The eastern part is multi-stages fan delta deposit system witch is controlled by the monocline and step-faultzone and another parts in the area grow alluvial fan system.
东部为单斜、顺向断阶带构造背景控制下的多期次的扇三角洲沉积体系，部分地方发育冲积扇体系。
2
The early faultzone was reconstructed and became dextral right - step Z - type fault during dextral - slip stage.
在右行走滑改造阶段，早期左行右阶断裂带被改造为“Z”型右行右阶断裂带。
3
The diagenesis-porosity evolution history is beneficial to porosity preservation of Shahejie Formation at great depths in the vicinity of Qi'nan fault-stepzone, Bohai Bay.