鄂尔多斯盆地宁县地区三叠系延长组7段湖盆细粒重力流沉积类型、特征及模式*
吕奇奇1, 辛红刚2,3, 王林1, 罗顺社1, 淡卫东2,3, 冯胜斌2,3

Sedimentary types,characteristics and model of lacustrine fine-grained gravity flow in the Member 7 of Trassic Yanchang Formation in Ningxian area,Ordos Basin
LU Qiqi1, XIN Honggang2,3, WANG Lin1, LUO Shunshe1, DAN Weidong2,3, FENG Shengbin2,3
鄂尔多斯盆地宁县地区长7段滑动—滑塌、砂质碎屑流沉积特征 a—见泥岩滑动面,Zh70井,长71,1555.10m;b—穿插的细砂岩注入脉,Zh70井,长72,1605.35m;c—细砂岩底部不平整滑动面,可见泥岩中包卷的砂球,Zh70井,长71,1554.75m;d—洁净块状层理细砂岩,Zh70井,长73,1636.20m;e—不规则状泥岩撕裂屑,N228井,长72,1698.10m;f—近平行排列的泥岩撕裂屑,N228井,长71,1689.70m;g—块状层理细砂岩,见次棱角状泥砾构造,N228井,长71,1686.50m;h—粉砂质细砂岩,见“泥包砾”结构,N228井,长72,1727.90m;i—块状层理细砂岩与上下泥岩呈突变接触,见底部冲刷构造,N228井,长71,1666.98m