ripple mark









ripple mark


noun Geology.

  1. one of the wavy lines or ridges produced, especially on sand, by the action of waves, wind, or the like.
  2. one of such forms preserved in sandstone or siltstone.

noun

  1. one of a series of small wavy ridges of sand formed by waves on a beach, by a current in a sandy riverbed, or by wind on land: sometimes found fossilized on bedding planes of sedimentary rock
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