花崗 かこう砂岩 しゃがんではありませんでした
ka kō shagandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 花崗砂岩

1. Was not granite sandstone.; Wasn't granite sandstone.

Past/Perfective
Negative
Polite
Formal Register
Geology