About: http://webisa.webdatacommons.org/22146887

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 mass ratio of contaminant to magma was probably less than 1:100, and major constituents, including Al, were not measurably affected in hornblende.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov