@prefix qx8: <http://data.loterre.fr/ark:/67375/QX8> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

qx8: a skos:ConceptScheme .
qx8:-ZL9GXNMQ-9
  skos:prefLabel "Virgilien"@fr, "Virgilian"@en ;
  a skos:Concept ;
  skos:broader qx8:-TRBMZLX6-L .

qx8:-TRBMZLX6-L
  skos:definition "The Upper Pennsylvanian is the upper part of the Pennsylvanian (also known as Upper Carboniferous or Late Carboniferous) which is, on the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period. It lasted from roughly 323.2 million years ago to 298.9 million years ago. As with most other geochronologic units, the rock beds that define the Pennsylvanian are well identified, but the exact date of the start and end are uncertain by a few hundred thousand years. The Pennsylvanian is named after the U.S. state of Pennsylvania, where the coal-producing beds of this age are widespread. (Adapted from : <a href=\"https://en.wikipedia.org/wiki/Pennsylvanian_(geology)\">https://en.wikipedia.org/wiki/Pennsylvanian_(geology)</a>)"@en, "Le Pennsylvanien supérieur est la partie supérieure du Pennsylvanien qui est une époque géologique correspondant au Carbonifère supérieur et s'étendant de -323,2 ±0,4 à -298,9 ± 0,15 millions d'années. (Adapté de : <a href=\"https://fr.wikipedia.org/wiki/Pennsylvanien\">https://fr.wikipedia.org/wiki/Pennsylvanien</a>)"@fr ;
  skos:narrower qx8:-ZL9GXNMQ-9 ;
  skos:exactMatch <https://en.wikipedia.org/wiki/Pennsylvanian_(geology)>, <https://fr.wikipedia.org/wiki/Pennsylvanien> ;
  skos:broader qx8:-BF3DRZVL-B ;
  skos:inScheme qx8: ;
  a skos:Concept ;
  skos:prefLabel "Upper Pennsylvanian"@en, "Pennsylvanien supérieur"@fr .

qx8:-BF3DRZVL-B
  skos:prefLabel "Pennsylvanien"@fr, "Pennsylvanian"@en ;
  a skos:Concept ;
  skos:narrower qx8:-TRBMZLX6-L .