石せき盤ばん石せきMeanings1nounslateA fine-grained metamorphic rock that splits easily into thin layers; used for roofing, flooring, and writing surfaces.この地ち域いきでは石せき盤ばん石せきが採さい掘くつされている。Slate is mined in this region.屋や根ねに石せき盤ばん石せきを使つかうと耐たい久きゅう性せいが高たかい。Using slate for the roof provides high durability.