deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
England, Hungary, Iceland, United Kingdom
anderen
-
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Mexico, USA
Zuid-Amerika
-
Argentina, Colombia, Ecuador
deposito's in Oceanië continent
Australië
-
New South Wales, New Zealand, Queensland, South Australia, Western Australia