Depozite în Continente de Est
  
  
Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
  
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
Africa
Namibia, Nigeria, South Africa
  
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
  
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
  
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Alții
Groenlanda
  
antarctica, insulele hawaii
  
Depozite în Continente de Vest
  
  
America de Nord
Barbados, Canada, Mexico, Panama, USA
  
Canada, Costa Rica, Panama, USA
  
America de Sud
Brazil
  
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
  
Depozite în Oceania Continent
  
  
Australia
New South Wales, New Zealand
  
Central Australia, Western Australia