About: http://webisa.webdatacommons.org/320579469

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	ary rocks older than Pennsylvanian consist mainly of limestone and dolomite which have low magnetic susceptibility whereas shale, and especially sandstone of relatively high magnetic susceptibility is common in Pennsylvanian rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu