造ぞう岩がん鉱こう物ぶつ

noun

rock-forming minerals

Technical term in geology for the minerals that constitute rocks. Used in academic and scientific contexts.

• 花か崗こう岩がんの主おもな造ぞう岩がん鉱こう物ぶつは石せき英えい、長ちょう石せき、雲うん母もです。

  The main rock-forming minerals of granite are quartz, feldspar, and mica.