石英岩,矽岩
Quartzite \Quartz"ite\, n. [Cf. F. quartzite.] (Min.) Massive quartz occurring as a rock; a metamorphosed sandstone; -- called also {quartz rock}.
quartzite n : hard metamorphic rock consisting essentially of interlocking quartz crystals
版權所有 © 2024 3Dict.net