Wackes are typically better sorted than sandstones lithified from ancient beach sands.

Name: Wackes are typically better sorted than sandstones lithified from ancient beach sands.
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Wackes (or greywackes) are a type of sandstone that typically contain a mix of rock fragments and mineral grains in a clay matrix, which makes them poorly sorted. In contrast, sandstones lithified from ancient beach sands are usually well sorted due to the winnowing action of waves and currents.

Wackes Are Typically Better Sorted Than Sandstones Lithified from Ancient