deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
anderen
-
Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Cuba, Jamaica, USA
Zuid-Amerika
-
Bolivia, Brazil, Colombia, Ecuador, Paraguay
deposito's in Oceanië continent
Australië
-
New South Wales, New Zealand, Western Australia