Just one of many fantastical rocks along this stretch of coast [OC]
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Cheswick Sands, Northumberland, UK.
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Cheswick Sands, Northumberland, UK.
Looks like hardened lava flow. Is that what this is?
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Looks like hardened lava flow. Is that what this is?
Nope. Cross-stratification in sandstones. Each curved layer represents an ancient dune or ripple that migrated across a river channel or shallow sea floor.