deposito's in het oosten van continenten
Azië
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
India
Afrika
Namibia, Nigeria, South Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Albania, Romania, Scotland, United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
Brazil
Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand
Central Australia, Western Australia