At the base of an unstable clay cliff on Barton Beach in Hampshire, these vivid colours catch the eye.Further along the same beach – if you’re in luck you may find a fossilised shark’s tooth, tens of millions of years old.I never worked out how these holes were formed. They don’t seem to be made by living creatures but, perhaps, in the long distant past….?A trickle of. presumably, iron-rich water running out from the base of the cliff drew this diagonal line across the rock.A bit further down the line the flow forms a “delta” and the colours change.Some colours are definitely not natural – this was some form of oil pollution spilling across the sands at Steart Beach in Somerset.
That third one is frameworthy
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I agree – crystal clear and intriguing too.
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Are those holes sand Martin nests?
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I wondered so at first, but the entrances are too clean and the cliff is clay rather than sand….
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Such rich colours and amazing to see the sharks’ teeth
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