The sculpting of streamlined, elongated ridges in soft rock or sediment by sustained wind erosion, aligned parallel to the prevailing wind direction as blowing sand abrades the rock surface. Yardangs form in deserts with a strong, persistent wind regime and limited vegetation to shelter the ground.
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Timescale (category) Process Type Yardang Formation
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1. Yardang (Wikipedia)
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A yardang is a streamlined protuberance carved from bedrock or any consolidated or semiconsolidated material by the dual action of wind abrasion by dust and sand and deflation (the removal of loose material by wind turbulence).
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