sedimentary facies

例句：

1. 1.The study of sedimentary facies is crucial for understanding the geological history of a region.
   研究沉积相对于理解一个地区的地质历史至关重要。
2. 2.The sedimentary facies analysis can provide important insights into the formation process of rocks.
   沉积相分析可以为岩石的形成过程提供重要的见解。
3. 3. The sedimentary facies map shows the distribution of different types of sedimentary rocks in the area.
   沉积相图展示了该地区不同类型沉积岩的分布情况。