層そう序じょ学がく

noun

stratigraphy

Geological term for the study of rock layers and layering.

• 層そう序じょ学がくは地ち層そうの順じゅん序じょや年ねん代だいを研けん究きゅうする学がく問もんです。

  Stratigraphy is the study of the order and age of rock layers.