About: http://webisa.webdatacommons.org/234261236

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	Some of the major elements present are silica, iron, sodium, potassium, aluminum, magnesium, and gasses including water vapor, oxygen, carbon dioxide, nitrogen, hydrogen and sulfur dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	rocksandminerals4u.com