Geology Digimap - This link opens in a new window
For information on how to register (for the first time) to use this resource please see http://digimap.edina.ac.uk/webhelp/digimapsupport/access/registration.htm
Upon logging in, the first time you wish to access a the Geology collection, you will need to accept its sub-license agreement, which tells you what you can and can't do with the data.
Geology Digimap allows you to browse, view and print geological maps of the UK. Download for use in a Geographic Information System (GIS) or image processing software. Maps include: 1:625,000 solid and drift geology; 1:250,000 solid geology and linear features.