deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
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Afrika
Egypt, Ethiopia, Ghana, South Africa
Namibia, Uganda
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Germany, Hungary, Italy, Portugal, Spain
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
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deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New Zealand, Western Australia