BGS Lexicon - Class
Lithostratigraphical

http://data.bgs.ac.uk/id/Lexicon/Class/LS
Identifier"http://data.bgs.ac.uk/id/Lexicon/Class/LS" language=en 
Comment"Stratified units (conforming to the law of superposition) including sedimentary, volcanic and volcaniclastic units and their recognisable metamorphosed equivalents. E.g. Culver Chalk Formation; Borrowdale Volcanic Group; Litton Tuff Member; Tummel Psammite Formation; Binnein Schist Member. Formal or Informal." language=en 
Schemahttp://data.bgs.ac.uk/ref/Lexicon/Class
Label"Lithostratigraphical" language=en 
Typehttp://www.w3.org/2004/02/skos/core#Concept
Is in schemehttp://data.bgs.ac.uk/ref/Lexicon/Class

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