deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Not Yet Found
Afrika
Egypt, Ethiopia, Ghana, South Africa
Uganda
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Germany, Hungary, Italy, Spain
anderen
Groenland
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Bolivia, Brazil
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia