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

nalt:290782
  skos:prefLabel "eones geológicos"@es, "geological eons"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:290799 .

nalt:290824
  skos:prefLabel "Proterozoico"@es, "Proterozoic eon"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:290799 .

nalt:290799_def
  rdf:value "Tiempo geológico que va desde la formación de la Tierra (hace 4550 millones de años) hasta el inicio del Cámbrico."@es, "The geological time from the formation of the Earth (4.55 billion years ago) to the start of the Cambrian period (about 570 million years ago)."@en ;
  dc:source "NAL Thesaurus Staff" ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

nalt:290799
  skos:prefLabel "Precámbrico"@es, "Precambrian time"@en ;
  skos:narrower nalt:290824, nalt:290823, nalt:290952 ;
  skos:hiddenLabel "Precambrian"@en, "precambrian eons"@en, "pre-cambrian eons"@en ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2017-01-26"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  dc:modified "2017-11-10"^^xsd:date ;
  skos:broader nalt:290782 ;
  skos:definition nalt:290799_def ;
  ns0:marc001 "83367" .

nalt:290952
  skos:prefLabel "Hadeano"@es, "Hadean eon"@en ;
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290799 .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:290823
  skos:prefLabel "Arcaico"@es, "Archean eon"@en ;
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290799 .

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