BGS bedrock and superficial onshore 1:625k geology and offshore 1:1M sediments (OGC WMS)

This service is a BGS contribution to the OneGeology project, providing UK onshore geological data at 1:625 000 scale and UK continental shelf seabed sediment data at 1:1 million scale. This map data is collected as part of an ongoing BGS project: Digital Geological Map of Great Britain (DiGMapGB). MapServer software is used to provide this view services.

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What's in it

Data offered docs-verified: onshore bedrock geology, 1:625k · onshore superficial geology, 1:625k · UK continental shelf seabed sediments, 1:1M
Coverage docs-verified: UK onshore and UK continental shelf; extent lat 49.86 to 60.86, lon -8.64 to 1.76
Resolution docs-verified: Map scale 1:625,000 onshore and 1:1,000,000 offshore (cartographic scale, not positional resolution)
Update frequency docs-verified: asNeeded (no fixed schedule)
Formats docs-verified: WMS
Access docs-verified: WMS view service; no auth listed in entry metadata. Copyright vested in NERC; reproduction or transmission needs prior permission from the copyright holder.

Useful for

Use cases llm-inferred: Regional geology screening for preliminary ground model or desk study · Identifying superficial deposit types along a linear scheme corridor · Background geology layer for site investigation planning maps
Audience llm-inferred: geotechnical engineers · civils engineers · hydrologists · GIS analysts · environmental consultants

Limitations

Constraints llm-inferred: 1:625k and 1:1M scale is regional and not suitable for site-specific ground conditions · Dataset reference date (creation) is 1995, so content may not reflect recent survey work · Reproduction and transmission restricted without copyright holder permission · No warranty as to quality, accuracy or suitability for any use · Offshore layer covers UK continental shelf sediments only, not onshore or deeper water

Licence: ["The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in an
Authentication: Unknown — review source docs
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 16/10/2026
Page health: page reachable
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (data.gov.uk)