How is soil different from rock?

| June 26, 2021 | education

The difference between soil and rock lies in how this element is formed. Their composition also differs.

Rock formation:
They appear first, composed of mineral or organic particles. One group of rocks (igneous) is solidified magma that poured out inside the earth’s crust or exited from a volcano. Another group (sedimentary rocks) is formed by particles precipitated from aqueous solutions, weathering products, and organic elements.

Soil formation:
As a result of the destruction (weathering) of rocks, the basis for the formation of the soil layer is formed. Then the interaction of the source material and various living organisms is carried out. Plants appear, which, after dying off, turn into humus. The worms mix the soil mass.

Climate plays an important role in soil formation. It affects the rate of weathering of parent rocks, heating and moisture supply of the soil, and its biological composition. The features of the terrain where the soil layer is created are also of some importance.



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