BGS Geology 1:50 000 (DiGMapGB-50) user guide

Please note, this user guide has now been superseded.  Access the 2025 version here. 

Generalised digital geological map data based on BGS’s New Series 1:50 000 and 1:63 360-scale (one-inch to one-mile) maps with updated nomenclature, including a few 1:100 000-scale maps of Orkney and the Hebrides.

For more information, including how to licence the data or access free versions, please visit our BGS Geology 50K (DigMapGB-50) webpage.