deposito's in het oosten van continenten
Azië
Russia
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
-
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Europa
Ukraine
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
anderen
-
Antarctica, Hawaï-eilanden
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Costa Rica, Panama, USA
Zuid-Amerika
Brazil
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
deposito's in Oceanië continent
Australië
Western Australia
Central Australia, Western Australia