角かく閃せん岩がん

noun

amphibolite

A metamorphic rock composed mainly of amphibole minerals. Used in geology and mineralogy.

• 角かく閃せん岩がんは変へん成せい岩がんの一いっ種しゅで、主おもに角かく閃せん石せきからなる。

  Amphibolite is a type of metamorphic rock, mainly composed of amphibole.