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Experiments with mixtures of quartz silt and clays, under conditions where pure silt and clay suspensions form bedload ripples (non-cohesive silt, flocculated clay) show that coarse silt does segregate from clays during transport. As bedload transport proceeds, ripples of coarse silt and flocculated mud migrate over the bed surface simultaneously. Migrating ripples leave behind a thin veneer of silt...
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