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