Earth material that is composed of one or more single rock types
Agglomerate and tuffite

http://data.bgs.ac.uk/id/EarthMaterialClass/RockComposite/AGTT
Statushttp://data.bgs.ac.uk/ref/CurrentStatus/CURRENT
Has parthttp://data.bgs.ac.uk/id/EarthMaterialClass/RockName/AGG
http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/TUFT
Schemahttp://data.bgs.ac.uk/ref/EarthMaterialClass/RockComposite
Label"Agglomerate and tuffite" language=en 
See alsohttp://dbpedia.org/resource/Agglomerate
http://dbpedia.org/resource/Tuffite
Typehttp://www.w3.org/2004/02/skos/core#Concept
Definition"AGGLOMERATE AND TUFFITE" language=en 
Is in schemehttp://data.bgs.ac.uk/ref/EarthMaterialClass/RockComposite
Preferred label"Agglomerate and tuffite" language=en 

namespaces used
bgsienBGS RCS Named Rock
bgsiepBGS RCS Rock Component
bgsrBGS Schemas
bgsrcBGS Current Status Codes
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