About: http://webisa.webdatacommons.org/249060295

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	Volcanoes form glassy rocks such as obsidian, and in recently formed volcanic rocks sicentists have found tunnels that seem to have been created by hungry microbes. (They???re even slathered with DNA and other biological material.).
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com