BGS Lexicon of Named Rock Units concepts, published as linked open data
IRI: http://data.bgs.ac.uk/ref/Lexicon/NamedRockUnit (currently resolving to https://vocab.bgs.ac.uk/v/vocab/lxcn:NamedRockUnit)
Data for download available through: https://github.com/BritishGeologicalSurvey/vocabularies/tree/main/vocabularies/LexiconNamedRockUnit
