@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
_:b1218474	rdf:type	owl:Axiom .
@prefix xsd:	<http://www.w3.org/2001/XMLSchema#> .
@prefix obo:	<http://www.geneontology.org/formats/oboInOwl#> .
_:b1218474	obo:hasDbXref	"Wikipedia:Continental_margin"^^xsd:string .
@prefix ns4:	<http://purl.obolibrary.org/obo/> .
_:b1218474	owl:annotatedProperty	ns4:IAO_0000115 ;
	owl:annotatedSource	ns4:ENVO_01000298 ;
	owl:annotatedTarget	"The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust. Together, the continental shelf, continental slope, and continental rise are called continental margin. Continental margins constitute about 28% of the oceanic area."^^xsd:string .