The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.
控制本区有孔虫分布的主要因素是深海碳酸盐溶解作用、水团、海底地形以及残留沉积。
2
There are different sediment origins for Saximiao formation on both east and west sides of work area, shown in the distribution of feldspar content, carbonate rock cuttings and sandbody cycle.
工区东、西两边沙溪庙组具不同的物源沉积，表现在长石含量、碳酸盐岩屑和砂体旋回分布上。
3
Oolite beach carbonate reservoir of Feixianguan Formation in Luojiazhai, NW Sichuan Basin is a platform edge facies sediment with massive thickness and uniform distribution.