multidisciplinary stratigraphy

英 美
  • 地层学
    1. Stratigraphy studies the sequence of the rocks in the earth's crust.
      地层学研究地壳中岩石的层序。
    2. From the view of stratigraphy, they all belong to the Cretaceous period.
      从地层学上看,它们都属于白垩纪。