低可容空间浅水三角洲沉积层序及聚煤模式:以渤海湾地区下二叠统山西组为例*
常嘉1, 陈世悦1, 王琼2, 蒲秀刚3, 杨怀宇4

Sequence stratigraphy and coal accumulation of shallow water delta systems under low accommodation conditions: a case study from the Lower Permian Shanxi Formation in Bohai Bay region
Chang Jia1, Chen Shi-Yue1, Wang Qiong2, Pu Xiu-Gang3, Yang Huai-Yu4
渤海湾地区下二叠统山西组低可容空间浅水三角洲不同类型体系域内砂体形态差异 a—砂体横向延伸较广,水下分流河道微相,淄博博山剖面;b—砂体呈小型透镜体,砂体间发育泥质夹层,水下分流间湾微相,秦皇岛石门寨剖面;c—砂体呈大型孤立透镜状,分流河道微相,秦皇岛石门寨剖面