塊状 かいじょう溶岩 ようがんでしょう
kaijōyōga ndeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 塊状溶岩

1. Pahoehoe lava; Likely pahoehoe lava

Polite
Presumptive
Conjecture
Geology