# Atterberg scale

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Jump to navigationJump to searchA proposed particle-size scale or grade scale for the classification of sediments based on a decimal system beginning with 2 mm. The limits of the subclass are obtained by taking the square root of the product of the larger grade limits. The subdivision thus made follows the logarithmic rule. This is the accepted European standard for classification of particle size. AGI

Source: Dictionary of Mining, Mineral, and Related Terms