pilolite

例句：

1. 1.The volcano erupted, spewing out a cloud of ash and dust.
   火山喷发，喷出一团灰烬和尘土。
2. 2.The pilolite formation is an ancient layer of rocks that formed during the early Earth's history.
   皮洛利特形成层是古代地球早期形成的一层岩石。
3. 3.The pilolite deposits are rich in minerals and have been used for centuries as building materials.
   皮洛利特矿床富含矿物，数百年来一直被用作建筑材料。