碎屑—变形构造,J4井,1448.17~1448.32,m;E—泥质碎屑构造,H133井,1915.92~1916.04,m;F—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: 泥岩碎屑; PY: 黄铁矿结核;CV: 方解石脉