deposito's in het oosten van continenten
Azië
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
-
Afrika
Namibia, Nigeria, South Africa
Namibia, Uganda
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Hungary, Italy, Portugal, Spain
deposito's in het westen van continenten
Noord Amerika
Barbados, Canada, Mexico, Panama, USA
USA
deposito's in Oceanië continent
Australië
New South Wales, New Zealand
New Zealand, Western Australia