@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

nalt:15964_def
  rdf:value "Rocas formadas por la solidificación de materiales fundidos que han sido comprimidos sobre la superficie del suelo."@es, "Volcanic rocks are formed by solidification of molten materials which have been extruded onto the ground surface."@en ;
  dc:source "NAL Thesaurus Staff" ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

<https://lod.nal.usda.gov/naltv#Topic>
  rdfs:label "Topic"@en ;
  a owl:Class .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .

nalt:15964
  skos:prefLabel "volcanic rocks"@en, "rocas volcánicas"@es ;
  skos:hiddenLabel "volcanic-rock"@en, "volcano rock"@en, "volcanic rock"@en, "lava-rock"@en, "volcanic-rocks"@en, "lava rock"@en, "lava-rocks"@en ;
  skos:broader nalt:43654 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  ns0:marc001 "39707" ;
  dc:modified "2016-10-25"^^xsd:date ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:altLabel "lava rocks"@en ;
  skos:narrower nalt:57483 ;
  skos:definition nalt:15964_def .

nalt:43654
  skos:prefLabel "rocas ígneas"@es, "igneous rocks"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:15964 .

nalt:57483
  skos:prefLabel "perlita"@es, "perlite"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:15964 .