塊状 かいじょう溶岩 ようがんじゃなかったです
kaijōyōga nja nakattadesu

Noun
Desu Copula

The polite, past negative form of 塊状溶岩

1. Wasn't a block lava flow.; Wasn't a massive lava flow.

Past/Perfective
Negative
Polite
Casual Register
Geology