差さ別べつ侵しん食しょく

noun

differential erosion

Geological term referring to the uneven erosion of rock layers due to differences in hardness or resistance.

• 差さ別べつ侵しん食しょくによって、硬かたい岩がん層そうが尾お根ねとして残のこることがある。

  Due to differential erosion, harder rock layers can remain as ridges.