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