deposito's in het oosten van continenten
Azië
India
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Afrika
South Africa, Tanzania
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europa
Germany, Greece, Italy, Scotland, Turkey
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
anderen
Antarctica, Groenland
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Mexico, USA
Zuid-Amerika
Argentina, Brazil, Colombia, Venezuela
Brazil, Chile, Colombia, Venezuela
deposito's in Oceanië continent
Australië
Central Australia, New Zealand, Queensland, Western Australia
New South Wales, Queensland, Victoria