strata behaviors

例句：

1. 1. The geologist is analyzing the strata to determine the age of the rocks.
   地质学家正在分析地层，以确定岩石的年龄。
2. 2. The mineral deposits are found in the strata of the earth's crust.
   矿床存在于地球地壳的地层中。
3. 3.The strata are being studied for their potential as a new source of energy.
   地层正被研究作为新的能源来源的可能性。