deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Japan, Turkey
Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, South Africa
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
France, Greece, Iceland
deposito's in het westen van continenten
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
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deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand