gangue rock的用法和樣例：
例句
- Paishanlou large size Au deposit is hosted by tonalite in which upper crustal amphibolitic rock inclusions occur.
研究結果表明，排山樓金礦的容礦圍巖是一套以英云閃長(cháng)巖為主體，含少量角閃質(zhì)上殼巖包體及脈巖的組合。 - The hard rock in which diamonds are found is called blue ground, because it is somewhat blue.
他們把發(fā)現有鉆石的堅硬巖石叫作藍色脈巖，因為它的顏色有點(diǎn)藍。
