DURHAM Cathedral has been listed in the UK’s top 100 geosites.

The 900-year-old cathedral was placed 58th in the top 100 compiled by the Geological Society of London, praised for its use of stone that expose interesting geology including Frosterley marble and black limestone containing fossil corals from the Carboniferous period.

This weekend (Saturday, October 18), specialist Brian Young will lead a walking tour of the geology of the area.

The Stones of Durham walk and talk tales place on Saturday at 1pm, followed by refreshments and a cathedral tour. The cost is £1 per person. To book, call 0191-374-4078 or email: events@durhamcathedral.co.uk