deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Russia
-
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
-
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada, Panama, USA
-
Zuid-Amerika
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
-
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
-