@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0004633>
  skos:prefLabel "پومیس(نوعی سنگ)"@fa, "pumice"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0058398>
  skos:prefLabel "لاپیلی"@fa, "lapilli"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0057768>
  skos:prefLabel "آتشفشان‌ها"@fa, "volcanoes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0058399>
  skos:prefLabel "خاکستر آتشفشانی"@fa, "volcanic ash"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0058403>
  skos:prefLabel "volcanic deposits"@en, "نهشته‌های آتشفشانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0058552>
  skos:prefLabel "زمین‌شناسی"@fa, "geology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058401> .

<http://www.irandoc.acir/onto/irandoc/CAB0058401>
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "آذرآوار"@fa, "tephra"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057768>, <http://www.irandoc.acir/onto/irandoc/CAB0058552> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058399>, <http://www.irandoc.acir/onto/irandoc/CAB0058398>, <http://www.irandoc.acir/onto/irandoc/CAB0004633> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058403> .