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The 1:50 000-scale geological maps for England, Wales and Scotland are available digitally as part of the digital geological map of Great Britain dataset (BGS Geology 50K) and have been made available here to view as a WMS service.

Layers for bedrock, superficial deposits, artificial ground, mass movement and geological linear features are included in the service.

This service is also included in the  project’s data portal.

Service address

Enter this address into your WMS client: https://map.bgs.ac.uk/arcgis/services/BGS_Detailed_Geology/MapServer/WMSServer?

The service supports the British National Grid and lat/long WGS84 coordinate systems and the data is visible when zoomed in between 1:100 000 and 1:25 000 scale.

Example WMS requests

Can’t use the WMS?

Try theGeology of Britainviewer if you are unable to use a WMS.

Terms of use

This data is delivered under the terms of the , subject to the following acknowledgement accompanying the reproduced BGS materials: ‘Contains 51���� materials © 51���� [year]’. Contact us if you create something new and innovative that could benefit others.

The BGS provides no warranty as to the quality, accuracy or completeness of this free map data or the medium on which it is supplied. This includes any warranty as to the continued provision of material or that the material taken from this site is compatible with your computer system and/or any other data with which the material is to be used.

Please be aware that the BGS may make changes to this service. This will include, but is not limited to, the level of attribution seen for each type of geology and changes to zoom thresholds.