About: black shale

Premodifier: black
Head noun: shale

Same concepts
http://dbpedia.org/resource/Shale

Broader concepts

label	provenance	confidence
sedimentary rock	isap:199738290	0.769327
organic-rich sediment	isap:294976447	0.591908
limestone	isap:339430576	0.396563

Narrower concepts

label	provenance	confidence
sharon springs member	isap:120109290	0.656831