<P> In geology , ripple marks are sedimentary structures ( i.e. bedforms of the lower flow regime ) and indicate agitation by water ( current or waves ) or wind . </P>
<P> In geology , ripple marks are sedimentary structures ( i.e. bedforms of the lower flow regime ) and indicate agitation by water ( current or waves ) or wind . </P>
what do ripple marks in sedimentary rock mean
what do ripple marks in sedimentary rock mean
agitation by water ( current or waves ) or wind
agitation by water ( current or waves ) or wind