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