The deformation of the Earth's crust caused by earthquakes is clearly visible in these rocks.

deformation 是由前缀 de-（表示"去除、改变"）和词根 form（"形状"）加上名词后缀 -ation 构成。form 来自拉丁语 forma，意思是"形状、形态"。deformation 的字面意思是"形状的改变"，即"变形"。