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Chutes or flood channels often form across the top of a point bar during high water. The coarse material moves out of the channel and through the chute onto the chute bar. As the velocity drops, the coarser material settles on top while the remaining load drops out on the lee side of the bar crest. The thickest part of the chute bar occurs where the flow reenters the main channel at the furthest advance of progradation. Structures include imbricated pebble sheets, planar laminations and mud lenses.
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