deposito's in het oosten van continenten
Azië
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
-
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Uganda
Europa
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Germany, Hungary, Italy, Spain
anderen
Groenland
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
Brazil, Chile, Colombia, Uruguay, Venezuela
Bolivia, Brazil
deposito's in Oceanië continent
Australië
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia