Exeter: the geology of a cathedral |
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| Authors: | JANE DOVE |
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| Institution: | Jane Dove is Lecturer in Geography and Education at the School of Education, University of Exeter. |
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| Abstract: | Cathedrals are geologically fascinating and that of Exeter is no exception. Outward appearances are deceptive; although the outer medieval walls are made of Greensand, the core is made of local Permian breccia and volcanics. Beer Stone is used less extensively than generally supposed, although it is important for carving. Nineteenth-century improvements in transport encouraged greater use of Cotswold and East Midland oolites for the cathedral repairs. Over time, these and local stones have weathered differentially, which has encouraged masons to return to Greensand for very recent repairs. |
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