British Geological Survey

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British Geological Survey (BGS) was founded in 1835 and is the world's oldest national geological survey and the United Kingdom's premier centre for earth science information and expertise. sketchmap display maps of superficial and bedrock geology (625k) for the whole of the UK.

Geology

Superficial Geology 625k: Based on the 1:625 000 scale printed 'poster' (north and south sheets) of the United Kingdom, Quaternary geology map, 1977 (First edition) and was digitised retrospectively.

Bedrock Geology 625k: Based on the 1:625 000 scale printed 'poster' (north and south sheets) of the United Kingdom, Solid geology map, 1979 (Third edition) and was digitised retrospectively. Version 5 of this bedrock data is also included in this dataset for more spatial accuracy.

These layers should be used as a guide to regional or national level geology, but should not be relied on for local geology. When zooming in the level of accuracy will decrease because the original information for the data layer was created at a scale of 1:625,000.

There are many different rock types with the Geology layer, making a full colour legend impractical to show. Please click on any coloured area within the map screen to reveal details about the geology it represents.

Metadata table
Data sourceBritish Geological Survey
Coverage areaUnited Kingdom
Version date of dataset2009
Viewable/printable scalesAll zoom scales
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