Search BGS datasets using GeoIndex, a map-based index of a wealth of information that we have collected or have obtained from other sources.
With GeoIndex, you can:
- navigate to your area of interest
- view and query datasets
- produce PDF reports
- clip and download data for your area
- enquire about data you have discovered
Further instructions can be found in the application help menu.

GeoIndex (onshore) web browser showing bedrock geology. Contains OS data © Crown Copyright and database right 2020.

Patchwork of a section of GeoIndex in Scotland showing the different layers you can view. Contains OS data © Crown Copyright and database right 2020.
GeoIndex datasets are also available via web map services (WMS).
While we recommend that professional users access the GeoIndex, we also maintain a lightweight Geology of Britain viewer, which is aimed at the general public.
View the onshore GeoIndex
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You may also be interested in

Map viewers
Data published through map viewers allowing you to reveal more about the ground beneath your feet.

GeoIndex (offshore)
The offshore GeoIndex shows the range of marine geoscience data held by the BGS within the National Geoscience Data Centre (NGDC).

Geology of Britain viewer
The Geology of Britain viewer is a simple tool, aimed at the general public, which helps you explore the geology where you live.