<http://caligraph.org/ontology/Mesoproterozoic_rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rift_or_graben> .
<http://caligraph.org/ontology/Rift_or_graben>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Mesozoic_rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rift_or_graben> .
<http://caligraph.org/ontology/Paleozoic_rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rift_or_graben> .
<http://caligraph.org/ontology/Rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#label>	"Rift or graben" .
<http://caligraph.org/ontology/Neoproterozoic_rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rift_or_graben> .
<http://caligraph.org/ontology/Rift_or_graben>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Rifts_and_grabens> .
<http://caligraph.org/ontology/Cenozoic_rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rift_or_graben> .
<http://caligraph.org/ontology/Rift_or_graben>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://www.w3.org/2002/07/owl#Thing> .