@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 skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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> .

nalt:60563
  skos:prefLabel "piedra pómez"@es, "pumice"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:15964 .

nalt:60653
  skos:prefLabel "materiales pirclásticos"@es, "pyroclastic materials"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:15964 .

nalt:49173
  skos:prefLabel "volcanes"@es, "volcanoes"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:15964 .

nalt:15963
  skos:prefLabel "basalto"@es, "basalt"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:15964 .

nalt:210677
  skos:prefLabel "andesita"@es, "andesite"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:15964 .

nalt:66575
  skos:prefLabel "toba"@es, "tuff"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:15964 .

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

nalt:15964
  skos:related nalt:49173 ;
  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, nalt:60653 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:60563, nalt:15963, nalt:57483, nalt:210677, nalt:66575 ;
  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: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 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .