Koujiacun Formation

例句：

1. 1.The research team is studying the formation of the Koujiacun Formation in the area.
   研究小组正在研究该地区库家村组的形成。
2. 2.The discovery of this ancient site has shed new light on the formation of the Koujiacun Formation.
   这一古代遗址的发现为库家村组的形成提供了新的见解。
3. 3. The Koujiacun Formation is a unique geological feature that has been studied extensively by paleontologists.
   库家村组是一个独特的地质特征，已经被古生物学家广泛研究。