Many sedimentary rocks have similar characteristics.

许多沉积岩都有类似的特征。

What you should pay attention to is that those rocks must be sedimentary rocks.

需要注意的是，这些岩石必须是沉积岩。

Sedimentary rocks are formed from sediment left by water, ice, or wind.

沉积岩是由水、冰或风留下的沉积物形成的。

The sedimentary rocks are graywacke, siltstone, tuff andpellitie, etc.

沉积岩有杂砂岩、粉砂岩、凝灰岩、泥质岩等。

The sedimentary systems were divided according to the characteristics in rock types, color and authigene.

根据岩石类型、颜色、自生矿物等特征，对沉积体系进行划分。

Concepts of sedimentary rock.

沉积岩的一般概念。

Classification of sedimentary rocks.

沉积岩的分类。

Are there any further divisions for sedimentary rocks?

对于沉积岩还有进一步的划分吗？