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