About: http://webisa.webdatacommons.org/283972209

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The typical rock in the trap dikes and sheets is a dolerite or diabase, consisting chiefly of pyroxene and labradorite, but containing also more or less of magnetite and some other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	dunhamwilcox.net