red soil layer

There are 4 layers in typical profile of slope disintegration: the red soil layer, the sandy soil layer, the detritus layer and the crack weathered layer(also claimed the globular weathered layer);

把典型的崩岗剖面从上到下划分为：红土层、砂土层、碎屑层和裂隙风化层（亦称球状风化层）4个层次；

The water permeability below the red soil surface layer is not the main factor that induces soil erosion.

红壤表层以下的透水状况不是造成土壤侵蚀的主要因素。

Thousands of stone has a yellow soil, red soil, there is a layer of black layer of white, large to dozens of tons of a piece of.

千层石有土黄色的，土红色的，也有一层黑一层白的，大到几十吨一块的。