A smooth, low, narrow (2-5 centimeters or 1-2 inches wide) ridge formed on a sedimentary surface and believed to result from the scouring action of a current of water.
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A smooth, low, narrow (2-5 centimeters or 1-2 inches wide) ridge formed on a sedimentary surface and believed to result from the scouring action of a current of water.
Related terms: