The shaping of a rock into a faceted, polished form by the sandblasting action of wind-driven sand and dust over long exposure, producing flat, wind-abraded faces that meet at sharp edges. Ventifacts are common in deserts and periglacial environments where strong winds and abundant loose sediment combine.
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1. Ventifact, Wikipedia
Opening definitionQuote, Opening definition
a rock that has been abraded, pitted, etched, grooved, or polished by wind-driven sand or ice crystals.
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