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Ripple marks

Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah

In geology, ripple marks are sedimentary structures (i.e., bedforms of the lower flow regime) and indicate agitation by water (current or waves) or directly by wind.


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علامات النيم Arabic Arruga Catalan Rippel German Ondulita Spanish Vired ET Ripple EU موج‌نقش FA Ride de courant French גלונים HE Ripple mark Italian

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