deposito's in het oosten van continenten
Azië
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
India, Russia
Afrika
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
South Africa
Europa
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, 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, Costa Rica, Cuba, Mexico, Panama, USA
Canada, USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Bolivia, Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria
New Zealand, Queensland