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