常見(jiàn)例句雙語(yǔ)例句The host-rock of the ore deposit is phyllite and slate of Middle Devonian.礦床主巖為中泥盆統(tǒng)干枚巖、板巖。Foziling Group in the Dabie Mountains is composed of slate, phyllite, mica quartz schist, etc.大別山北部佛子嶺群變碎屑巖主要由板巖、千枚巖和云母石英片巖等所組成。The banded rocks have gradually changed into phyllite or slate, which show characteristics of a hydrothermal sediment basin locally depressed.地層走向上 ,條帶狀巖石漸變過(guò)渡為千枚巖或板巖 ,顯示局部凹陷的熱水沉積盆地特點(diǎn) ; 返回 phyllite slate