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