Tuffite is formed by the combination of volcanic ashes and carbonate mud.

沈积凝灰岩主要为中远源的火山灰与碳酸盐灰泥混合而成,含石英团块,显斑点构造.

互联网

The main kinds of rocks include carbonate rocks , tuffite, siliceous rocks and quartz sand - stone.

主要岩石类型包括碳酸盐岩、沈积凝灰岩 、 矽质岩和石英砂岩.

互联网