A BGS Geochronostratigraphy rank
BGS Geological Time Division Ranks

http://data.bgs.ac.uk/ref/Geochronology/Rank
Created"2011-02-10" datatype=xsd:date 
Creatorhttp://data.bgs.ac.uk/ref/BritishGeologicalSurvey
Description"Geologists label divisions of geological time with named ranks which indicate which level of the hierarchy of terms they belong to. The preferred labels in this scheme are the chronological rank names; the equivalent stratigraphical rank name is provided as an alternative label." language=en 
Identifier"http://data.bgs.ac.uk/ref/Geochronology/Rank" language=en 
Publisherhttp://data.bgs.ac.uk/ref/BritishGeologicalSurvey
Title"BGS Geological Time Division Ranks" language=en 
Label"The rank of a geochronological division specifies how large it is and what sort of sub-divisions it contains." 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
10 sub-concepts and/or properties