This walking tour of building stone as used in Oxford is lead by Geoffrey Tyack, architectural historian, and Philip Powell, geologist. It starts and finishes at the University Museum, Parks Rd, Oxford OX1 3PW

Philip will focus on the glorious range of geological make-up of the different stones around Oxford and their durability (or otherwise). Geoffrey will point out the historical use of different building stones, decorative detail and the ways in which different stone is used to different effect. Both will comment on deterioration and replacement/ conservation. The walk will include the University Museum, Rhodes House, the Radcliffe Camera, Exeter College and Merton.

Please note that that the tour will take you to various locations in Oxford, and that you will be walking for about 90 minutes.