deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
-
Afrika
Egypt, Ethiopia, Ghana, South Africa
South Africa
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
England, Finland, United Kingdom
anderen
Groenland
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Colombia, Uruguay
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New Zealand, Western Australia