cryostatic pressure

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The pressure exerted on rocks and soil when freezing occurs. As the freezing front advances, the pressure of the trapped soil moisture increases (Mackay and Mackay (1976) Can. J. Earth Scis 13). This pressure can separate individual grains of soil, forming a mass of fluid mud, which may dome up the ground, or form mud blisters.

Subjects: Earth Sciences and Geography.

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