@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/potassium-argon_dating>
  skos:definition "A radiometric dating technique based on the decay of 40 K to the daughter isotope 40 Ar, by electron capture. Together with argon-argon (Ar-40/Ar-39) dating, K-Ar dating is principally used to obtain the ages of potassium-rich minerals in volcanic lavas and tuffs. [Source: <a href=\"https://sk.sagepub.com/reference/dictionaryenvirochange/n3083.i1.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Environmental Change; potassium-argon (K-Ar) dating</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/geography_geology>, <https://concepts.sagepub.com/social-science/concept/applied_anthropology> ;
  skos:prefLabel "potassium-argon dating"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/geography_geology>
  skos:prefLabel "geography/geology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/potassium-argon_dating> .

<https://concepts.sagepub.com/social-science/concept/applied_anthropology>
  skos:prefLabel "applied anthropology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/potassium-argon_dating> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/potassium-argon_dating> .