chorogophic

例句：

1. 1. The study of chorogophic principles is crucial for understanding the Earth's history.
   研究地质学原理对于理解地球历史至关重要。
2. 2.The geologist was fascinated by the discovery of a new layer in the strata.
   这位地质学家对新层在地层中的发现感到着迷。
3. 3.The stratigraphic record reveals how the Earth's crust has been shaped over millions of years.
   地层记录揭示了地球地壳数百万年来是如何被塑造的。