角かく閃せん片へん岩がん

noun

hornblende schist

A metamorphic rock composed mainly of hornblende and plagioclase, often with a schistose texture. Used in geology and mineralogy.

• この地ち域いきの地ち質しつは主おもに角かく閃せん片へん岩がんからなる。

  The geology of this area consists mainly of hornblende schist.