deposito's in het oosten van continenten
  
  
Azië
Not Yet Found
  
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
  
Afrika
Uganda
  
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
  
Europa
Germany, Hungary, Italy, Spain
  
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom
  
anderen
Groenland, Mid-Atlantische Rug
  
Nog niet gevonden
  
deposito's in het westen van continenten
  
  
Noord Amerika
USA
  
Canada, Costa Rica, Cuba, Mexico, Panama, USA
  
Zuid-Amerika
Bolivia, Brazil
  
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
  
deposito's in Oceanië continent
  
  
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
  
New South Wales, New Zealand, Queensland, Victoria