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

<http://www.irandoc.acir/onto/irandoc/CAB0058437>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058436> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058439> ;
  skos:prefLabel "سنگ‌های آتشفشانی"@fa, "volcanic rocks"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0058436>
  skos:prefLabel "توف"@fa, "tuff"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058437> .

<http://www.irandoc.acir/onto/irandoc/CAB0058439>
  skos:prefLabel "سنگ‌‌ها"@fa, "rocks"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058437> .