English Dictionary

phenocrystal

名詞

Synonym of phenocryst

日本語の意味

顕晶：火成岩中で、他の微小な鉱物体に比して明らかに大きく発育した結晶。

The geologist carefully extracted a large phenocrystal from the sample to study its mineralogy.

地質学者は試料から大きな斑晶を注意深く取り出して、その鉱物学を調べた。

意味（1）

Synonym of phenocryst

Due to the large grain sizes of pumice (up to 2 mm) and phenocrystals a relatively proximal source of tephra U4T is proposed.

phenocrystals （ plural ）