I’ve been on the lookout for decent geology data since I saw the beautiful USGS maps of the United States. It turns out that the British Geological Survey have released a whole bunch of sub-surface data for free under an Open Government Licence.

OpenGeoscience | Free data | British Geological Survey (BGS)
Free service: view & download maps, photographs and reports.
British Geological Survey 1998 - 2017 (c)NERC mailto:www-bgsbgs.ac.ukBritish Geological Survey (BGS)