deposito's in het oosten van continenten
Azië
-
India
Afrika
-
South Africa, Tanzania
Europa
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Germany, Greece, Italy, Scotland, Turkey
anderen
-
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
Canada
Canada, USA
Zuid-Amerika
Bolivia, Colombia
Argentina, Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
Central Australia, South Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia