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#ampthill clay #late jurassic #jurassic sea #sedimentary rock #stratigraphy

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#ampthill clay #geological formation #fossil analysis #palaeontology #sedimentary geology #jurassic stratigraphy

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#ampthill clay #jurassic fossils #marine reptile fossil #vertebrate fossil #palaeontology

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#ampthill clay #england geology #UK Geology #jurassic clay #fossiliferous clay #ammonite fossil