A.火山灰B.氣溶膠粉塵C.黃土D.石英砂E.砂丘砂F.黏土
A.硅酸鹽黏土B.碳酸鈣C.鐵鋁氧化物D.石膏E.非??狗纸獾脑V物F.可溶性物
A.花崗巖B.沉積巖C.玄武巖D.火成巖E.變質(zhì)巖F.大理巖