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
Europa
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
deposito's in het westen van continenten
Noord Amerika
-
Canada, USA
deposito's in Oceanië continent