BGS Lexicon of Named Rock Units
Lithostratigraphical unit ranks

http://data.bgs.ac.uk/ref/Lexicon/RockUnitRank
Creatorhttp://data.bgs.ac.uk/ref/BritishGeologicalSurvey
Description"This scheme defines ranks of rock unit used in the BGS Lexicon of Rock Unit. The rank indicates how large and extensive the rock unit it. Larger ranking units are sub-divided into smaller ranking units." language=en 
Identifier"http://data.bgs.ac.uk/ref/Lexicon/RockUnitRank" datatype=xsd:string 
Publisherhttp://data.bgs.ac.uk/ref/BritishGeologicalSurvey
Title"Lithostratigraphical unit ranks" language=en 
Label"Lithostratigraphical unit ranks" language=en 
Typehttp://www.w3.org/2004/02/skos/core#ConceptScheme

namespaces used
bgsrBGS Schemas
bgsreBGS RCS Earth Material Classes
bgsrgBGS Geochronology
bgsrlBGS Lexicon of Named Rock Units
bgsrmBGS 1:625 000 Digital Geological Map
dctDublin Core terms
rdfResource Description Framework
rdfsResource Description Framework - Schema
skosSimple Knowledge Organization System
xsdXML Schema Data Type
Top 50 sub-concepts and/or properties