BGS Lexicon - Class
Identifier"" language=en 
Comment"Composite unit of two or more individually defined units, but not itself a valid unit. E.g. Penarth Group and Lias Group, undifferentiated. Always Informal, although the components may individually be Formal." language=en 
Label"Composite" language=en 
Is in scheme

namespaces used
bgsrBGS Schemas
bgsrgBGS Geochronology
bgsrlBGS Lexicon of Named Rock Units
dctDublin Core terms
rdfResource Description Framework
rdfsResource Description Framework - Schema
skosSimple Knowledge Organization System
xsdXML Schema Data Type