Which mechanism causes patterned ground formation from solifluction processes in periglacial regions?

💡 Explanation

When freeze-thaw cycles occur in periglacial regions, cryoturbation sorts coarse materials because differential frost heave pushes larger rocks to the surface, concentrating them into distinct patterns like circles or polygons. Therefore cryoturbation is responsible, rather than aeolian deposition, hydrolysis, or isostatic rebound which operate via different mechanisms and timescales.

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