deposito's in het oosten van continenten
Azië
-
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Afrika
-
South Africa, Western Africa
Europa
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada
Canada
Zuid-Amerika
Bolivia, Colombia
Brazil, Colombia, Paraguay
deposito's in Oceanië continent
Australië
Central Australia, South Australia, Western Australia
Central Australia, Western Australia