花か崗こう閃せん緑りょく岩がん

noun

granodiorite

A coarse-grained intrusive igneous rock similar to granite but with more plagioclase feldspar. Technical term used in geology.

• この地ち域いきの基き盤ばん岩がんは主おもに花か崗こう閃せん緑りょく岩がんからなる。

  The bedrock in this area consists mainly of granodiorite.