deposito's in het oosten van continenten
Azië
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
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
Ethiopia, Morocco, South Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
Europa
France, Germany, Italy, Norway, Scotland
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
anderen
Groenland
Antarctica, Hawaï-eilanden
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Panama, USA
Canada, Costa Rica, Panama, USA
Zuid-Amerika
Argentina, Brazil, Colombia, Ecuador
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
deposito's in Oceanië continent
Australië
Central Australia, New Zealand, Queensland
Central Australia, Western Australia