The process of precipitation of cement between mineral or rock grains and forming solid clasticsedimentaryrock, one phase of lithification.
在矿物或岩石的颗粒之间的胶结物沉淀过程，由此形成固态的碎屑沉积岩，为石化作用的一个阶段。
2
Texture of sedimentaryrock: clastic texture and nonclastic texture.
沉积岩的结构：碎屑结构和非碎屑结构。
3
The intermediate-acid pyro-clasticrock is dominant with a few of intermediate lava and common sedimentary pyroclastic rocks formed in the volcanic intermittent activities in the Qidaogou area.