noun
Geological term for a medium-grained mafic intrusive rock, also known as diabase. Used in petrology and geology.
ドレライトは玄武岩に似た火成岩です。
Dolerite is an igneous rock similar to basalt.
この地域の地質は主にドレライトで構成されています。
The geology of this area is mainly composed of dolerite.