結晶 けっしょう片岩 へんがんじゃありませんでした
kesshōhenga nja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 結晶片岩

1. Was not a metamorphic rock.; Was not a crystalline schist.

Past/Perfective
Negative
Polite
Terminal Form
Geology