The Durham coast during the Permian (desert)

The Yellow Sands – at the base of the Permian sequence there is evidence for a desert Source: Tim Pettigrew
General stratigraphic log for the Permian rocks along the Durham coast

The Durham coast during the Permian

Zechstein Sea (250 million yrs ago) It formed two distinct basins north and south separated by the Mid North Sea high Source: Maurice Tucker 2016
The Geology of County Durham in plan view
