How red and yellow soils are formed? Why do they look red?

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#1

How red and yellow soils are formed? Why do they look red?

Answer:
Red soils develop on crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan Plateau.
These soils develop a reddish colour due to diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form.


#2

Red soil develops on crystalline igneous rocks and they looks red because of diffusion of iron and they looks yellow in hydrated forms