粗粒 そりゅう玄武 げんぶ いわじゃありませんでした
so ryūgembuiwaja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 粗粒玄武岩

1. Was not coarse-grained basalt.; Was not a coarse-grained basalt.

Past/Perfective
Negative
Polite
Terminal Form
Geology