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Related to cross bedding: Ripple marks
(Geological Science) geology layering within one or more beds in a series of rock strata that does not run parallel to the plane of stratification. Also called: false bedding
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014