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Ripples - messages from bumps

Let the rocks tell their story

story under development...
note also wormtracks(add ripples with stasrfish image)
symmetric ripples in sandstone

Symmetrical ripple marks occur in environments where there is a steady back and forth movement of the water.  Such ripple marks can still be used as top and bottom indicators.


Asymmetrical Ripples give current direction and create cross bedding