deposito's in het oosten van continenten
Azië
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Europa
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Bulgaria, England, Germany, Norway, Romania, Switzerland
anderen
Groenland
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
Brazil, Chile, Colombia, Uruguay, Venezuela
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia