About: http://webisa.webdatacommons.org/214417154

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 problem is that only some types of rocks and fossils can be numerically dated, so all other evidence of ancient life must be related to age-dated material by the techniques of relative dating.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu