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Roundness (geology)

Rounded pebbles in a streambed
Well-rounded cobble from the beach on Teletskoe Lake, Altai Republic

Roundness is the degree of smoothing due to abrasion of sedimentary particles. It is expressed as the ratio of the average radius of curvature of the edges or corners to the radius of curvature of the maximum inscribed sphere.


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Redondez (geología) Spanish Arrondi (géologie) French Afronding (sediment) Dutch Окатанность Russian Обкатаність Ukrainian

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