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段深湖相泥质沉积特征 a—泥岩中含炭化碎屑,组分由黏土矿物和泥级碎屑组成,N228井,1745.55m,(-);b—油页岩中含大量粉砂及鱼骨化石碎屑,N228井,1764.15m,(-);c—具发育的显微层理构造,其中含球粒状黄铁矿,具层间缝,N228井,1749.70m,(-);d—草莓状黄铁矿, N228井,1764.15m,扫描电镜