PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The African mining market produces more than 60 metal and mineral products and is a major producer of several of the world's most important minerals and metals including Gold, PGE's, Diamonds, Uranium, Manganese, Chromium, Nickel, Bauxite and Cobalt.It is interesting to note that Africa's contribution to the world's major metals (copper, lead and zinc) is less than 7%.
http://www.w3.org/ns/prov#wasQuotedFrom
  • companiesandmarkets.com