deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
India
Afrika
Egypt, Ethiopia, Ghana, South Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Albania, Romania, Scotland, United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
Central Australia, Western Australia