deposito's in het oosten van continenten
Azië
China, India, Indonesia, Russia, Singapore, South Korea
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
Albania, France, Germany, Great Britain, United Kingdom
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
anderen
Nog niet gevonden
Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Cuba, Jamaica, USA
Zuid-Amerika
Brazil, Colombia, Ecuador
Bolivia, Brazil, Colombia, Ecuador, Paraguay
deposito's in Oceanië continent
Australië
New South Wales, South Australia, Western Australia
New South Wales, New Zealand, Western Australia