About: http://webisa.webdatacommons.org/129573794

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	Mixed pumices are streaked with light and dark domains mostly containing ca. 20-50% crystals of plagioclase, hornblende, quartz, biotite, and pyroxenes.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov