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Thursday
Feb022012

Prehistoric Ripples

DateThu 2012-02-02

Fossilized ripples in millstone grit.  They were probably formed over 300 million years ago in the shallows of a Carboniferous sea.

Photo taken on the bank of the river Tees near Barnard Castle, County Durham, UK

AuthorTristram Brelstaff | CommentPost a Comment |

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