About: http://webisa.webdatacommons.org/271244125

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	Calcite is converted into gypsum and collectively with the smog and other particles, the black crust is formed (7).
http://www.w3.org/ns/prov#wasQuotedFrom	kenyon.edu