About: http://webisa.webdatacommons.org/166567250

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 90 km diameter, late Triassic Manicouagan impact structure of Qu???bec, Canada, is a well-preserved, undeformed complex crater possessing an anorthositic central uplift and a 55 km diameter melt sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov