Data collections

BGS has a considerable amount of data held in its archives and data collections. Much of this information has been indexed and databased allowing you to search, view and download our data collections online. BGS's most popular databases and vocabularies including data relating to borehole materials, rock and fossil collections, as well as the BGS Rock Classification Scheme and Lexicon are available to access below.

Discover our data


Dataset search - all the data we have available.

BGS Data Catalogue - describes the datasets we hold.

GeoIndex - spatial data search.



The Lexicon of Named Rock Units provides definitions of terms for our maps and publications.

The Rock Classification Scheme is our system for classifying and naming geological materials.

Other standardised geoscience terms

Deposited data

Detailed accession search

Discover data that has been deposited with the National Geoscience Data Centre and the National Geological Repository.

Sensor data

Sensor graph

Instrumenting the Earth — real time monitoring of environmental phenomena.

Map data downloads

Map data downloads

A number of GIS datasets for download including some of our core, baseline datasets showing geology, gravity and magnetic data, and hydrogeology data.

Terms of use

The data collections listed here are all delivered under the Open Government Licence, subject to the following acknowledgement accompanying the reproduced BGS materials: "Contains British Geological Survey materials © NERC [year]".