deposito's in het oosten van continenten
Azië
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Afrika
Namibia, Nigeria, South Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
anderen
Groenland
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Barbados, Canada, Mexico, Panama, USA
Canada, Mexico, USA
Zuid-Amerika
Brazil
Brazil, Chile, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand
New South Wales, Queensland, Victoria