deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
-
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Finland, Norway, Portugal
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada
deposito's in Oceanië continent