depositional unconformity

例句：

1. 1. The geological survey revealed a significant depositional unconformity in the area.
   地质调查发现该地区存在显著的沉积不整合。
2. 2. The study of sedimentary rocks is crucial for understanding the depositional unconformity.
   研究沉积岩对于理解沉积不整合至关重要。
3. 3.The unconformity is believed to have caused significant changes in the local climate and ecosystems.
   人们认为不整合导致了当地气候和生态系统的显著变化。