deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
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Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
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Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Bulgaria, England, Germany, Norway, Romania, Switzerland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
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Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
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New South Wales, New Zealand, Queensland, South Australia, Western Australia