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Ripple Marks Are Sedimentary Structures And Indicate Agitation By Water Or Wind. Stock Photography

Title

Ripple marks are sedimentary structures and indicate agitation by water or wind. #166517864

Description

Also known as impact ripples, these occur in the lower part of the lower flow regime sands with grain sizes between 0.3-2.5 mm and normal ripples form wavelengths of 7-14 cm. Normal ripples have straight or slightly sinuous crests approximately transverse to the direction of the wind.