deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa, Tanzania
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
Germany, Greece, Italy, Scotland, Turkey
anderen
-
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Brazil, Chile
Argentina, Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New Zealand, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia