deposito's in het oosten van continenten
Azië
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
Not Available
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, Switzerland, Ukraine, United Kingdom
England, Finland, United Kingdom
anderen
Nog niet gevonden
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Cuba, Mexico, Panama, USA
USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Colombia, Uruguay
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria
New Zealand, Western Australia