乍得Doseo盆地东部坳陷下白垩统Kedeni组层序地层格架与沉积体系分布*
陈宏逵1, 朱筱敏1, 肖坤叶2, 杜业波2, 袁志云2, 张新顺2, 王晓雪3

Sequence stratigraphic framework and sedimentary system of the Lower Cretaceous Kedeni Formation in Eastern Depression of Doseo Basin,Chad
CHEN Hongkui1, ZHU Xiaomin1, XIAO Kunye2, DU Yebo2, YUAN Zhiyun2, ZHANG Xinshun2, WANG Xiaoxue3
Doseo盆地东部坳陷K-E101井Kedeni组正常三角洲典型岩心特征 a—冲刷面,细砂岩之上为含砾粗砂岩,2343.5 m;b—大型槽状交错层理细砂岩,1861.2 m;c—楔状交错层理细砂岩1861.7 m;d—平行层理细砂岩,1860.2 m;e—波状层理细砂岩,1863.2 m;f—变形构造细砂岩,1866.9 m;g—含泥岩撕裂屑粉细砂岩,1865.7 m;h—脉状层理粉细砂岩,1872.57 m;i—透镜状层理粉细砂岩,1872.97 m;j—透镜状层理粉细砂岩,可见小型滑塌变形构造,1871.97 m;k—块状 层理暗色泥岩,2345.3 m;l—纹层发育的暗色泥岩,2348.5 m