sedimentary tuff

• 沉积凝灰岩

sedimentary tuff的用法和样例：

例句

1. This kind of rock is called tuff.
   这里的岩质是凝灰岩。
2. The fine primary intergranular pores were mainly developed in the sedimentary tuff and sandstone of volcanic sedimentary facies.
   火山沉积相沉凝灰岩及砂砾岩以细小原生粒间孔隙为主。