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