BGS Lexicon - Theme
BGS Lexicon of Named Rock Units: Rock Type Themes

http://data.bgs.ac.uk/ref/Lexicon/Theme
Title"BGS Lexicon of Named Rock Units: Rock Type Themes" language=en 
Label"Lexicon themes" 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
6 sub-concepts and/or properties