deposito's in het oosten van continenten
  
  
Azië
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
  
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
  
Afrika
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
  
Ethiopia, Morocco, South Africa
  
Europa
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Switzerland, Ukraine, United Kingdom
  
France, Germany, Italy, Norway, Scotland
  
anderen
Nog niet gevonden
  
Groenland
  
deposito's in het westen van continenten
  
  
Noord Amerika
Canada, Costa Rica, Cuba, Mexico, Panama, USA
  
Canada, Costa Rica, Panama, USA
  
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
  
Argentina, Brazil, Colombia, Ecuador
  
deposito's in Oceanië continent
  
  
Australië
New South Wales, New Zealand, Queensland, Victoria
  
Central Australia, New Zealand, Queensland