deposito's in het oosten van continenten
Azië
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
India, Russia
Afrika
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
South Africa
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
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
Canada, USA
Zuid-Amerika
Brazil, Chile, Colombia, Venezuela
Bolivia, Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, Queensland, Victoria
New Zealand, Queensland