deposito's in het oosten van continenten
  
  
Azië
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
Afghanistan, Indonesia, Japan, Russia
  
Afrika
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
  
Ethiopia, Kenya, Tanzania
  
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Greece, Hungary, Iceland, Italy, Turkey
  
anderen
Antarctica, Hawaï-eilanden
  
Nog niet gevonden
  
deposito's in het westen van continenten
  
  
Noord Amerika
Canada, Costa Rica, Panama, USA
  
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
  
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
  
Argentina, Chile, Ecuador, Peru
  
deposito's in Oceanië continent
  
  
Australië
Central Australia, Western Australia
  
New Zealand, Western Australia