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, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
-
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
France, Greece, Romania, Scotland, Spain
deposito's in het westen van continenten
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, South Australia, Western Australia