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