Marine clay

As a Klei is called dewatered silt. Clay soils are known in North Germany strongly cohesive soils, which are present primarily in the marshes. The word derives from clothing sticking to his credit, including the soil type of the clothing march his name.

On the coast, the origin of the clay soil is the sedimentation of mud flats or mixed Watt, in the estuaries clothing can by Schlick case and subsequent dewatering by compaction of the sediment formed. Partial fell mudflats naturally or by diking dry, so that they are present today in the domestic as marsh soils. Other cohesive soils can be called clothing. The floor is made up of more than 50 % sand. The soil is clayey to silty accordingly.

Use

The clay soils of the marshes are generally relatively fertile. The land value of a clay figures march are between 65 and 70 but you are also minutes soils that allow only short processing periods in the year.

As a building is hardly suitable clay soil, since it deforms because of the fine texture on exposure to water and pressure, and sags.

Its density is used in dike construction, was built during the construction of mounds, as well as the Hindenburgdamm partly of clay. Composed exclusively of clay dikes earlier, so this is no longer possible with the much larger and wider built dikes. The outer surface is, however, continue to this material, which is applied to a sand core.

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